Publications and Preprints - Mark Wardle

From Never Eat Anything Bigger Than Your Head & Other Drawings by B. Kliban. Published 1976 by Workshop Publishing Company Inc., New York. ISBN 0-911194-67-4.

Papers are linked to their entries in the NASA Astrophysics Data System abstract service. In turn that provides links to preprints on the Cornell arXiv e-print server, and to the published paper, if available. You are always welcome to ask me nicely for a copy.

Papers listed on:  ADS    arXiv      (Back to Mark's home page)


Submitted

Multiwavelength observations of Sgr A*. II. 2019 July 21 and 26.
Michail, J.M., Yusef-Zadeh, F., Wardle, M., Kunneriath, D., Hora, J.L., Bushouse, H., Fazio, G.F., Markoff, S., and Smith, H.A. ApJ.


Published

2024

G359.13142-0.20005: A steep spectrum radio pulsar candidate with an X-ray counterpart running into the Galactic Center Snake (G359.1-0.2).
Yusef-Zadeh, F., Zhao, J-H., Arendt, R., Wardle, M., Heinke, O., Lang, C., and Michail, J. MNRAS 530:254-263.

The interaction of a large-scale nuclear wind with the high velocity HII region G0.17+0.15.
Yusef-Zadeh, F., Zhao, J-H., Arendt, R., Wardle, M., Royster, M., Rudnick, L., and Michail, J. MNRAS 530:235-253.

Detection of large-scale synchrotron radiation from the molecular envelope of the Sgr B cloud complex at the Galactic centre.
Yusef-Zadeh, F., Wardle, M., Arendt, R., Hewitt, J., Hu, Y., Lazarian, A., Kassim, N. E., Hyman, S., and Heywood, I. MNRAS 527:1275-1282.


2023

The population of the Galactic center filaments: position angle distribution reveals a degree-scale collimated outflow from Sgr A* along the Galactic plane.
Yusef-Zadeh, F., Arendt, R. G., Wardle, M., and Heywood, I. ApJL 949:L31 (14pp).

Correction to: The non-ideal finite Larmor radius effect in the solar atmosphere.
Pandey, B.P., and Wardle, M. MNRAS 522:2754-2755.

GNOMES II: Analysis of the Galactic diffuse molecular ISM in all four ground state hydroxyl transitions using amoeba.
Hafner, A., Dawson, J. R., Nguyen, H., Heiles, C., Wardle, M., Lee, M.-Y., Murray, C. E., Thompson, K. L., and Stanimirović, S. PASA 40:e015 (36pp).

Polarized signatures of adiabatically expanding hotspots in Sgr A*'s accretion flow.
Michail, J. M., Yusef-Zadeh, F., Wardle, M., and Kunneriath, D. MNRAS 520:2644-2654.


2022

Populations of magnetized filaments in the intracluster medium and the Galactic Center.
Yusef-Zadeh, F., Arendt, R.G., and Wardle, M. ApJL 939:L21 (10pp).

Statistical properties of the population of the Galactic Center filaments III: Candidate radio and stellar sources.
Yusef-Zadeh, F., Arendt, R., Wardle, M., Heywood, I., and Cotton, W. MNRAS 517:294-355.

The structure of jets launched from post-AGB binary systems.
Bollen, D., Kamath, D., Van Winckel, H., De Marco, O., Verhamme, O., Kluska, J., and Wardle, M. A&A 666, A40.

Statistical properties of the population of the Galactic Center filaments II: The spacing between filaments.
Yusef-Zadeh, F., Arendt, R., Wardle, M., Heywood, I., Cotton, W., and Camilo, F. MNRAS 515:3059-3093.

The non-ideal finite Larmor radius effect in the solar atmosphere.
Pandey, B.P., and Wardle, M. MNRAS 513:1842-1857.   Published pdf.

Statistical properties of the population of the Galactic Center filaments: the spectral index and equipartition magnetic field.
Yusef-Zadeh, F., Arendt, R., Wardle, M., Heywood, I., Cotton, W., and Camilo, F. 2022. ApJL 925:L18 (11pp).


2021

Amoeba: Automated Molecular Excitation Bayesian Line-Fitting Algorithm.
Hafner, A., Dawson, J. R., Wardle, M. 2021. ApJ 923:261 (24pp).

Multi-wavelength Observations of Sgr A*. I. 2019 July 18.
Michail, J. M., Wardle, M., Yusef-Zadeh, F., Kunneriath, D. 2021. ApJ 923:54 (7pp).

Cosmic-ray particles in the Galactic Center: blowing in the wind.
Yusef-Zadeh, F., Wardle, M., Heywood, I., Cotton, W., and Royster, M., 2021. Proc GCWS2019, New Horizons in Galactic Center Astrophysics and Beyond, eds M. Tsuboi and T. Oka (ASP), pp 207-210.

