Browsing by Author "Roelofs, G.H.A."

UVES and X-Shooter spectroscopy of the emission line AM CVn systems GP Com and V396 Hya

Kupfer, T.; Steeghs, D.; Groot, P.J. ; Marsh, T.R.; Nelemans, G.A. ; Roelofs, G.H.A.

2016, Article / Letter to editor (Monthly Notices of the Royal Astronomical Society, vol. 457, iss. 2, (2016), pp. 1828-1841)

A search for the hidden population of AM CVn binaries in the Sloan Digital Sky Survey

Carter, P.J.; Marsh, T.R.; Steeghs, D.; Groot, P.J. ; Nelemans, G.A. ; Levitan, D.; Rau, A.; Copperwheat, C.M.; Kupfer, T.; Roelofs, G.H.A.

2013, Article / Letter to editor (Monthly Notices of the Royal Astronomical Society, vol. 429, iss. 3, (2013), pp. 2143-2160)

The helium-rich cataclysmic variable SBSS 1108+574

Carter, P.J.; Steeghs, D.; Miguel, E. de; Goff, W.; Koff, R.A.; Krajci, T.; Marsh, T.R.; Gänsicke, B.T.; Breedt, E.; Groot, P.J. ; et al.

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2013, Article / Letter to editor (Monthly Notices of the Royal Astronomical Society, vol. 431, iss. 1, (2013), pp. 372-382)

Hidden population of AM CVns in the SDSS

Carter, P.J.; Marsh, T.R.; Steeghs, D.; Groot, P.J. ; Nelemans, G.A. ; Levitan, D.; Rau, A.; Copperwheat, C.M.; Kupfer, T.; Roelofs, G.H.A.

2012, Dataset

ULTRACAM observations of SDSS J0926+3624: The first known eclipsing AM CVn star

Copperwheat, C.; Marsh, T.; Littlefair, S.; Dhillon, V.; Ramsay, G.; Drake, A.; Gaensicke, B.; Groot, P.J. ; Hakala, P.; Koester, D.; et al.

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2010, Article in monograph or in proceedings (ULTRACAM observations of SDSS J0926+3624: The first known eclipsing AM CVn star : The Era of Extremely Large Telescopes (HTRA-IV), May 5 - 7, 2010 , Agios Nikolaos, Crete Greece, pp. 1-8)

The Type Ib supernova 2010O: an explosion in a Wolf-Rayet X-ray binary?

Nelemans, G.A. ; Voss, R.; Nielsen, M.T.B.; Roelofs, Gijs

2010, Article / Letter to editor (Monthly Notices of the Royal Astronomical Society, vol. 405, (2010), pp. L71-L75)

Spectroscopic Evidence for a 5.4 Minute Orbital Period in HM Cancri

Roelofs, G.H.A. ; Rau, A.; Marsh, T.R.; Steeghs, D.; Groot, P.J. ; Nelemans, G.A.

2010, Article / Letter to editor (The Astrophysical Journal, vol. 711, iss. 2, (2010), pp. L138-L142)

A Census of AM CVn Stars: Three New Candidates and One Confirmed 48.3-Minute Binary

Rau, A.; Roelofs, G.H.A. ; Groot, P.J. ; Marsh, T.R.; Nelemans, G.A. ; Steeghs, D.; Salvato, M.; Kasliwal, M.M.

2010, Article / Letter to editor (The Astrophysical Journal, vol. 708, iss. 1, (2010), pp. 456-461)

SDSSJ080449.49+161624.8: a peculiar AM CVn star from a colour-selected sample of candidates

Roelofs, G.H.A. ; Groot, P.J. ; Steeghs, D.; Rau, A.; de Groot, E.; Marsh, T.R.; Nelemans, G.A. ; Liebert, J.; Woudt, P.

2009, Article / Letter to editor (Monthly Notices of the Royal Astronomical Society, vol. 394, iss. 1, (2009), pp. 367-374)

The Expanding Bipolar Shell of the Helium Nova V445 Puppis

Woudt, P.A.; Steeghs, D.; Karovska, M.; Warner, B.; Groot, P.J. ; Nelemans, G.A. ; Roelofs, G.H.A. ; Marsh, T.R.; Nagayama, T.; Smits, D.P.; et al.

