1999AJ....118.2211M

Query : 1999AJ....118.2211M

1999AJ....118.2211M - Astron. J., 118, 2211-2228 (1999/November-0)

DIRECT distances to nearby galaxies using detached eclipsing binaries and cepheids. V. Variables in the field M31F.

MOCHEJSKA B.J., KALUZNY J., STANEK K.Z., KROCKENBERGER M. and SASSELOV D.D.

Abstract (from CDS):

We undertook a long-term project, DIRECT, to obtain the direct distances to two important galaxies in the cosmological distance ladder–M31 and M33–using detached eclipsing binaries (DEBs) and Cepheids. While rare and difficult to detect, DEBs provide us with the potential to determine these distances with an accuracy better than 5%. The extensive photometry obtained in order to detect DEBs provides us with good light curves for the Cepheid variables. These are essential to the parallel project to derive direct Baade-Wesselink distances to Cepheids in M31 and M33. For both Cepheids and eclipsing binaries, the distance estimates will be free of any intermediate steps.

As a first step in the DIRECT project, between September 1996 and October 1997 we obtained 95 full/partial nights on the F. L. Whipple Observatory 1.2 m telescope and 36 full nights on the Michigan-Dartmouth-MIT 1.3 m telescope to search for DEBs and new Cepheids in the M31 and M33 galaxies. In this paper, the fifth in the series, we present the catalog of variable stars found in the field M31F [(α,δ)=(10°.10,40°.72), J2000.0]. We have found 64 variable stars: four eclipsing binaries, 52 Cepheids and eight other periodic, possible long-period or nonperiodic variables. The catalog of variables, as well as their photometry and finding charts, is available via anonymous ftp and the World Wide Web. The complete set of the CCD frames is available upon request.


Abstract Copyright: ∼

Journal keyword(s): Stars: Binaries: Eclipsing - Stars: Variables: Cepheids - Cosmology: Distance Scale - Galaxies: Individual: Messier Number: M31 - Stars: Variables: Other

VizieR on-line data: <Available at CDS (J/AJ/118/2211): tables 1 to 9>

Nomenclature: Tables 1-4: DIRECT VNNNN M31F N=64.