Detection of a 20-min time lag observed from Sgr A* between 8 and 10 GHz with the VLA.
Michail, J. M., Yusef-Zadeh, F., Wardle, M. MNRAS 505:3616-3623.

Revealing the physical conditions around Sgr A* using bayesian inference. I. Observations and radiative transfer.
James, T. A., Viti, S., Yusef-Zadeh, F., Royster, M. and Wardle, M. 2021 ApJ 916:69 (21pp).

Jet parameters for a diverse sample of jet-launching post-AGB binaries.
Bollen, D., Kamath, D., Van Winckel, H., De Marco, O., and Wardle M. 2021. MNRAS 502:445-462.

G0.173-0.42: An X-ray and radio magnetized filament near the galactic center.
Yusef-Zadeh, F., Wardle, M., Heinke, C., Heywood, I., Arendt, R., Royster, M., Cotton, W., Camilo, F., and Michail, J. 2021. MNRAS 500: 3142-3150.


2020

Evidence for a jet and outflow from Sgr A*: a continuum and spectral line study.
Yusef-Zadeh, F., Royster, M., Wardle, M., Cotton, W., Kunneriath, D., Heywood, I., and Michail, J. 2020. MNRAS 499: 3909-3931.

Determining mass accretion and jet mass-loss rates in post-asymptotic giant branch binary systems.
Bollen, D., Kamath, D., De Marco, O., Van Winckel, H., and Wardle M. 2020. A&A 641: A175 (16 pp).

The hydroxyl satellite-line 'flip' as a tracer of expanding HII regions.
Hafner, A., Dawson, J. R., and Wardle, M. 2020. MNRAS 497: 4066-4076.


2019

Cosmic-ray driven outflow from the galactic center and the origin of magnetized radio filaments.
Yusef-Zadeh, F., and Wardle, M., 2019. MNRAS 490:L1-L5.

Cosmic snow clouds: self-gravitating gas spheres manifesting hydrogen condensation.
Walker, M., and Wardle, M., 2019. ApJ 476:69 (22pp).

ALMA detection of extreme blueshifted ionized gas within 0.2 pc of Sgr A* from -480 to -300 km s-1.
Royster, M. J., Yusef-Zadeh, F., Wardle, M., Kunneriath, D., Cotton, W., and Roberts, D. A., 2019. ApJ 872:2 (12pp).


2018

Two-fluid dusty shocks: simple benchmarking problems and applications to protoplanetary discs.
Lehmann, A., and Wardle, M., 2018. MNRAS 476:3185-3194.


2017

ALMA detection of bipolar outflows: evidence for low mass star formation within 1pc of Sgr A*.
Yusef-Zadeh, F., Wardle, M., Kunneriath, D., Royster, M. J., Wootten, A., and Roberts, D. A., 2017. ApJL 850:L30 (8pp).

ALMA and VLA observations of emission from the environment of Sgr A*.
Yusef-Zadeh, F., Schödel, R., Wardle, M., Bushouse, H., Cotton, W., Royster, M. J., Kunneriath, D., Roberts, D. A., and Gallego-Cano, E., 2017. MNRAS 470:4209-4221.

ALMA and VLA observations: evidence for ongoing low-mass star formation near Sgr A*?
Yusef-Zadeh, F., Cotton, B., Wardle, M., Royster, M. J., Kunneriath, D., Roberts, D. A., Wootten, A., and Schödel, R., 2017. MNRAS 467:922-927.

Star formation close to Sgr A* and beyond the Nuclear Cluster.
Yusef-Zadeh, F., and Wardle, M., 2017. Proc IAU 324, New Frontiers in Black Hole Astrophysics, eds A. Gomboc, and C. Mundell (CUP), pp 111-114.

Tidal distortion of the envelope of an AGB star IRS 3 near Sgr A*.
Yusef-Zadeh, F., Wardle, M., Cotton, W., Schödel, R., Royster, M. J., Roberts, D. A., and Kunneriath, D. 2017. ApJ 837:93 (7pp)


2016

SHOCKFIND - An algorithm to identify magnetohydrodynamic shock waves in turbulent clouds.
Lehmann, A., Federrath, C., and Wardle, M., 2016. MNRAS 463:1026-1039.

An OH(1720 MHz) maser and a nonthermal radio source in Sgr B2(M): A SNR-molecular cloud interaction site?
Yusef-Zadeh, F., Cotton, W., Wardle, M., and Intema, H., 2016. ApJ 819:L35 (6pp).

Sgr A* and its environment: low mass star formation, the origin of X-ray gas and collimated outflow.
Yusef-Zadeh, F., Wardle, M., Schödel, R., Roberts, D. A., Cotton, W., Bushouse, H., Arendt, R., and Royster, M., 2016. ApJ 819:60 (25pp).

Signatures of fast and slow magnetohydrodynamic shocks in turbulent molecular clouds.
Lehmann, A., and Wardle, M., 2016. MNRAS 455:2066-2077.


