2003ApJ...594..443G

Query : 2003ApJ...594..443G

2003ApJ...594..443G - Astrophys. J., 594, 443-448 (2003/September-1)

Anomalous ultraviolet line flux ratios in the cataclysmic variables 1RXS J232953.9+062814, CE 315, BZ Ursae Majoris, and EY Cygni, observed with the Hubble Space Telescope Space Telescope Imaging Spectrograph.

GANSICKE B.T., SZKODY P., DE MARTINO D., BEUERMANN K., LONG K.S., SION E.M., KNIGGE C., MARSH T. and HUBENY I.

Abstract (from CDS):

Brief Hubble Space Telescope Space Telescope Imaging Spectrograph spectroscopic snapshot exposures of the cataclysmic variables 1RXS J232953.9+062814, CE 315, BZ UMa, and EY Cyg reveal very large N V/C IV line flux ratios, similar to those observed in AE Aqr. Such anomalous line flux ratios have so far been observed in 10 systems and presumably reflect a different composition of the accreted material compared to the majority of cataclysmic variables. We discuss the properties of this small sample in the context of the recent proposal by Schenker et al. that a significant fraction of the present-day population of cataclysmic variables may have passed through a phase of thermal timescale mass transfer.

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Journal keyword(s): Line: Formation - Stars: Novae, Cataclysmic Variables - Stars: Individual: Alphanumeric: 1RXS J232953.9+062814 - Stars: Individual: Constellation Name: BZ Ursae Majoris - Stars: Individual: Alphanumeric: CE 315 - Stars: Individual: Constellation Name: EY Cygni - Stars: White Dwarfs

Simbad objects: 15

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Number of rows : 15
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 V* VW Hyi CV* 04 09 11.3967378648 -71 17 41.554528260   12.786 12.543 14.160   DQ 661 0
2 V* V1309 Ori CV* 05 15 41.4123253872 +01 04 40.481073984           M0.5 116 0
3 V* BY Cam CV* 05 42 48.8013535344 +60 51 31.376128608   16.60       ~ 270 0
4 V* TX Col CV* 05 43 20.16864 -41 01 54.2856         14.541 ~ 167 0
5 V* U Gem CV* 07 55 05.2324414746 +22 00 05.044127985   15.3 14.54     DA 1135 0
6 V* BZ UMa CV* 08 53 44.1735972456 +57 48 40.593710304   15.95 17.58 14.98 15.38 M5.5:Ve 164 0
7 V* MN Hya CV* 09 29 07.0308334337 -24 05 05.423730671           ~ 44 0
8 V* KV UMa HXB 11 18 10.7930420496 +48 02 12.314730120           K5V-M1V 865 0
9 V* V485 Cen CV* 12 57 23.1807645432 -33 12 05.742562932           ~ 111 0
10 G 61-29 CV* 13 05 42.4009686696 +18 01 03.763561619   16.059 16.101 15.825   DBe 284 0
11 V* V396 Hya CV* 13 12 46.4399548464 -23 21 32.595789924   18.9   17.5   DD 114 0
12 V* QZ Ser CV* 15 56 54.4738717848 +21 07 19.083494676           ?+K4Ve 61 0
13 V* EY Cyg CV* 19 54 36.7420149648 +32 21 55.087471404           sdBe+K0V 125 0
14 V* AE Aqr CV* 20 40 09.1598959176 -00 52 15.055595220   12.46 10.40   10.191 K3-5IV/V 705 0
15 V* EI Psc CV* 23 29 54.2146447848 +06 28 11.596023228   16.86 16.22     ~ 141 0

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