RE1844-74 - A NEW AM HER STAR FROM THE ROSAT WIDE-FIELD CAMERA SURVEY

被引：14

作者：

ODONOGHUE, D

MASON, KO

CHEN, A

HASSALL, BJM

WATSON, MG

机构：

[1] UCL, MULLARD SPACE SCI LAB, DORKING RH5 6NT, SURREY, ENGLAND

[2] ROYAL GREENWICH OBSERV, CAMBRIDGE CB3 0EZ, ENGLAND

[3] UNIV LEICESTER, DEPT PHYS & ASTRON, XRAY ASTRON GRP, LEICESTER LE1 7RH, ENGLAND

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 1993年 / 265卷 / 03期

关键词：

ACCRETION; ACCRETION DISKS; STARS; INDIVIDUAL; RE1844; 74; MAGNETIC FIELDS; NOVAE; CATACLYSMIC VARIABLES; X-RAYS;

D O I：

10.1093/mnras/265.3.545

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The ROSAT Wide Field Camera EUV source RE1844 - 74 has been identified with a approximately 16th-mag cataclysmic variable. Optical photometry shows that the system varies with an amplitude of more than 1 mag about the mean. The light curve is complex and shows substantial variations from one orbital cycle to the next. Optical spectroscopy confirms the 90-min orbital period suggested by the photometry, and shows large-amplitude (approximately 500 km s-1) radial velocity variations. The strength and shape of the line profiles vary systematically with orbital phase. The above evidence suggests that RE1844 - 74 belongs to the AM Her subclass of cataclysmic variables.

引用

页码：545 / 552

页数：8

共 12 条

[1]

BEUERMANN K, 1993, IN PRESS ADV SPACE R

[2] DISCOVERY OF AN EUV-BRIGHT POLAR IN THE PERIOD GAP FROM THE ROSAT WIDE-FIELD CAMERA SKY SURVEY [J].

BUCKLEY, DAH ;

ODONOGHUE, D ;

HASSALL, BJM ;

KELLETT, BJ ;

MASON, KO ;

SEKIGUCHI, K ;

WATSON, MG ;

WHEATLEY, PJ ;

CHEN, A .

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 1993, 262 (01) :93-108

[3]

CROPPER M, 1990, SPACE SCI REV, V54, P195, DOI 10.1007/BF00177799

[4] FOURIER-ANALYSIS WITH UNEQUALLY-SPACED DATA [J].

DEEMING, TJ .

ASTROPHYSICS AND SPACE SCIENCE, 1975, 36 (01) :137-158

[5] A NEW, EUV-BRIGHT INTERMEDIATE POLAR DISCOVERED IN THE ROSAT WIDE FIELD CAMERA ALL-SKY SURVEY [J].

MASON, KO ;

WATSON, MG ;

PONMAN, TJ ;

CHARLES, PA ;

DUCK, SR ;

HASSALL, BJM ;

HOWELL, SB ;

ISHIDA, M ;

JONES, DHP ;

MITTAZ, JPD .

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 1992, 258 (04) :749-758

[6] DISCOVERY OF A NEW POLE-OCCULTING AM HER STAR USING THE ROSAT WIDE-FIELD CAMERA [J].

MITTAZ, JPD ;

ROSEN, SR ;

MASON, KO ;

HOWELL, SB .

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 1992, 258 (02) :277-284

[7] THE ROSAT WIDE FIELD CAMERA ALL-SKY SURVEY OF EXTREME-ULTRAVIOLET SOURCES .1. THE BRIGHT SOURCE CATALOG [J].

POUNDS, KA ;

ALLAN, DJ ;

BARBER, C ;

BARSTOW, MA ;

BERTRAM, D ;

BRANDUARDIRAYMONT, G ;

BREBNER, GEC ;

BUCKLEY, D ;

BROMAGE, GE ;

COLE, RE ;

COURTIER, M ;

CRUISE, AM ;

CULHANE, JL ;

DENBY, M ;

DONOGHUE, DO ;

DUNFORD, E ;

GEORGANTOPOULOS, I ;

GOODALL, CV ;

GONDHALEKAR, PM ;

GOURLAY, JA ;

HARRIS, AW ;

HASSALL, BJM ;

HELLIER, C ;

HODGKIN, S ;

JEFFRIES, RD ;

KELLETT, BJ ;

KENT, BJ ;

LIEU, R ;

LLOYD, C ;

MCGALE, P ;

MASON, KO ;

MATTHEWS, L ;

MITTAZ, JPD ;

PAGE, CG ;

PANKIEWICZ, GS ;

PIKE, CD ;

PONMAN, TJ ;

PUCHNAREWICZ, EM ;

PYE, JP ;

QUENBY, JJ ;

RICKETTS, MJ ;

ROSEN, SR ;

SANSOM, AE ;

SEMBAY, S ;

SIDHER, S ;

SIMS, MR ;

STEWART, BC ;

SUMNER, TJ ;

VALLANCE, RJ ;

WATSON, MG .

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 1993, 260 (01) :77-102

[8]

RITTER H, 1990, ASTRON ASTROPHYS SUP, V85, P1179

[9] PHASE-RESOLVED OPTICAL SPECTROSCOPY OF THE AM HER SYSTEM E1405-451 [J].

ROSEN, SR ;

MASON, KO ;

CORDOVA, FA .

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 1987, 224 (04) :987-1006

[10] SURVEY OF GALAXY REDSHIFTS .1. DATA REDUCTION TECHNIQUES [J].

TONRY, J ;

DAVIS, M .

ASTRONOMICAL JOURNAL, 1979, 84 (10) :1511-1525

← 1 2 →