2015

Radio continuum emission from the magnetar SGR J1745-2900: Interaction with gas orbiting Sgr A*.
Yusef-Zadeh, F., Diesing, R., Wardle, M., Sjouwerman, L. O., Royster, M., Cotton, W. D., Roberts, D., and Heinke, C., 2015. ApJ 811:L35 (7pp).

Compact radio sources within 30' of Sgr A*: proper motions, stellar winds and the accretion rate onto Sgr A*.
Yusef-Zadeh, F., Bushouse, H., Schödel, R., Wardle, M., Cotton, W., Roberts, D. A., Nogueras-Lara, F., and Gallego-Cano, E., 2015. ApJ 809:10 (20pp).

Signatures of young star formation activity within two parsecs of Sgr A*.
Yusef-Zadeh, F., Wardle, M., Sewilo, M., Roberts, D. A., Smith, I., Arendt, R., Cotton, W., Lacy, J., Martin, S., Pound, M. W., Rickert, M., and Royster, M., 2015. ApJ 808:97 (18pp).

Magnetic fields in gaps surrounding giant protoplanets.
Keith, S.L., and Wardle, M. 2015. MNRAS 451:1104-1116.

Radio continuum observations of the Galactic Center: photoevaporative proplyd-like objects near Sgr A*.
Yusef-Zadeh, F., Roberts, D. A., Wardle, M., Cotton, W., Schödel, R., Royster, M. J., 2015. ApJ 801:L26 (7pp).


2014

Transport and accretion in planet-forming disks.
Turner, N.J., Fromang, S., Gammie, C., Klahr, H., Lesur, G., Wardle, M., and Bai, X.-N. 2014. Protostars and Planets VI, eds. H. Beuther, R. S. Klessen, C. P. Dullemond and Th. Henning (University of Arizona Press, Tucson), pp 411-432.

The discovery of radio stars within 10 arcseconds of Sgr A* at 7mm.
Yusef-Zadeh, F, Roberts, D. A., Bushouse, H., Wardle, M., Cotton, W., Royster, M., and van Moorsel, G. 2014. ApJ 792:L1 (6pp).

Diffusion of cosmic-ray electrons in the Galactic centre molecular cloud G0.13-0.13.
Lehmann, A., and Wardle, M. 2014. Proc IAU 303, The Galactic Center: Feeding and Feedback in a Normal Galactic Nucleus, eds L.O. Sjouwerman, C.C. Lang, and J. Ott (CUP), pp 434-438.

On the origin of the central 1 arcsecond hole in the stellar disk of Sgr A* and the Fermi gamma-ray bubbles.
Wardle, M, and Yusef-Zadeh, F. 2014. ApJ 787:L14 (5pp).

Accretion in giant planet circumplanetary disks.
Keith, S.L., and Wardle, M. 2014. MNRAS 440:89-105.

Constraints on common envelope magnetic fields from observations of jets in planetary nebulae.
Tocknell, J., De Marco, O., and Wardle, M. 2014. MNRAS 439:2014-2024.

An analysis of HCN observations of the Circumnuclear Disc at the Galactic Centre.
Smith, I.L., and Wardle, M. 2014. MNRAS 437:3159-3171.


2013

74 MHz nonthermal emission from molecular clouds: evidence for a cosmic ray dominated region at the Galactic Center.
Yusef-Zadeh, F., Wardle, M., Lis, D., Viti, S., Brogan C., Chambers, E., Pound,M., and Rickert, M. 2013. J Phys Chem A 117:9404-9419.

Signatures of an encounter between the G2 cloud and a jet from Sgr A*.
Yusef-Zadeh, F., and Wardle, M. 2013. ApJ 770:L21 (5pp).

Magnetic diffusion driven shear instability of solar flux tubes.
Pandey, B.P., and Wardle, M. 2013. MNRAS 431:570-581.

ALMA observations of the Galactic Center: SiO outflows and high mass star formation near Sgr A*.
Yusef-Zadeh, F., Royster, M., Wardle, M., Arendt, R., Bushouse, H.A., Lis, D., Pound, M.W., Roberts, D., Whitney, B., and Wootten. A. 2013. ApJ 767:L32 (7pp)

Widespread methanol emission from the Galactic Center: the role of cosmic rays.
Yusef-Zadeh, F., Cotton, W., Viti, S., Wardle, M., and Royster, M. 2013. ApJ 764:L19 (7pp)

Interacting cosmic rays with molecular clouds: a bremsstrahlung origin of diffuse high energy emission from the inner 2x1 degrees of the Galactic Center.
Yusef-Zadeh, F., Hewitt, J.W., Wardle, M., Tatischeff, V., Roberts, D.A., Cotton, W., Uchiyama, H., Nobukawa, M., Tsuru, T.G., Heinke, C., and Royster, M. 2013. ApJ 762:33 (22pp)


2012

The Hall effect in accretion flows.
Braiding, C.R., and Wardle, M. 2012. MNRAS 427:3188-3195.

