2007MNRAS.379.1123R


C.D.S. - SIMBAD4 rel 1.7 - 2021.05.16CEST19:44:32

2007MNRAS.379.1123R - Mon. Not. R. Astron. Soc., 379, 1123-1132 (2007/August-2)

The first extensive search for sdO pulsators.

RODRIGUEZ-LOPEZ C., ULLA A. and GARRIDO R.

Abstract (from CDS):

O-type hot subdwarf (sdO) stars are evolved objects linking the asymptotic giant branch and extended horizontal branch phases with the dying low-mass white dwarfs. However, their exact evolutionary state and inner structure has not yet been constrained. Our aim was to discover possible sdO pulsators, so that asteroseismologic techniques could be used to unveil their inner structure and evolutionary state. We performed fast CCD photometry in search of pulsators within a sample of 56 sdOs in the Northern and Southern hemispheres during the period 2003-2006. We obtained two very promising sdO pulsator candidates that remain to be confirmed due to the low amplitude of their oscillations.

Abstract Copyright: 2007 The Authors. Journal compilation © 2007 RAS

Journal keyword(s): stars: oscillations - stars: variables: other

Status at CDS : All or part of tables of objects could be ingested in SIMBAD; there are some issues with cross-identifications or classifications.

Simbad objects: 65

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Number of rows : 65

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 HE 0010-3449 * 00 12 36.9579555394 -34 33 08.484214845   16.01 16.24 16.29 16.64 ~ 2 0
2 LB 1558 HS* 00 30 16.9829920440 -46 32 21.523556811 12.861 14.078 14.376 14.524 14.736 sdOHe 15 0
3 PG 0039+135 HS* 00 42 16.5729745040 +13 45 40.490757881   12.05       sdOC7VIIHe40 21 1
4 HS 0110+3222 HS* 01 12 54.0853400994 +32 38 02.064405751   15.81 16.06 16.85 16.08 sdO 2 0
5 LB 1598 HS* 01 21 38.0958879558 -55 32 20.852118531   11.73 11.95     sdOHe 6 0
6 JL 251 HS* 01 32 12.6818779148 -49 33 40.460187384   14.00 14.35     sdO 7 0
7 SB 705 HS* 01 43 07.5025809127 -38 33 16.231538100   12.97 13.01     sdOHe 19 0
8 BD+37 443 * 01 58 36.3002805222 +38 29 51.925376876   10.71 9.58     K0III 11 0
9 Feige 19 HS* 02 10 54.2120236867 +01 47 47.181917142   13.4 13.57     sdO9VIIHe39 20 1
10 PG 0217+155 HS* 02 20 35.6037550587 +15 44 06.921758820   15.08       sdOB 13 0
11 PG 0226+151 HS* 02 28 49.7372468152 +15 20 34.413208862   16.1   16.4   sdOC 10 0
12 PG 0231+051 WD* 02 33 41.3573346299 +05 18 43.652047965 14.562 15.776 16.096 16.267 16.639 DAO.6 140 0
13 Feige 26 HS* 02 40 04.3981720342 +03 55 42.256796483   13.75 14.10     sdO 16 0
14 HE 0302-3328 * 03 04 34.5036445384 -33 17 08.517053524   15.21 15.43 16.28   ~ 2 0
15 PG 0310+149 HS* 03 13 37.1752356567 +15 06 21.260839282   15.36       sdO 14 0
16 HZ 3 HS* 03 53 31.3278475121 +10 45 04.064967646   12.8 12.86     sdO6He 15 0
17 Ton S 403 HS* 04 09 49.7009552178 -28 20 03.172987863 11.55 12.70 12.98     sdB 13 0
18 BPS CS 22182-0037 HS* 04 29 10.7264771195 -29 02 48.059906796 12.55 13.79 14.10     sdOHe 9 0
19 BPS CS 29520-0048 HS* 04 37 34.0677017987 -61 57 43.125546096 13.11 14.32 14.57 15.03   sdO 6 0
20 EC 04399-1826 HS* 04 42 08.2822385721 -18 20 54.708071224 12.80 14.07 14.28 14.61 14.80 sdOHe 4 0
21 HZ 1 HS* 04 50 13.5217785460 +17 42 06.198260640   12.601 12.661     sdOHe 33 0
22 LS V +22 38 * 06 16 13.3273979436 +22 45 48.782736570 11.69 11.775 10.726 10.450   B0.2III: 22 1
23 HS 0657+5333 HS* 07 01 23.2171631392 +53 29 37.935886376   14.72 14.96 15.41   sdOHe 4 0
24 HS 0659+5734 HS* 07 03 49.6209627618 +57 30 02.988028151   15.31 15.49 15.90 15.66 sdO 2 0
25 HS 0735+4026 HS* 07 38 56.9878795726 +40 19 42.048403142           sdO 9 0
26 HS 0736+3953 HS* 07 40 02.9854625010 +39 46 33.008280027           sdOHe 6 0