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2009, Article / Letter to editor (The Astrophysical Journal, vol. 706, iss. 1, (2009), pp. 738-746)

Radio Observations of Type Ia SN 2007on

Soderberg, A.; Nelemans, G.A. ; Voss, R.; Roelofs, G.H.A.

2008, Article / Letter to editor (The Astronomer's Telegram, vol. 1391, iss. 1391, (2008), pp. 1)

SDSS J080449.49+161624.8: A peculiar AM CVn star from a colour-selected sample of candidates

Roelofs, G.H.A. ; Groot, P.J. ; Steeghs, D.; Rau, A.; Groot, E. de; Marsh, T.R.; Nelemans, G.A. ; Liebert, J.; Woudt, P.

2008, Article / Letter to editor (Monthly Notices of the Royal Astronomical Society, vol. 0811.3974, iss. 1, (2008), pp. 1-9)

On the detection of the progenitor of the type Ia supernova 2007on

Roelofs, G.H.A. ; Bassa, C.G.; Voss, R.; Nelemans, G.A.

2008, Article / Letter to editor (Monthly Notices of the Royal Astronomical Society, vol. 391, iss. 1, (2008), pp. 290-296)

Observations of the 599 Hz Accreting X-Ray Pulsar IGR J00291+5934 during the 2004 Outburst and in Quiescence

Torres, M.A.P.; Jonker, P.G. ; Steeghs, D.; Roelofs, G.H.A. ; Bloom, J.S.; Casares, J.; Falco, E.E.; Garcia, M.R.; Marsh, T.R.; Mendez, M.; et al.

sine al.

2008, Article / Letter to editor (The Astrophysical Journal, vol. 672, iss. january 10, (2008), pp. 1079-1090)

Limits on the X-ray and optical luminosity of the progenitor of the Type Ia supernova 2007sr

Nelemans, G.A. ; Voss, R.; Roelofs, G.H.A. ; Bassa, C.G.

2008, Article / Letter to editor (Monthly Notices of the Royal Astronomical Society, vol. 388, iss. 2, (2008), pp. 487-494)

Photometry of V407 Vul and RXJ0806.3+1527: Twin systems ?

Barros, S.C.C.; Marsh, T.R.; Dhillon, V.S.; Groot, P.J. ; Littlefair, S.; Nelemans, G.A. ; Roelofs, G.H.A. ; Steeghs, D.; Wheatley, P.J.

2007, Article in monograph or in proceedings (American Institute of Physics Conference Series, pp. 873-876)

The Nature of the Donor Stars in Ultra-Compact AM CVn Binaries

Roelofs, G.H.A. ; Groot, P.J. ; Benedict, G.F.; McArthur, B.E.; Steeghs, D.; Morales-Rueda, L. ; Marsh, T.R.; Nelemans, G.A.

2007, Article in monograph or in proceedings (Astronomical Society of the Pacific Conference Series, pp. 437)

The AM Canum Venaticorum Stars

Roelofs, G.H.A.

2007, Dissertation

GRB 070125: Keck/LRIS spectroscopy -- evidence for a very low redshift

Prochaska, J.X.; Roelofs, G.H.A. ; Bloom, J. de ; Steeghs, D.

2007, Article / Letter to editor (Grb Coordinates Network, vol. 6032, iss. 1, (2007), pp. 1)

A GCM study of organic matter in marine aerosol and its potential contribution to cloud drop activation

Roelofs, G.H.A.

2007, Article / Letter to editor (Atmospheric Chemistry and Physics Discussions, vol. 7, (2007), pp. 5675-5700)

Global impact of road traffic emissions on tropospheric ozone

Matthes, S.; Grewe, V.; Sausen, R.; Roelofs, G.H.A.

2007, Article / Letter to editor (Atmospheric Chemistry and Physics, vol. 7, (2007), pp. 1707-1718)

SDSS J0926+3624, the First Eclipsing AM CVn Star, as Seen with ULTRACAM

Marsh, T.R.; Dhillon, V.S.; Littlefair, S.P.; Groot, P.J. ; Hakala, P.; Nelemans, G.A. ; Ramsay, G.; Roelofs, G.H.A. ; Steeghs, D.