Hall instability of solar flux tubes in the presence of shear flows.
Pandey, B.P., and Wardle, M. 2012. MNRAS 426:1436-1443.

A three parsec-scale jet-driven outflow from Sgr A*.
Yusef-Zadeh, F., Arendt, R., Bushouse, H., Cotton, W., Haggard, D., Pound, M.W., Roberts, D.A., Royster, M. and Wardle, M. 2012. ApJ 758:L11 (8pp)

The origin of parsec-scale gaseous and stellar disks in the Galactic Center and AGNs.
Yusef-Zadeh, F., and Wardle, M. 2012. Proc Astronomy at High Angular Resolution 2011: The central kiloparsec in galactic nuclei. J Phys Conf Ser, 372, 012024 (6pp)

OH masers and supernova remnants.
Wardle, M., and McDonnell, K. 2012. Proc IAU 287, Cosmic Masers - from OH to H0 , eds R.S. Booth, E.M.L. Humphries and W.H.T. Vlemmings (CUP), pp 441-448.

The origin of Keplerian megamaser disks.
Wardle, M, and Yusef-Zadeh, F., 2012. Proc IAU 287, Cosmic Masers - from OH to H0 , eds R.S. Booth, E.M.L. Humphries and W.H.T. Vlemmings (CUP), pp 354-355.

Magnetorotational instability in magnetic diffusion dominated accretion discs.
Pandey, B.P, and Wardle, M. 2012. MNRAS 423:222-235.

An inverse Compton origin of X-ray flares from Sgr A*.
Yusef-Zadeh, F., Wardle, M., Dodds-Eden, K., Heinke, C. O., Gillessen, S., Genzel, R., Bushouse, H., Grosso, N., and Porquet, D. 2012. AJ 144:1 (10pp)

Hall diffusion and the magnetorotational instability in protoplanetary discs.
Wardle, M., and Salmeron, R. 2012. MNRAS 422:2737-2755

A scaling relation between megamaser disk radius and black hole mass in active galactic nuclei.
Wardle, M, and Yusef-Zadeh, F. 2012. ApJ 750:L38 (5pp)

The Hall effect in star formation.
Braiding, C.R., and Wardle, M. 2012. MNRAS 422:261-281.

HST observations of the stellar distribution near Sgr A*.
Yusef-Zadeh, F., Bushouse, H., and Wardle, M. 2012. ApJ 744:24 (9pp)


2011

X-ray echoes of infrared flaring in Sgr A*.
Wardle, M. 2011.
The Galactic Center: A Window to the Nuclear Environment of Disk Galaxies, eds. M. Morris, D. Q. Wang and F. Yuan (ASP), pp 450-455.

Multi-wavelength study of Sgr A*: the short time scale variability.
Yusef-Zadeh, F., Miller-Jones, J., Roberts, D., Wardle, M., Reid, M., Dodds-Eden, K., Porquet, D., and Grosso, N. 2011.
The Galactic Center: A Window to the Nuclear Environment of Disk Galaxies, eds. M. Morris, D. Q. Wang and F. Yuan (ASP), pp 285-293.

Towards a new prescription for the tidal capture of planets, brown dwarfs and stellar companions.
Madappatt, N., De Marco, O., Nordhaus, J., and Wardle, M. 2011. Planetary Systems beyond the Main Sequence, eds. S. Schuh, H. Drechsel and U. Heber (AIP), pp 319-323.

Wind-driving protostellar accretion discs. II. Numerical method and illustrative solutions.
Salmeron, R., Königl, M., and Wardle, M. 2011. MNRAS 412:1162-1180.

Rapid intrinsic variability of Sgr A* at radio wavelengths.
Yusef-Zadeh, F., Wardle, M., Miller-Jones, J.C.A., Roberts, D.A., Grosso, N., and Porquet, D., 2011. ApJ 729:44 (13pp).


2010

Massive star formation and the Sgr A East HII regions near the Galactic Center.
Yusef-Zadeh, F., Lacy, J. H., Wardle, M., Whitney, B, Bushouse, H., Roberts, D. A., and Arendt, R. G. 2010. ApJ 725:1429-1439.

Occultation of the quiescent emission from Sgr A* by IR flares.
Yusef-Zadeh, F., Wardle, M., Bushouse, H., Dowell, C. D., and Roberts, D. A. 2010. ApJ 724:L9-L15.

Multiwavelength observations of the supernova remnant G349.7+02 interacting with a molecular cloud.
Lazendic, J. S., Wardle, M., Whiteoak, J. B., Burton, M. G., and Green, A. J. 2010. MNRAS 409:371-388.

The underluminous nature of Sgr A*.
Yusef-Zadeh, F. and Wardle, M. 2010.
X-ray Astronomy 2009: Present Status, Multi-Wavelength Approach and Future Perspectives, eds. A. Comastri, L. Angelini, and M. Cappi (AIP), pp 233-236.

