MSSL Astrophysics/Galactic Group publications 1994 onwards


Publications by the Galactic Group
since 1994


In press

First XMM-Newton observations of strongly magnetic cataclysmic variables I: spectral studies of DP Leo and WW Hor
(Accepted MNRAS)
gzipped ps (111kB)

Ionisation structure in accretion shocks with a composite cooling function WU, K., CROPPER, M., RAMSAY, G
(Accepted MNRAS)
gzipped ps (281kB)

Indirect imaging of the accretion stream in eclipsing polars - III. HU Aquarii low state
HARROP-ALLIN, M. K., POTTER, S. B., CROPPER, M.,
(Accepted MNRAS)
gzipped ps (246kB)

XTE J1550-564: A superluminal ejection during the September 1998 outburst
Hannikainen, D., Campbell-Wilson, D., Hunstead, R., McIntyre, V., Lovell, J., Reynolds, J., Tzioumis, T. and WU, K.
In press, Proceedings of "The Third Microquasar Workshop: Granada Workshop on Galactic Relativistic Jet Sources
astro-ph/0011051

Radio emission from the X-ray tranisent XTE J1550-564
Hannikainen, D., WU, K., Campbell-Wilson, D., Hunstead, R., Lovell, J., McIntyre, V., Reynolds, J., SORIA, R. and Tzioumis, T.
In press, Proceedings of "The Fourth Integral Workshop: Exploring the Gamma-Ray Universe", ESA-SP Series
gzipped ps (115kB)


Publications in 2001


High-speed energy-resolved STJ photometry of the eclipsing binary UZ For
Perryman, M. A. C., CROPPER, M., RAMSAY, G., Favata, F., Peacock, A., Rando, N., Reynolds, A.
MNRAS, 324, 899
gzipped ps (245kB)

On the multi-periodicities in the X-ray dipper XB 1916-053
Homer, L., Charles, P. A., Hakala, P., Muhli, P., Shih, I-C., Smale, A. P., RAMSAY, G.,
MNRAS, 322, 827
gzipped ps (713kB)

Optical Spectroscopy of GX339-4 during the High-Soft and Low-Hard States: II: Line Ionisation and Emission Region
Wu, K., Soria, R., Hunstead, R. W., & Johnston, H. M.
MNRAS, 320, 177
gzipped ps (186kB)

XMM-Newton EPIC and RGS Observations of LMC X-3
Wu, K., Soria, R., Page, M., Sakelliou, I., Kahn, S. M., & de Vries, C. P.
A&A, 365 L267
gzipped ps (150kB)

XMM-Newton Optical Monitor Observations of LMC X-3
Soria, R., Wu., K., Page, M., & Sakelliou, I.
A&A, 365, L273
gzipped ps (67kB)

First XMM-Newton observations of a cataclysmic variable I: Timing studies of OY Car
G Ramsay, T Poole, K Mason, F Cordova, W Priedhorsky, A Breeveld, R Much, J Osborne, D Pandel, S Potter, J West, P Wheatley
A&A, 365, L288
Compressed ps (220kB)

First XMM-Newton observations of a cataclysmic variable II: the X-ray spectrum of OY Car
G Ramsay, F Cordova, J Cottam, K Mason, R Much, J Osborne, D Pandel, T Poole, P Wheatley
A&A, 365, L294
Compressed ps (100kB)

First XMM-Newton observations of an isolated neutron star: RX J0720.4-3125
Paerels, F., Mori, K., Motch, C., Haberl, F., Zavlin, V. E., Zane, S., Ramsay, G., Cropper, M., Brinkman, B.,
A&A, 365, L298
Compressed ps (134kB)

Modelling the spin pulse profile of the isolated neutron star RX J0720.4-3125 observed using XMM-Newton
Cropper, M., Zane, S., Ramsay, G., Haberl, F., Motch, C.,
A&A, 365, L302
Compressed ps (102kB)