2007, Article in monograph or in proceedings (Astronomical Society of the Pacific Conference Series, pp. 431)

The long-period AM CVn star SDSS J155252.48+320150.9

Roelofs, G.H.A. ; Groot, P.J. ; Steeghs, D.; Marsh, T.R.; Nelemans, G.A.

2007, Article / Letter to editor (Monthly Notices of the Royal Astronomical Society, vol. 382, iss. 4, (2007), pp. 1643-1647)

On the orbital periods of the AM CVn stars HP Librae and V803 Centauri

Roelofs, G.H.A. ; Groot, P.J. ; Nelemans, G.A. ; Marsh, T.R.; Steeghs, D.

2007, Article / Letter to editor (Monthly Notices of the Royal Astronomical Society, vol. 379, iss. 1, (2007), pp. 176-182)

The population of AM CVn stars from the Sloan Digital Sky Survey

Roelofs, G.H.A. ; Nelemans, G.A. ; Groot, P.J.

2007, Article / Letter to editor (Monthly Notices of the Royal Astronomical Society, vol. 382, iss. 2, (2007), pp. 685-692)

ULTRACAM photometry of the ultracompact binaries V407 Vul and HM Cnc

Barros, S.C.C.; Marsh, T.R.; Dhillon, V.S.; Groot, P.J. ; Littlefair, S.; Nelemans, G.A. ; Roelofs, G.H.A. ; Steeghs, D.; Wheatley, P.J.

2007, Article / Letter to editor (Monthly Notices of the Royal Astronomical Society, vol. 374, iss. 4, (2007), pp. 1334-1346)

Newly discovered cataclysmic variables from the INT/WFC photometric Halpha survey of the northern Galactic plane

Witham, A.R.; Knigge, C.; Aungwerojwit, A.; Drew, J.E.; Gänsicke, B.T.; Greimel, R.; Groot, P.J. ; Roelofs, G.H.A. ; Steeghs, D.; Woudt, P.A.

2007, Article / Letter to editor (Monthly Notices of the Royal Astronomical Society, vol. 382, (2007), pp. 1158-1168)

Hubble Space Telescope Parallaxes of AM CVn Stars and Astrophysical Consequences

Roelofs, G.H.A. ; Groot, P.J. ; Benedict, G.F.; McArthur, B.E.; Steeghs, D.; Morales-Rueda, L. ; Marsh, T.R.; Nelemans, G.A.

2007, Article / Letter to editor (The Astrophysical Journal, vol. 666, iss. 2, (2007), pp. 1174-1188)

Phase-resolved spectroscopy of the helium dwarf nova `SN 2003aw' in quiescence

Roelofs, G.H.A. ; Groot, P.J. ; Marsh, T.R.; Steeghs, D.; Nelemans, G.A.

2006, Article / Letter to editor (Monthly Notices of the Royal Astronomical Society, vol. 365, iss. 4, (2006), pp. 1109-1113)

Kinematics of the ultracompact helium accretor AM Canum Venaticorum

Roelofs, G.H.A. ; Groot, P.J. ; Nelemans, G.A. ; Marsh, T.R.; Steeghs, D.

2006, Article / Letter to editor (Monthly Notices of the Royal Astronomical Society, vol. 371, iss. 3, (2006), pp. 1231-1242)

A ZZCeti white dwarf in SDSSJ133941.11+484727.5

Gansicke, B.T.; Groot, P.J. ; Nelemans, G.A. ; Roelofs, G.H.A. ; Besselaar, E.J.M. van den

2006, Article / Letter to editor (Monthly Notices of the Royal Astronomical Society, vol. 365, iss. 3, (2006), pp. 969-976)

GEMINI Spectroscopy of the Ultracompact Binary Candidate V407 Vulpeculae

Steeghs, D.; Marsh, T.R.; Barros, S.C.C.; Nelemans, G.A. ; Groot, P.J. ; Roelofs, G.H.A. ; Ramsay, G.; Cropper, M.