Wind-driving protostellar accretion discs. I. Formulation and parameter constraints.
Königl, A., Salmeron, R. and Wardle, M. 2010. MNRAS 401:479-499.


2009

Correlation of gamma-ray sources and supernova remnant masers.
Hewitt, J. W., Yusef-Zadeh, F., and Wardle, M., 2009. ApJ 706:L270-L274

Simultaneous multi-wavelength observations of Sgr A* during 2007 April 1-11.
Yusef-Zadeh, F., Bushouse, H., Wardle, M., Heinke, C., Roberts, D., Dowell, C.D., Brunthaler, A., Reid, M.J., Martin, C., Marrone, D.P., Porquet, D., Grosso, N., Dodds-Eden, K., Bower, G.C., Wiesemeyer, H., Miyazaki, A., Pal, S., Gillessen, S., Goldwurm, A., Trap, G., and Maness, H. 2009. ApJ 706:348-375

Star formation in the central 400 pc of the Milky Way: evidence for a population of massive YSOs.
Yusef-Zadeh F., Hewitt, J.W., Arendt, R.G., Whitney, B., Rieke, G., Wardle, M., Hinz, J.L., Stolovy, S., Lang, C.C., Burton, M.G., and Ramirez, S. 2009. ApJ 702:178-225.

Cyanopolyynes and sulphur bearing species in hot cores: modelling G305.2+0.2.
Chapman, J. F., Millar, T. J., Wardle, M., Burton, M. G., and Walsh, A. J. 2009. MNRAS 394:221-230.


2008

A search for OH 6 GHz maser emission towards supernova remnants.
McDonnell, K.E., Wardle, M., and Vaughan, A.E. 2008. MNRAS 390:49-58.

Massive star formation in the molecular ring orbiting the black hole at the galactic center.
Yusef-Zadeh, F., Braatz, J., Wardle, M., and Roberts, D. 2008. ApJ 683:L147-L150.

A survey of hydroxyl toward supernova remnants: evidence for extended 1720 MHz maser emission.
Hewitt, J. W., Yusef-Zadeh, F., and Wardle, M. 2008. ApJ 683:189-206.

On the formation of compact stellar disks around Sagittarius A*.
Wardle, M., and Yusef-Zadeh, F. 2008. ApJ 683:L37-L40.

Magnetorotational instability in protoplanetary discs: the effect of dust grains.
Salmeron, R., and Wardle, M. 2008. MNRAS 388:1223-1238.

Simultaneous Chandra, CSO and VLA observations of Sgr A*: the nature of flaring activity.
Yusef-Zadeh, F., Wardle, M., Heinke, C., Dowell, C. D., Roberts, D., Baganoff, F., and Bower, G. 2008. ApJ 682:361-372.

Massive star formation near Sgr A* and bimodal star formation in the nuclear disk.
Yusef-Zadeh, F., and Wardle, M. 2008. Massive Star Formation: Observations confront Theory, eds. H. Beuther, H. Linz, and T. Henning, (San Francisco: ASP), pp 361-368.

Hall magnetohydrodynamics of partially ionized plasmas.
Pandey, B. P., and Wardle, M. 2008. MNRAS 385:2269-2278.

Extended OH(1720 MHz) maser emission from supernova remnants.
Hewitt, J. W., Yusef-Zadeh, F., Wardle, M., and Roberts, D. A. 2008. IAU 242, Astrophysical Masers and Their Environments, eds. J. Chapman and W. Baan (CUP), pp 307-311.

Masers as probes of massive star formation in the nuclear disk.
Yusef-Zadeh, F., Arendt, R. G., Heinke, C. O., Hinz, J. L., Hewitt, J. W., Pratap, P., Ramirez, S. V., Rieke, G. H., Roberts, D. A., Stolovy, S. R., Wardle, M. and Whitney, B. A. 2008. IAU 242, Astrophysical Masers and Their Environments, eds. J. Chapman and W. Baan (CUP), pp 366-373.

A search for OH 6 GHz maser emission towards southern supernova remnants.
McDonnell, K.E., Vaughan, A.E., and Wardle, M. 2008. IAU 242, Astrophysical Masers and Their Environments, eds. J. Chapman and W. Baan (CUP), pp 232-233.

Collisional excitation of OH(6049 MHz) masers in supernova remnant - molecular cloud interactions.
Wardle, M. 2008. IAU 242, Astrophysical Masers and Their Environments, eds. J. Chapman and W. Baan (CUP), pp 336-337.


2007

Radial and vertical angular momentum transport in protostellar disks.
Salmeron, R., Königl, A., and Wardle, M. 2007. Ap Sp Sci 311:81-85.

Magnetic fields in protoplanetary disks.
Wardle, M. 2007. Ap Sp Sci 311:35-45.

The variability of polarized radiation from Sgr A*.
Yusef-Zadeh, F., Wardle, M., Cotton, W. D., Heinke, C. O., and Roberts, D. A. 2007. ApJ 668:L47-L50.