Publications in 2000


Polarimetry and spectroscopy of RX J1141.3-6410: a single-pole AM Her system
Buckley, David A. H., Cropper, Mark, van der Heyden, Kurt, Potter, S. B., Wickramasinghe, Dayal T.
MNRAS, 318, 187
Compressed ps (385kB)

Simultaneous optical polarimetry and X-ray data of the near synchronous polar RX J2115-5840
Gavin Ramsay, Stephen Potter, Mark Cropper, David A. H. Buckley, M. K. Harrop-Allin
MNRAS, 316, 225
Compressed ps (230kB)

Stokes imaging of the accretion region in Magnetic Cataclysmic Variables - II: V347 Pav
Stephen Potter, Mark Cropper, Pasi Hakala
MNRAS, 315, 423
gzipped PS (165kB)

Infrared spectroscopy of CVs: III. dwarf novae below the period gap and novalike variables
Dhillon, V. S., Littlefair, S. P., Howell, S. B., Ciardi, D. R., HARROP-ALLIN, M. K., Marsh, T. R.,
MNRAS, 314, 826
gzipped ps (170kB)

Stokes imaging of the AM Her system ST LMi
Potter, S.,
MNRAS, 314, 672

The Emission from Post-Shock Flows in mCVs
M. Cropper, Wu, K., Ramsay, G.,
New Astronomy Reviews,44, 57
Compressed PS (210kB)

Determining the mass of the accreting white dwarf in magnetic CVs using RXTE data
Ramsay, G.
MNRAS, 314, 403
Compressed PS (79kB)

Evidence for a substellar secondary in the magnetic CV binary EF Eridani
Beuermann, K., Wheatley, P. J., Ramsay, G., Euchner, F., Gansicke, B. T.
A&A, 354, L49
Compressed PS (69kB)

Detection of the optical counterpart of the proposed double degenerate polar RX J1914+24
Ramsay, G., Cropper, M., Wu, K., Mason, K., Hakala, P.
MNRAS, 311, 75
Compressed PS (251kB)


Publications in 1999


Indirect imaging of the accretion stream in eclipsing polars II: HU Aqr
M. K. Harrop-Allin, M. Cropper, Hakala, P. J., Hellier, C., Ramseyer, T.
MNRAS, 308, 807
Compressed PS (339kB)

Simultaneous optical polarimetry and X-ray observations of the magnetic CV CP Tuc (AX J2315-592)
Gavin Ramsay, Stephen Potter, David Buckley, Peter Wheatley
MNRAS, 306, 809
Compressed PS (169kB)

Effects of Gravity on the Structure of Postshock Accretion Flows in Magnetic Cataclysmic Variables
Mark Cropper, Kinwah Wu, Gavin Ramsay, Aysegul Kocabiyik
MNRAS, 306, 684
Compressed PS (110kB)

RX J2115-5840: confirmation of a new near-synchronous Polar
Ramsay, G., Buckley, D. A. H., Cropper, M., Harrop-Allin,M. K.
MNRAS, 303, 96
Compressed PS (154kB)

Indirect imaging of the accretion stream in eclipsing polars I: method and tests
HARROP-ALLIN, M. K., Hakala, P. J., Cropper M.
MNRAS, 302, 362
Compressed PS (324kB)

Accretion flows in polars
M. K. HARROP-ALLIN
Compressed PS
(PhD thesis, University College London)

Indirect imaging of the accretion stream in HU Aqr
M. K. HARROP-ALLIN, M. CROPPER, P. J. Hakala, C. Hellier, T. Ramseyer
gzipped PS (205kB) (In the Proc of the Annapolis Conf on magnetic CVs. ASP Conf Proc) Vol 157, p81

The optical counterpart of the double degenerate Polar RX J1914+24
G. RAMSAY, M. CROPPER, K. MASON, P. Hakala
gzipped PS (89kB) (in the Proc of the Annapolis Conf on magnetic CVs. ASP Conf Proc) Vol 157, p153

