1999ApJ...513..947F

Query : 1999ApJ...513..947F

1999ApJ...513..947F - Astrophys. J., 513, 947-955 (1999/March-2)

Changes and absorption features in the ultraviolet spectrum of the PG 1159-Type central star RX J2117+3412.

FEIBELMAN W.A.

Abstract (from CDS):

Comparison of IUE high- and low-dispersion spectra for the PG 1159-type central star of RX J2117+3412 indicates that the stellar continuum level and some absorption features decreased between 1993 and 1995. These observed changes may represent a new phenomenon not previously known to occur in PG 1159-type DO degenerates. The definite detection of O V λ1371 in co-added 1993 IUE spectra suggests that Teff for the star may have been even higher than 170,000 K in 1993. Radial velocities and equivalent widths were measured for more than 60 photospheric and circumstellar/interstellar features, some of which are compared with published data obtained from HST GHRS and IUE.

Abstract Copyright: ∼

Journal keyword(s): Stars: Individual: Alphanumeric: RX J2117+3412 - Ultraviolet: Stars

CDS comments: In the title, RX J2117+3412 is RX J2117.1+3412

Simbad objects: 9

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Number of rows : 9
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 PN PRTM 1 PN 05 03 01.7319046416 -39 45 44.526021012           ~ 52 0
2 NGC 2346 PN 07 09 22.5215800440 -00 48 23.610997332   11.76 11.58     A5V 592 0
3 PN Lo 4 PN 10 05 45.7880109408 -44 21 33.523482384           sdO 146 1
4 NGC 5315 PN 13 53 56.9726795664 -66 30 50.859483264   14.58 14.40     [WO4] 323 1
5 CD-59 6479 PN 17 16 21.0591001224 -59 29 23.383608324 10.03   12.279 12.704   B3e 144 0
6 PN K 1-16 PN 18 21 52.1086837968 +64 21 53.406292104   14.44 14.96 15.26   PG1159 258 0
7 IC 4997 PN 20 20 08.7557973960 +16 43 53.698933380   11.94 11.15     [WC7/8] 555 0
8 V* BW Vul bC* 20 54 22.3947588600 +28 31 19.190976132 5.47 6.40 6.54     B2IIIv 301 0
9 MWP 1 PN 21 17 08.2817782392 +34 12 27.415995372   12.731 13.082 13.379   PG1159 199 0

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