27 KUV 07596+4123 HS* 08 02 59.8053825811 +41 14 38.040331176   15.38 15.38     sdO 18 0
28 BD+75 325 HS* 08 10 49.4901623070 +74 57 57.936226530 8.002 9.23 9.50 9.698 9.884 sdO5 236 0
29 PG 0836+619 HS* 08 40 44.0045730798 +61 47 52.045417991   14.12 14.35 14.68   sdO 12 0
30 Ton 349 HS* 08 47 18.9283310823 +23 00 30.367688538   15.04 15.39 15.81   sdOB 9 0
31 PG 0909+276 HS* 09 12 51.6611095657 +27 20 31.397179258   11.92 12.10 12.62   sdB0.5VIIHe19 32 1
32 Ton 14 HS* 09 23 13.3873310818 +29 26 58.336092055   14.50 14.73 15.05   sdOA 21 0
33 Ton 414 HS* 09 24 40.0704550572 +30 50 12.593496364   14.6 14.73     sdBN0VIIHe35 19 0
34 PG 1020+695 HS* 10 23 58.6403809404 +69 11 45.149567365     14.69     sdOB 12 1
35 Feige 34 HS* 10 39 36.7377085527 +43 06 09.209752646 9.613 10.91 11.14 11.319 11.464 sdOp 620 0
36 PG 1038+510 HS* 10 41 23.1387468397 +50 44 20.154805337   14.82 15.31     sdOHe 13 0
37 PG 1102+499 HS* 11 05 23.1634297257 +49 34 59.707151609   14.09 14.29 14.56   sdOB 9 0
38 PG 1134+463 HS* 11 37 30.8814563666 +46 00 06.259168616   14.90 15.14 15.58   sdO 13 0
39 HS 1203+6650 HS* 12 06 26.5492335348 +66 33 52.449091526           sdO 13 0
40 BD+18 2647 HS* 12 41 51.7901702595 +17 31 19.750592670 10.261 11.70 11.63 11.969 12.159 sdOpec 166 1
41 Ton 143 HS* 13 03 46.6252622288 +26 46 30.552292696   15.47 15.710 15.96   sdOHe 27 0
42 PG 1401+289 HS* 14 03 17.1411754837 +28 39 29.345538021   14.87       sdOC7VIIHe40 14 0
43 V* V361 Hya ** 14 05 33.00 -27 01 34.1   15.45 15.26 15.16   sdB+ 110 0
44 PG 1427+196 HS* 14 29 27.7634519362 +19 21 36.619102310   13.89 14.12 14.49   sdOC 11 1
45 HD 128220 SB* 14 35 15.7846989338 +19 12 54.511945549   8.724 8.503     G0IIIn+sdO 110 0
46 HS 1522+6615 WD* 15 22 56.6961693247 +66 04 42.031617922   16.4       DO 24 0
47 PG 1528+029 HS* 15 30 56.3329676079 +02 42 22.593050410   15.24 15.42 15.82   sdOC 14 0
48 PG 1534-018 HS* 15 37 33.8232683937 -02 00 21.913449762   14.90 15.01 15.58   sdOC6.5VIIHe40 12 0
49 Ton 803 HS* 15 46 09.0104779742 +25 07 40.750681965   13.86 14.11     sdO 16 0
50 V* V499 Ser HS* 16 00 43.6054215157 +07 48 02.879107935           sdOHe 26 0
51 PG 1624+382 HS* 16 26 16.7177487818 +38 07 10.475183586   15.49 15.73 16.14   sdOC 20 0
52 PG 1638+676 HS* 16 38 43.7422246222 +67 28 08.363468038   15.68 15.97 16.52   sdOC 10 1
53 PG 1708+614 HS* 17 08 40.6132162964 +61 17 46.497397349     14.4     sdOC 15 0
54 PG 1716+426 HS* 17 18 03.8584285848 +42 34 12.566188858   13.69 13.97     sdB2VIIHe3 99 0
55 HS 1736+5521 HS* 17 37 23.8209081932 +55 20 16.101375936   14.82 14.95 15.50   sdOHe 5 0
56 BD+39 3226 HS* 17 46 31.9117461025 +39 19 09.070415423   9.89 10.18     sdOHe 33 0
57 HS 1753+6911 HS* 17 53 24.6090588998 +69 10 57.477063250     15.46     sdO 8 0
58 HS 1808+5647 HS* 18 09 44.3605895621 +56 48 13.207507292   15.42 15.63 15.85 15.66 sdO 2 0
59 HS 1832+6955 HS* 18 32 17.1541887248 +69 57 50.032006378   13.86 14.13 14.57   sdO 2 0
60 HS 1939+6728 HS* 19 39 32.5251676451 +67 35 22.150714502   14.42   15.56   sdO 2 0
61 HS 2108+1413 HS* 21 10 41.3926658919 +14 25 58.932391650   14.04 14.03 14.99   sdOHe 5 0
62 BD+25 4655 HS* 21 59 41.9751489837 +26 25 57.398356446 8.27 9.39 9.68     sdO6 104 0
63 PG 2215+151 HS* 22 17 48.2205413081 +15 20 57.378570667   14.34 14.53 14.79   sdOC9VIIHe40 18 0
64 HE 2347-4130 HS* 23 50 19.7134941783 -41 14 01.174215112   15.16       sdOHe 7 0
65 SB 933 HS* 23 59 09.8713071985 -40 33 19.772857982   13.93 14.18 14.63   sdO5He4 10 0

    Equat.    Gal    SGal    Ecl

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2021.05.16-19:44:32

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