RX J2115-5840: confirmation of a new near-synchronous Polar
G. RAMSAY, D. Buckley, M. CROPPER, M. K. HARROP-ALLIN
gzipped PS (116kB) (In the Proc of the Annapolis Conf on magnetic CVs. ASP Conf Proc) Vol 157, 227

The GOSSIP on the MCV V347 Pav
S. B. POTTER, M. CROPPER, P. Hakala
gzipped PS (92kB) (In the Proc of the Annapolis Conf on magnetic CVs. ASP Conf Proc) Vol 157, p253

Line and continuum emission in post-shock flows
M. CROPPER, K. Wu, G. RAMSAY
gzipped PS (72kB) (In the Proc of the Annapolis Conf on magnetic CVs. ASP Conf Proc) Vol 157, p325

Projected XMM vision for MCVs
C. H. JAMES, G. BRANDUARDI-RAYMONT, M. CROPPER
gzipped PS (728kB) (in the Proc of the Annapolis Conf on magnetic CVs. ASP Conf Proc) Vol 157, p421


Publications in 1998


RXJ1914.4+2456: the first double-degenerate polar?
M. CROPPER, M. K. HARROP-ALLIN, K. O. MASON, J. P. D. MITTAZ, S. B. POTTER and G. RAMSAY
MNRAS, 293, L57-L60
Compressed PS (159kB)

White dwarf masses in magnetic CVs: multi-temperature fits to GINGA data
CROPPER M. S., RAMSAY G. and Wu K.
MNRAS, 293, 222-232
Compressed PS (380K)

RX J0744-52: A probable Intermediate Polar
G. RAMSAY, D. A. H. Buckley and M. S. CROPPER
MNRAS, 294, 187-192
Compressed PS (316kB)

Polarimetry of QQ Vul
M. S. CROPPER
MNRAS, 295, 353
Compressed PS (284kB)

Evidence for pole switching in the magnetic cataclysmic variable BY Camelopardalis P. A. Mason, G. RAMSAY, I. Andronov, S. Kolesnikov, N. Shakhovsky and E. Pavlenko
Compressed PS (392kB)
(MNRAS,, 295, 511

Interacting OB star binaries: LZ Cep, SZ Cam and IU Aur
T. J. HARRIES, R. W. Hilditch and G. Hill
Monthly Notices of the Royal Astronomical Society, 295, 386
Compressed PS (375kB)

A spectropolarimetric survey of northern-hemisphere Wolf-Rayet stars
T.J. HARRIES, D.J. Hillier and I.D. Howarth
gzipped PS (487kB) (MNRAS, 296, 1072)

A Comparison of Two Mass Estimators using the Intermediate Polar XY Ari
RAMSAY, G., CROPPER, M. S., Hellier, C., Wu, K.
gzipped PS (56kB) (MNRAS,, 297, 1269)

RXJ 1238-38: a New Intermediate Polar below the Period Gap
Buckley, D. A. H., CROPPER, M. S., RAMSAY, G., Wickramasinghe, D. T.
gzipped PS (740kB) (MNRAS, 299, 83)

`Stokes imaging' of the accretion region in Magnetic Cataclysmic Variables - I. Conception and Realisation.
POTTER, S. B., Hakala, P. J., Cropper, M. S.
gzipped PS (102kB) (MNRAS, 297, 1261)

Spectroscopic observations of the eclipsing polar MN Hya (RX J0929--24)
Ramsay, G., Wheatley, P. J.
gzipped PS (182kB) (MNRAS, 301, 95)

A multiwavelength study of the accretion region in MCVs
Potter, S.
gzipped PS (PhD thesis, University College London)

Accretion Proccess onto Magnetic White Dwarfs
CROPPER, M. S.
ASP Conference Series

Polars: Multisite Emission - Multiwavelength Observation Schwope, A. D., Beuermann, K., Buckley, D. A. H., Ciardi, D., CROPPER, M. S. et al.
ASP Conference Series