ATCA 1.2cm observations of the massive star forming region G305.2+0.2.
Walsh, A. J., Burton, M. G., Chapman, J. F., Wardle, M., and Millar, T. J. 2007. MNRAS 380: 1703-1714.

Cosmic-ray heating of molecular gas in the nuclear disk: low star formation efficiency.
Yusef-Zadeh, F., Wardle, M., and Roy, S. 2007. ApJ 665: L123-L126.

The origin of diffuse x-ray and gamma ray emission from the Galactic Center region: cosmic ray particles.
Yusef-Zadeh, F., Muno, M., Wardle, M., and Lis, D. C. 2007. ApJ 656: 847-869.

Angular momentum transport in protostellar discs.
Salmeron, R., Königl, A., and Wardle, M. 2007. MNRAS 375: 177-183.


2006

Flaring activity of Sgr A*: expanding hot blobs.
Yusef-Zadeh, F., Wardle, M., Roberts, D. A., Heinke, C. O., Dowell, C. D., Cotton, W. D., Bower, G. C., and Baganoff, F. K. 2006. IV Microquasar Workshop: Microquasars and Beyond, September 18-22 2006, Como, Italy. Proceedings of Science (MQW6)051: 1-10.

GBT observations of IC 443: the nature of OH(1720 MHz) masers and OH absorption.
Hewitt, J. W., Yusef-Zadeh, F., Wardle, M., Roberts, D. A. and Kassim, N. E. 2006. ApJ 652: 1288-1296.

Flaring activity of Sgr A* at 43 and 22 GHz: evidence for expanding hot plasma.
Yusef-Zadeh, F., Roberts, D. A., Wardle, M., Heinke, C. O., and Bower, G. C. 2006. ApJ 650: 189-194.

Hall magnetohydrodynamics of weakly-ionized plasma.
Pandey, B. P. and Wardle, M. 2006. preprint (rejected by PRL, the plonkers).

Ion dynamics and the magnetorotational instability in weakly-ionized discs.
Pandey, B. P. and Wardle, M. 2006. MNRAS 371: 1014-1024.

Dust grain dynamics in C-type shock waves in molecular clouds.
Chapman, J. F. and Wardle, M. 2006. MNRAS 371: 513-529.

A multi-wavelength study of Sgr A*: the role of near-IR flares in the production of X-ray, soft gamma-ray and sub-millimeter emission.
Yusef-Zadeh, F., Bushouse, H., Dowell, C. D., Wardle, M., Roberts, D., Heinke, C., Bower, G. C., Vila Vilaro, B., Shapiro, S., Goldwurm, A., and Belanger, G. 2006. ApJ 644: 198-213.


2005

Magnetorotational instability in protoplanetary discs.
Salmeron, R. and Wardle, M. 2005. MNRAS 361: 45-69.

The nature of nonthermal X-ray filaments near the Galactic Center.
Yusef-Zadeh, F., Wardle, M., Muno, M., Law, C., and Pound, M. 2005. Adv Sp Res 35: 1074-1084.

Proper motion of the Irradiated Jet HH 399 in the Trifid Nebula.
Yusef-Zadeh, F., Biretta, J., and Wardle, M. 2005. ApJ 624: 246-253.


2004

Multiwavelength observations of the supernova remnant G349.7+02 interacting with a molecular cloud.
Lazendic, J. S., Wardle, M., Whiteoak, J. B., Burton, M. G., and Green, A. J. 2004. preprint.

Early disk evolution.
Wardle, M. 2004. IAU Symp 221, Star Formation at High Angular Resolution, eds. M. G. Burton, R. Jayawardhana & T. L. Bourke (San Francisco:ASP), pp 391-401.

Magnetorotational instability in weakly ionised, stratified accretion discs.
Salmeron, R. and Wardle, M. 2004. Ap Sp Sci 291: 451-456.

Star formation and the Hall effect.
Wardle, M. 2004. Ap Sp Sci 291: 317-323.

Shocked molecular hydrogen towards the Tornado nebula.
Lazendic, J. S., Wardle, M., Burton, M. G., Yusef-Zadeh, F., Green, A. J., and Whiteoak, J. B. 2004. MNRAS 354: 393-400.

The Eye of the Tornado - an isolated, high mass young stellar object near the Galactic Centre.
Burton,M. G., Lazendic, J. S., Yusef-Zadeh, F. and Wardle, M. 2004. MNRAS 348: 638-646.


2003

Molecular line observations of the Tornado Nebula and its Eye.
Lazendic, J., Burton, M., Yusef-Zadeh, F., Wardle, M., Green, A. and Whiteoak, J. 2003. Astron Nach 324 S1: 157-160.

Magnetorotational instability in weakly ionised, stratified accretion discs.
Salmeron, R. and Wardle, M. 2003. MNRAS 345:992-1008.

