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| Query : 1996PASP..108..664F |
1996PASP..108..664F - Publ. Astron. Soc. Pac., 108, 664-667 (1996/August-0)
An O VIII sequence for planetary-nebula nuclei.
FEIBELMAN W.A.
Abstract (from CDS):
The detection of O VIII emission lines in ultraviolet and optical spectra of high-excitation planetary nebla central stars suggests an "O VIII Sequence" for these object. Emission lines of O VII are also detected. Seven out of ten central stars for these planetaries are known to be nonradial g-mode pulsators. The stars form a narrow strip when plotted on the log L*/L_sun - log Teff H-R diagram.
Abstract Copyright: ∼
Journal keyword(s): Stars
CDS comments: table 1 : RX J2117+3412 = RX J2117.1+3412
Simbad objects: 13
| Number of rows : 13 |
| 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 | WRAY 17-1 | PN | 07 14 49.4240697984 | -46 57 39.199063500 | 13.8 | 13.00 | PG1159 | 90 | 0 | |||
| 2 | NGC 2371 | PN | 07 25 34.6883929008 | +29 29 26.430252072 | 14.48 | 13.5 | Oe | 384 | 0 | |||
| 3 | NGC 2452 | PN | 07 47 26.2649505144 | -27 20 06.819982188 | 17.9 | 12.20 | [WO1] | 263 | 0 | |||
| 4 | NGC 2867 | PN | 09 21 25.3832468160 | -58 18 40.626683604 | 12.0 | 10.30 | [WO2] | 313 | 0 | |||
| 5 | PN Lo 4 | PN | 10 05 45.7880109408 | -44 21 33.523482384 | sdO | 146 | 1 | |||||
| 6 | NGC 5189 | PN | 13 33 32.8780414224 | -65 58 27.041428272 | 14.1 | 14.5 | 14.35 | [WO1] | 331 | 1 | ||
| 7 | NGC 5315 | PN | 13 53 56.9726795664 | -66 30 50.859483264 | 14.58 | 14.40 | [WO4] | 323 | 1 | |||
| 8 | IRAS 16032-3537 | MIR | 16 06 28.195 | -35 45 20.92 | ~ | 53 | 1 | |||||
| 9 | WR 72 | PN | 16 06 28.4800608552 | -35 45 12.390299820 | 13.99 | 13.95 | 14.36 | 13.54 | [WC] | 72 | 1 | |
| 10 | PN K 1-16 | PN | 18 21 52.1086837968 | +64 21 53.406292104 | 14.44 | 14.96 | 15.26 | PG1159 | 258 | 0 | ||
| 11 | NGC 6905 | PN | 20 22 22.9919225472 | +20 06 16.285052088 | 16.3 | 14.5 | [WC3] | 362 | 0 | |||
| 12 | NGC 7026 | PN | 21 06 18.5723414928 | +47 51 06.774735780 | 15.33 | 15.1 | [WC3] | 427 | 1 | |||
| 13 | MWP 1 | PN | 21 17 08.2817782392 | +34 12 27.415995372 | 12.731 | 13.082 | 13.379 | PG1159 | 199 | 0 |
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