The Masses of White Dwarfs in Magnetic CVs from X-ray Observations
Wu, K., CROPPER, M. S., RAMSAY, G.
IAU Symoposium 189

Accreting Shocks of Magnetised White Dwarfs: Ionisation Structure and Kalpha Line Emission of FE, Ni, Si.
Wu, K., CROPPER, M. S., RAMSAY, G.
IUA Symposium 189

Mapping the accretion stream in eclipsing polars
HARROP-ALLIN, M.K., Hakala, P. J., CROPPER M., Hellier, C., Ramseyer T. F.
Proc. 13th N. American Workshop on CVs and LMXBs. ASP Conf. Series

`Stokes imaging' of the accretion region in Magnetic Cataclysmic Variables.
POTTER, S. B., Hakala, P. J., Cropper, M. S.
Proc. 13th N. American Workshop on CVs and LMXBs. ASP Conf. Series



Publications in 1997


The chemical composition and binarity of beta Crateris
Smalley B., Kellett B. J., WONNACOTT D., and Stickland D. J.
Monthly Notices of the Royal Astronomical Society, 284, 457-464

Simultaneous UBVRIJK photometric and polarimetric observations of PQ Gem
POTTER S., CROPPER M. S., MASON K. O., Hough J. H. and Bailey J. A.
Monthly Notices of the Royal Astronomical Society, 285, 82-94

Spin-down in PQ Gem
MASON K. O.
Monthly Notices of the Royal Astronomical Society, 285, 493-500

Infrared spectroscopy of the long-period polar RXJ0515.6+0104
D. Stavroyiannopoulos. S. R. Rosen, M. G. Watson, K. O. MASON and S. B. Howell
Monthly Notices of the Royal Astronomical Society, 288, 891-902

Infrared spectroscopy of the long-period polar RX J0515.6+0105
HARROP-ALLIN, M. K., CROPPER, M., POTTER, S. B., Dhillon, V. S., Howell, S. B.
Monthly Notices of the Royal Astronomical Society, 288, 1033-1040

Polarisation in the Hidden Pole AM Her System EXO032957-2606.9
CROPPER, M.
Monthly Notices of the Royal Astronomical Society, 289, 21-24

Simultaneous EUVE and optical observations of the magnetic CV PQ Gem
Howell, S. B., Sirk, M., RAMSAY, G., CROPPER, M., POTTER, S., Rosen, S. R.
ApJ, 485, 333

Phase-resolved spectroscopy of the eclipsing AM Her system RX J0929-24
RAMSAY, G., Wheatley, P. J.
Compressed PS (64K)
Proc. 13th N. American Workshop on CVs and LMXBs. ASP Conf. Series

EF Eri in a low accretion state
Wheatley, P. J., RAMSAY, G.
Compressed PS (44K)
Proc. 13th N. American Workshop on CVs and LMXBs. ASP Conf. Series

ROSAT observations of the magnetic CV V2301 Oph (1H1752+081)
RAMSAY, G.
Monthly Notices of the Royal Astronomical Society, 290, 99-101

Pre-eclipse dips in the ultraviolet light curves of two eclipsing novalike cataclysmic variables
MASON, K. O, Drew, J. E. and Knigge C.
Monthly Notices of the Royal Astronomical Society, 290, L23

Time-series spectropolarimetry of the short-period Wolf-Rayet+O star binary CQ Cephei
HARRIES, T. J., Hilditch, R. W.
Monthly Notices of the Royal Astronmical Society, 291, 544-556

Polarisation Observations of RE1844-74
RAMSAY, G., Howell, S., Sirk, M., CROPPER, M. S., POTTER, S. B., Rosen, S. R.
IAU Colloquium 163 eds Wickramsighe, D. T., Ferrario, L., Bicknell, J., Publications of the Astronomical Society of the Pacific (Conference Series) 121, 783-784