Nonthermal emission from the Arches Cluster (G0.121+0.017) and the origin of gamma-ray emission from 3EG J1746-2851.
Yusef-Zadeh, F., Nord, M., Wardle, M., Law, C., Lang, C., and Lazio, T. J. W. 2003. ApJ 590:L103-L106.

OH (1720 MHz) masers and mixed-morphology supernova remnants.
Yusef-Zadeh, F., Wardle, M., Rho, J., and Sakano, M. 2003. ApJ 585:319-323.

Thermal OH (1667/65 MHz) absorption and nonthermal OH (1720 MHz) emission towards the W28 supernova remnant.
Yusef-Zadeh, F., Wardle, M., and Roberts, D. A. 2003. ApJ 583:267-271.


2002

Supernova OH (1720 MHz) masers in Sgr A East, W28 and G359.1-0.5.
Yusef-Zadeh, F., Roberts, D. A., Bower, G., Wardle, M., and Goss, W. M. 2002. IAU Symp 206, Cosmic Masers: From Proto-Stars to Black Holes, eds V. Mineese and M. Reid (San Francisco:ASP), pp 212-216.

Supernova remnant OH masers: signposts of cosmic collision.
Wardle, M., and Yusef-Zadeh, F. 2002. Science 296:2350-2354.   pdf reprint

Molecular diagnostics of supernova remnant shocks.
Lazendic, J.S., Wardle, M., Green, A., Whiteoak, J.B. and Burton, M.G. 2002. Neutron Stars in Supernova Remnants, eds P.O. Slane and B.M. Gaensler (San Francisco:ASP), p.399-402.

Detection of X-ray emission from the Arches Cluster near the Galactic Center.
Yusef-Zadeh, F., Law, C., Wardle, M., Wang, Q. D., Fruscione, A., Lang, C. C. and Cotera, A. 2002. ApJ 570:665-670.

Shocked molecular gas towards the SNR G359.1-0.5 and the Snake.
Lazendic, J. S., Wardle, M., Burton, M. G., Yusef-Zadeh, F., Whiteoak, J. B., Green, A. J. and Ashley, M. C. B. 2002. MNRAS 331:537-544.

The origin of X-ray emission from a Galactic Center molecular cloud: low-energy cosmic-ray electrons.
Yusef-Zadeh, F., Law, C. and Wardle, M. 2002. ApJ 568:L121-L125.


2001

High spectral and spatial resolution observations of shocked molecular hydrogen at the Galactic Center.
Yusef-Zadeh, F., Stolovy, S. R., Burton, M., Wardle, and Ashley, M. C. B. 2001. ApJ 560:749-762.


2000

Radio continuum emission from the central stars of M20 and the detection of a new supernova remnant near M20.
Yusef-Zadeh, F., Shure, M., Wardle, M. and Kassim, N. 2000. ApJ 540:842-850.

Supernova remnants, pulsars and the interstellar medium - summary of a workshop held at U Sydney, March 1999.
Dwarkadas, V., Ball, L., Caswell, J., Green, A., Johnston, S., Schmidt, B., and Wardle, M. 2000. PASA 17:83-91.

The Galactic Center: An interacting system of unusual sources.
Yusef-Zadeh, F., Melia, F., and Wardle, M. 2000. Science 287: 85-91.   pdf reprint


1999

The cloudy Universe.
Walker, M and Wardle, M. 1999. PASA 16: 262-272.   pdf reprint

Thermal stability of cold clouds in galaxy halos.
Wardle, M. and Walker, M. 1999. ApJ 527:L109-L112.

Enhanced OH in C-type shock waves in molecular clouds.
Wardle, M. 1999. ApJ 525:L101-L104.

The interaction of two prominent Galactic Center sources: Sgr A East and the molecular ring.
Yusef-Zadeh, F., Stolovy, S., Burton, M.,Wardle, M., Melia, F., Lazio, J., Kassim, N. and Roberts, D. A. 1999. The Central Parsecs of the Galaxy, eds. H. Falcke, A. Cotera, W. Duschl, F. Melia and M. Rieke, (Astronomical Society of the Pacific: San Francisco), pp 197-213.

OH(1720 MHz) masers at the Galactic Centre.
Wardle, M., Yusef-Zadeh, F., and Geballe, T. R. 1999. The Central Parsecs of the Galaxy, eds. H. Falcke, A. Cotera, W. Duschl, F. Melia and M. Rieke (Astronomical Society of the Pacific: San Francisco), pp 432-440.

The Balbus-Hawley instability in weakly ionised discs.
Wardle, M. 1999. MNRAS 307:849-856.

High velocity gas from the Galactic dark halo.
Walker, M., and Wardle, M. 1999. The Stromlo Workshop on High Velocity Clouds, ed. B.K. Gibson and M.E. Putnam, (Astronomical Society of the Pacific: San Francisco), pp 269-275.

The conductivity of dense molecular gas.
Wardle, M., and Ng, C. 1999. MNRAS 303:239-246.


