2002A&A...386..860A

Query : 2002A&A...386..860A

2002A&A...386..860A - Astronomy and Astrophysics, volume 386860-864 (2002/5-2)

Variable stars in nearby galaxies. V. Search for Cepheids in field A of NGC 6822.

ANTONELLO E., FUGAZZA D., MANTEGAZZA L., STEFANON M. and COVINO S.

Abstract (from CDS):

The results of a CCD survey for variability of stars in the nearby galaxy NGC 6822 are presented. The goal of the survey was to obtain good light curves of Cepheids for Fourier decomposition and to detect shorter period Cepheids. Since the program was carried out with a relatively small telescope, the Dutch 0.9 m at ESO-La Silla, the observations were unfiltered (white light, or Wh-band). The analysis revealed the presence of more than 130 variable stars. 21 population I Cepheids are detected; 6 of them were already known from previous works (Kayser, 1967AJ.....72..134K). For at least three Cepheids, however, the previous identification or period was wrong. Some probable population II (W Vir) stars are also identified. The dispersion of the fundamental mode Cepheid PL relation appears to be small.

Abstract Copyright: ∼

Journal keyword(s): stars: oscillations - stars: variables: Cepheids - stars: variables: general - galaxies: individual: NGC 6822 - local group - galaxies: stellar content

Nomenclature: Fig.1, Table 1: [AFM2002b] VNNNN N=130 among (Nos V3-V3984).

Status at CDS : All or part of tables of objects will not be ingested in SIMBAD.

CDS comments: in ref list MADORE 1991PASP..103..933M instead of 103.993

Simbad objects: 31

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Number of rows : 31
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 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 13622 1
2 IC 1613 GiC 01 04 48.4071 +02 07 10.185   10.42 10.01 9.77   ~ 1316 2
3 M 33 GiG 01 33 50.8965749232 +30 39 36.630403128 6.17 6.27 5.72     ~ 6226 1
4 [K67] V25 Ce* 19 44 50.85 -14 48 36.5     20.50     ~ 9 0
5 [PGU2004] cep031 Ce* 19 44 51.01 -14 47 20.2           ~ 5 0
6 [PGU2004] cep011 Ce* 19 44 52.31 -14 47 35.9           ~ 6 0
7 [PGU2004] cep008 Ce* 19 44 52.93 -14 46 56.3           ~ 5 1
8 [H25] V9 Ce* 19 44 53.00 -14 48 38.9     19.70     ~ 11 0
9 [AFM2002b] V2113 V* 19 44 54.07 -14 48 55.2           ~ 1 0
10 [AFM2002b] V0686 V* 19 44 54.53 -14 48 45.6           ~ 1 0
11 [AFM2002b] V3984 V* 19 44 55.12 -14 47 50.5           ~ 1 0
12 [H25] V2 Ce* 19 44 55.1304577246 -14 47 12.054332104     18.90     ~ 14 0
13 [PGU2004] cep072 V* 19 44 55.15 -14 49 20.8           ~ 2 0
14 [H25] V3 Ce* 19 44 55.37 -14 46 55.1   19.95 18.92     ~ 7 0
15 [AFM2002b] V3529 V* 19 44 55.43 -14 47 13.2           ~ 1 0
16 [AFM2002b] V0052 RG* 19 44 55.48 -14 50 05.3   20.411 20.001   19.112 ~ 3 0
17 [AFM2002b] V3015 V* 19 44 56.01 -14 46 32.2           ~ 1 0
18 NGC 6822 G 19 44 56.199 -14 47 51.29   18 8.1     ~ 1661 0
19 [AFM2002b] V1447 V* 19 44 56.36 -14 47 17.4           ~ 1 0
20 [AFM2002b] V2858 V* 19 44 56.61 -14 47 34.9           ~ 1 0
21 [AFM2002b] V3543 V* 19 44 57.06 -14 47 04.7           ~ 1 0
22 [PGU2004] cep081 V* 19 44 57.14 -14 49 50.1           ~ 2 0
23 [PGU2004] cep076 V* 19 44 57.24 -14 49 09.7           ~ 3 0
24 [AFM2002b] V0771 V* 19 44 57.97 -14 48 28.0           ~ 2 0
25 [BRC2005] V087 V* 19 44 59.25 -14 47 44.6   22.545 21.549     ~ 4 0
26 [H25] V1 Ce* 19 44 59.62 -14 47 10.3     19.00     ~ 13 0
27 [PGU2004] cep025 Ce* 19 45 00.36 -14 47 04.4   22.238 21.106     ~ 7 0
28 [PGU2004] cep033 Ce* 19 45 01.54 -14 49 20.5           ~ 5 0
29 [H25] V13 Ce* 19 45 01.90 -14 47 32.3     18.40     ~ 16 0
30 [PGU2004] cep041 Ce* 19 45 04.57 -14 49 38.0           ~ 4 0
31 NAME Local Group GrG ~ ~           ~ 9325 0

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