White Dwarf Masses in Magnetic CVs: Multi-temperature Fits to GINGA Data. CROPPER, M. S., RAMSAY, G., Wu, K.
IAU Colloquium 163 eds Wickramsighe, D. T., Ferrario, L., Bicknell, J., Publications of the Astronomical Society of the Pacific (Conference Series) 121, 413-417

Infrared and optical spectroscopy of Type Ia supernovae in the nebular phase Bowers, E. J. C., Meikle, W. P. S., Geballe, T. R., Walton, N. A., PINTO, P. A., Dhillon, V. S., Howell, S. B., HARROP-ALLIN, M. K.
Monthly Notices of the Royal Astronmical Society, 290, 663


Publications in 1995


Rosat and Ginga observations of the magnetic cataclysmic variable QQ Vul; evidence of two-pole accretion
Beardmore A. P. RAMSAY G. Osborne J. P. MASON K. O. Nousek J. and Baluta C.
Monthly Notices of the Royal Astronomical Society, 273, 742-750

Eclipse Observations of an Accretion Disk Wind
MASON K. O., Drew J. E., Cordova F. A., Horne K., Hilditch R., Knigge C., Lanz T. and Meylan T.
Monthly Notices of the Royal Astronomical Society, 274, 271-286

Optical identification of EUV sources from the ROSAT Wide Field Camera All-sky Survey
MASON, K.O. et al
Monthly Notices of the Royal Astronomical Society, 274, 1194-1218

HR 5110 superflare: an inter-binary flare identified?
GRAFFAGNINO V. G. WONNACOTT D. & Schaedt S.
Monthly Notices of the Royal Astronomical Society, 275, 129-142

ROSAT observations of AM Her stars in low or intermediate states
RAMSAY, G. CROPPER M. S. and MASON K. O.
Monthly Notices of the Royal Astronomical Society, 276, 1382-1390

A Study of the Interstellar Dust Distribution in Regions of Low Total Column Density
M. H. Jones, M. Rowan-Robinson, G. BRANDUARDI-RAYMONT, P. SMITH, A. Pedlar, K. Willacy.
Monthly Notices of the Royal Astronomical Society, 277, 1587-1598

A new K-dwarf rapid-rotator with a white-dwarf companion?
D. Robb R. M. WONNACOTT D. Lloyd C & Clayton C.
Kellet B. J. Bromage G. E. Brown A. Jeffries R. James D. J. Kilkenny
Astrophysical Journal, 438, 364-375,

Asymmetric mass accretion in the magnetic cataclysmic variable RE~1149+28
Howell S. B. Sirk M. M. Malina R. F. MITTAZ J. P. D. and MASON K. O
Astrophysical Journal, 439, 991-995

HST and R-band eclipse maps of the UX UMa accretion disk
Baptista R. Horne K. Hilditch R. W. MASON K. O. and Drew J. E.
Astrophysical Journal, 448, 395-415

Ultraviolet eclipse observations of an accretion disk wind
Drew J.E. MASON K. O. Cordova F. A. Horne K. D. Mauche C. W. and Raymond J. C.
Adv. Space Res., 16, 53-56

HST UV observations of the accretion disk corona X-ray binary X1822-371
PUCHNAREWICZ E. M. MASON K.O. and Cordova F. A.
Adv. Space Res., 16, 65-68

Observations of AM Her stars using ROSAT
RAMSAY G. MASON K. O. and CROPPER M.S.
Adv. Space Res., 16, 103-106

Sporadic Mass transfer in the RSCVn system HR5110, in "New Horizon of X-ray Astronomy" Frontier Science Series no. 12
GRAFFAGNINO V.G. WONNACOTT D. & Schaeidt S.
editors F. Makino & T. Ohashi. publishers Universal Academy Press Inc., Tokyo, 383-384,