2006, Article / Letter to editor (The Astrophysical Journal, vol. 649, iss. 1, (2006), pp. 382-388)

Identification of 13 DB + dM and 2 DC + dM binaries from the Sloan Digital Sky Survey

Besselaar, E.J.M. van den ; Roelofs, G.H.A. ; Nelemans, G.A. ; Augusteijn, T.; Groot, P.J.

2005, Article / Letter to editor (Astronomy and Astrophysics, vol. 434, iss. 3, (2005), pp. L13-L16)

SDSS J1240-01: A New AM CVn Star with a 37-Minute Orbital Period

Roelofs, G.H.A. ; Groot, P.J. ; Marsh, T.R.; Steeghs, D.; Nelemans, G.A.

2005, Article in monograph or in proceedings (Koester, D.; Moehler, S. (ed.), ASP Conf. Ser. 334: 14th European Workshop on White Dwarfs, pp. 443-446)

Geometrical constraints upon the unipolar model of {V407 Vul} and {RX J0806.3+1527}

Barros, S.C.C.; Marsh, T.R.; Groot, P.J. ; Roelofs, G.H.A. ; Nelemans, G.A. ; Ramsay, G.; Steeghs, D.

2005, Article in monograph or in proceedings (Hameury, J.-M.; Lasota, J.-P. (ed.), APS Conf. Ser. 330: The Astrophysics of Cataclysmic Variables and Related, pp. 331-332)

ULTRACAM photometry of the ultra-compact binary V407 Vul

Marsh, T.R.; Dhillon, V.S.; Steeghs, D.; Barros, S.C.C.; Groot, P.J. ; Nelemans, G.A. ; Ramsay, G.; Roelofs, G.H.A.

2005, Article in monograph or in proceedings (Hameury, J.-M.; Lasota, J.-P. (ed.), APS Conf. Ser. 330: The Astrophysics of Cataclysmic Variables and Related, pp. 507-508)

Binaries discovered by the SPY project. IV. Five single-lined DA double white dwarfs

Nelemans, G.A. ; Napiwotzki, R.; Karl, C.; Marsh, T.R.; Voss, B.; Roelofs, G.H.A. ; Izzard, R.G.; Montgomery, M.; Reerink, T.; Christlieb, N.; et al.

sine al.

2005, Article / Letter to editor (Astronomy and Astrophysics, vol. 440, iss. 3, (2005), pp. 1087-1095)

IPHAS: Surveying the North Galactic Plane in H-alpha

Drew, J.E.; Groot, P.J. ; Morales-Rueda, L. ; Roelofs, G.H.A.

2005, Contribution for newspaper or weekly magazine (The Newsletter of the Isaac Newton Group of Telescopes (ING Newsl.), issue no. 9, p. 3-7., , pp. 3-7)

SDSS J124058.03-015919.2: a new AM CVn star with a 37-min orbital period

Roelofs, G.H.A. ; Groot, P.J. ; Marsh, T.R.; Steeghs, D.; Barros, S.C.C.; Nelemans, G.A.

2005, Article / Letter to editor (Monthly Notices of the Royal Astronomical Society, vol. 361, iss. 2, (2005), pp. 487-494)

The INT Photometric Halpha Survey of the Northern Galactic Plane (IPHAS)

Drew, J.E.; Groot, P.J. ; Morales-Rueda, L. ; Roelofs, G.H.A.

2005, Article / Letter to editor (Monthly Notices of the Royal Astronomical Society, vol. 362, iss. 3, (2005), pp. 753-776)

Geometrical constraints upon the unipolar model of V407 Vul and RXJ0806.3+1527

Barros, S.C.C.; Marsh, T.R.; Groot, P.J. ; Nelemans, G.A. ; Ramsay, G.; Roelofs, G.H.A. ; Steeghs, D.; Wilms, J.

2005, Article / Letter to editor (Monthly Notices of the Royal Astronomical Society, vol. 357, iss. 4, (2005), pp. 1306-1312)

Spectroscopic observations of the counterpart of IGR J00291+5934

Roelofs, G.H.A. ; Jonker, P.G. ; Steeghs, D.; Torres, M.; Nelemans, G.A.

2004, Article / Letter to editor (The Astronomer'S Telegram, vol. 356, (2004), pp. 356)

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