1998

A model for OH 1720 MHz masers associated with supernova remnants, and an application to Sgr A East.
Wardle, M., Yusef-Zadeh, F., and Geballe, T. R. 1998. preprint.

Dust grains and the structure of C-type magnetohydrodynamic shock waves in molecular clouds.
Wardle, M. 1998. MNRAS 298:507-524

Extreme scattering events and Galactic dark matter.
Walker, M., and Wardle, M. 1998. ApJ 498: L125-L128


1997

Anomalous motion of ionized gas in the Sickle (G0.18-0.04) near the Galactic Center.
Yusef-Zadeh, F., Roberts, D. A., and Wardle, M. 1997. ApJ 490: L83-L86

Magnetically-driven winds from protostellar disks.
Wardle, M. 1997. Proc. IAU Colloq. 163, Accretion Phenomena and Related Outflows, ed. D. Wickramasinghe, L. Ferrario and G. Bicknell, (Astronomical Society of the Pacific: San Francisco), 561-565.

The nature of the Faraday screen toward the Galactic Center nonthermal filament G359.54+0.18.
Yusef-Zadeh, F., Wardle, M., and Parastaran, P. 1997. ApJ 475:L119-L122.


1996

Detection of ionized gas toward an OH/IR star: a measure of the ionizing radiation field near the Galactic Center.
Yusef-Zadeh, F., Wardle, M., and Roberts, D. 1996. ApJ 458: L21-L23.

A comment on the stability of magnetic wind-driving accretion disks.
Königl, A. and Wardle, M. 1996. MNRAS 279: L61-L64.

A measure of the ionizing radiation field near the Galactic Center.
Yusef-Zadeh, F., Roberts, D., Wardle, M. and Lee, H. 1996. Radio Emission from the Stars and the Sun, ed. A. R. Taylor and J. M. Paredes, (Astronomical Society of the Pacific: San Francisco), 65-67.

The nature of the scattering and Faraday screens towards the Galactic Center.
Yusef-Zadeh, F., Parastaran, P., Wardle, M. and Uchida, K. 1996. Proc. IAU Colloq. 169, Unsolved Problems of the Milky Way, ed. L. Blitz and P. Teuben, (Kluwer: Dordrecht), 271-277.


1995

Incorporation of ambipolar diffusion into the ZEUS magnetohydrodynamics code.
MacLow, M.-M., Norman, M. L., Königl, A., and Wardle, M. 1995. ApJ 442: 726-735.


1994

Anisotropy in the angular broadening of Sagittarius A* at the Galactic Center.
Yusef-Zadeh, F., Cotton, W., Wardle, M., Melia, F., and Roberts, D. A. 1994. ApJ 434: L63-L66.


1993

The structure of protostellar accretion disks and the origin of bipolar flows.
Wardle, M., and Königl, A. 1993. ApJ 410: 218-238.

Evidence for the interaction of the IRS 16 wind with the ionized and molecular gas at the Galactic Center.
Yusef-Zadeh, F., and Wardle, M. 1993. ApJ 405: 584-590.


1992

A coherent picture of the innermost parsec of the Galaxy.
Yusef-Zadeh, F. and Wardle, M. 1992. The Center, Bulge, and Disk of the Milky Way, ed. L. Blitz (Dordrecht: Kluwer), 1-22.

Origin of the hot gas and radio blobs at the Galactic Center.
Wardle, M., and Yusef-Zadeh, F. 1992. Nature 357: 308-310.

Gravitational lensing by a massive black hole at the Galactic Center.
Wardle, M. and Yusef-Zadeh, F. 1992. ApJ 287: L65-L68.


1991

Instability in oblique C-type shocks.
Wardle M. 1991. MNRAS 251: 119-127.

Instability in radiative C-type shock waves.
Wardle M. 1991. MNRAS 250:523-530.


1990

A model for the magnetic field in the molecular disk at the Galactic Center.
Wardle, M., and Königl, A. 1990. ApJ 362: 120-134.

The stability of magnetohydrodynamic shock waves in molecular clouds.
Wardle, M. 1990. MNRAS 236: 98-109.

A technique for detecting massive collapsed objects in the dark halo of the Galaxy.
Turner, E. L., Wardle, M., and Schneider, D. P. 1990. AJ 100: 146-155.


1987

Oblique magnetohydrodynamic shock waves in molecular clouds.
Wardle, M. and Draine, B. T. 1987. ApJ 321: 321-333.


1986

The statistical distribution of the neutral-hydrogen content of S0 galaxies.
Wardle, M. and Knapp, G. R. 1986. AJ 91: 23-48.


Theses

The stability of magnetohydrodynamic shock waves in molecular clouds.
Wardle, M. 1988. PhD Thesis, Princeton University.

Secondary antiprotons in the cosmic radiation.
Wardle, M. 1984. MSc Thesis, University of Auckland.


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Last modified: April 16, 2024
Author: Mark Wardle (mark.wardle@mq.edu.au).