The peculiar soft X-ray bright intermediate polar PQ Gem (RE J0751+14)
ASP conf. series; "Cape Workshop on Magnetic Cataclysmic Variables"
MASON K. O.
Eds. D. A. H. Buckley and B. Warner
publ. Astronomical Society of the Pacific, San Francisco, Vol. 85, p225-231

EUVE spectroscopy of QS Tel (RE1938-461): the second pole becomes active, ASP conf. series; "Cape Workshop on Magnetic Cataclysmic Variables"
Rosen S., MITTAZ J., Buckley D. A. H., Layden A. and Mc Cain C.
Eds. D.A. H. Buckley and B. Warner, publ. Astronomical Society of the Pacific, San Francisco, Vol. 85, p279-280

Polarisation Observations of RE1844-74
ASP conf. series; "Cape Workshop on Magnetic Cataclysmic Variables"
RAMSAY G., CROPPER M. and Wu K.
Eds. D.A. H. Buckley and B. Warner, publ. Astronomical Society of the Pacific, San Francisco, Vol. 85, p338-339


Publications in 1994


Spectroscopy of Faint Cataclysmic Variables I
Howell, S., Liebert, J., & Mason, K. O.
IBVS, no 4072

UZ For: A new ephemeris for UZ For
Ramsay, G.
IBVS, no 4075

Circular Polarimetric observations of the magnetic CV 1H1752+081
Ramsay, G. & Cropper, M.
IBVS, no 4100

Is the ROSAT Wide-Field Camera EUV source and Am eclipsing binary, Delta Capricorni, also a Delta Scuti variable?
Lloyd, C., & Wonnaccot, D.
MNRAS, 266, L13

The discovery of EUV flaring activity in the K0V star HD 197890 with the ROSAT Wide Field Camera
Matthews, L., Bromage, G. E., Kellett, B. J., Sidher, S. D., Rochester, G. K., Quenby J. J., Sumner T. J., Donoghue D., Willoughby, G. & Wonnacott, D.
MNRAS, 266, 757

A 60-night campaign on dwarf novae
van Paradijs, J., Hellier, C., Mason, K. O. et al.
MNRAS, 267, 465

Mapping of the accretion region in AM Her systems: ST LMi
Cropper, M. & Horne, K.
MNRAS, 267, 481

A new hot da white-dwarf in a region of exceptionally low H-1 density
Bartsow, M.,...Mittaz, J.
MNRAS, 267, 647

Pulsational activity on IK Pegasi A
Wonnacott, D., Kellett, B.J., Smalley, B., Lloyd C.
MNRAS, 267, 1045

Spin-resolved optical CCD spectroscopy of GK Persei
Garlick, M. A., Mittaz, J. P. D., Rosen, S. R., & Mason K. O.
MNRAS, 269, 517

Rosat observations of AN UMa and MR Ser; the status of the soft X-ray excess
Ramsay, G., Mason, K. O., Cropper, M., Watson, M. G., & Clayton, K.
MNRAS, 270, 692

A ROSAT survey of hot white dwarfs in non-interacting binary systems
Barstow M. A. Holberg J. B. Fleming T. A. Marsh M. C. Koester D. & Wonnacott, D.
MNRAS, 270, 516

The discovery of RE1307+535: The shortest period AM Her system
Osborne J. P., Beardmore A. P., Wheatley P. J., Hakala P. J., Watson M. G., Mason K. O. & Hassall B. J. M.
MNRAS, 270, 650

ROSAT observations of a soft X-ray emission component in the intermediate polar RE0751+14
Duck, S. R., Rosen, S. R., Ponman, T. J., Norton, A. J., Watson, M. G., Mason, K. O.
MNRAS, 271, 372

Sporadic Mass transfer in the RSCVn system HR5110
Graffagnino, V. G., Wonnacott, D., Schaeidt, S.
New Horizon of X-ray Astronomy, ed. F. Makino & T. Ohashi, p383


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This page is maintained by Gavin Ramsay (gtbr@mssl.ucl.ac.uk). Last updated 15th Jan 2001