CDS comments: Misprint: inversion of Field II and III

Simbad objects: 68

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Number of rows : 68
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 DIRECT V7832 M31F Ce* 00 39 59.23436400 +40 47 48.9658560     21.39   20.47 ~ 1 0
2 BASW 222 cC* 00 40 01.8128045184 +40 41 18.591507492     21.03   20.17 ~ 6 0
3 BASW 230 cC* 00 40 05.92999440 +40 39 11.4404400     21.43   19.88 ~ 5 0
4 BASW 232 cC* 00 40 06.0 +40 38 39     20.90     ~ 4 0
5 BASW 234 cC* 00 40 06.6835006920 +40 38 10.782064356     20.50   19.51 ~ 6 0
6 DIRECT V7074 M31F cC* 00 40 09.3883331064 +40 46 39.546427332     20.78   19.70 ~ 3 0
7 BASW 225 cC* 00 40 11.07507360 +40 41 32.1038520     21.31   20.47 ~ 5 0
8 BASW 326 cC* 00 40 14.1868516320 +40 40 53.102645040     20.86   20.04 ~ 5 0
9 DIRECT V6640 M31F cC* 00 40 14.2195289867 +40 39 20.736012606     19.67     ~ 2 0
10 GAPO 150 cC* 00 40 14.7603167016 +40 43 17.116674420     20.77   19.55 ~ 6 0
11 BASW 325 cC* 00 40 15.2774021208 +40 40 25.936709376     20.83   20.13 ~ 5 0
12 BASW 319 cC* 00 40 15.8689401469 +40 39 24.581605711     20.95   20.24 ~ 4 0
13 GAPO 133 cC* 00 40 16.4168254824 +40 41 58.016946264     20.38   19.30 ~ 6 0
14 GAPO 33 cC* 00 40 17.1262690104 +40 39 21.672095184     19.74   18.78 ~ 9 0
15 BASW 318 cC* 00 40 17.3262366120 +40 38 46.536986256     21.21   20.05 ~ 5 0
16 BASW 315 cC* 00 40 17.9538620256 +40 38 21.909280272     20.52   19.52 ~ 5 0
17 DIRECT V5994 M31F cC* 00 40 18.5549843952 +40 39 11.317166604     20.67   19.53 ~ 2 0
18 GAPO 70 cC* 00 40 18.8870522616 +40 41 25.236654828     21.12   20.54 ~ 6 0
19 BASW 320 cC* 00 40 19.1406234744 +40 39 04.321754640     21.00   20.02 ~ 5 0
20 GAPO 30 cC* 00 40 19.1764099656 +40 40 20.992752156     21.24   20.37 ~ 7 0
21 GAPO 17 cC* 00 40 19.3688255424 +40 45 06.855593724     20.74   19.54 ~ 6 0
22 GAPO 29 cC* 00 40 19.8532334616 +40 40 48.743889312     21.07   20.10 ~ 7 0
23 GAPO 135 cC* 00 40 20.5222520592 +40 40 26.807293236     20.34   19.45 ~ 8 0
24 BASW 323 cC* 00 40 21.1909553328 +40 39 39.971388960     20.72   20.27 ~ 4 0
25 DIRECT V5442 M31F cC* 00 40 21.4038060610 +40 40 35.499521266 20.101 20.497 19.65   18.58 M/KI+B 4 0
26 DIRECT V5178 M31F cC* 00 40 22.7648103048 +40 40 50.516021748     20.30   19.30 ~ 3 0
27 GAPO 14 cC* 00 40 23.0973843792 +40 46 50.236335516     20.70   19.67 ~ 5 0
28 GAPO 68 cC* 00 40 23.2010962176 +40 40 49.636609788     20.66   19.92 ~ 7 0
29 GAPO 51 cC* 00 40 23.3063633856 +40 48 11.822345388     20.70   19.70 ~ 5 0
30 GAPO 74 cC* 00 40 23.4155501712 +40 47 05.113218840     20.47   19.31 ~ 6 0
31 GAPO 114 cC* 00 40 24.9463471080 +40 39 47.139695568     20.50   19.33 ~ 7 0
32 BASW 357 cC* 00 40 25.1145474696 +40 39 18.572351328     20.73   19.30 ~ 5 0
33 GAPO 60 cC* 00 40 25.2875867760 +40 42 07.789836096     20.54   19.41 ~ 6 0
34 DIRECT V4320 M31F EB* 00 40 25.8371922304 +40 44 43.892289244           ~ 2 0
35 GAPO 20 cC* 00 40 26.6266676136 +40 43 59.464366212     20.46   19.63 ~ 7 0
36 GAPO 153 cC* 00 40 26.64507360 +40 40 35.9527080     21.48   20.50 ~ 6 0
37 GAPO 24 cC* 00 40 27.7092384624 +40 43 42.297876228     21.24   19.65 ~ 6 0
38 GAPO 72 cC* 00 40 28.5225290736 +40 45 38.146688964     20.55   19.85 ~ 8 0
39 GAPO 175 cC* 00 40 28.5250460880 +40 40 35.090505876     20.98   19.96 ~ 6 0
40 GAPO 108 cC* 00 40 28.8798291504 +40 45 59.769893448     21.28   20.52 ~ 5 0
41 DIRECT V3373 M31F cC* 00 40 28.8921654264 +40 47 48.696700308     20.94   19.55 ~ 2 0
42 EV* M31 V0375 cC* 00 40 29.11 +40 47 29.5     21.09   20.13 ~ 4 0
43 DIRECT V3289 M31F cC* 00 40 29.5715871525 +40 44 42.965557886     20.89   19.76 ~ 3 0
44 GAPO 109 cC* 00 40 32.2273603512 +40 45 55.815074640     20.27   19.54 ~ 7 0
45 GAPO 128 cC* 00 40 32.5600556891 +40 47 32.285437210     20.37   19.40 ~ 5 0
46 DIRECT V2203 M31F cC* 00 40 32.8816259108 +40 43 52.673890314 19.6   17.94   17.17 F5I 7 0
47 DIRECT V2285 M31F Sy* 00 40 32.97 +40 41 02.7 19.071 19.985 19.702 19.196 18.787 ~ 3 0
48 NGC 206 As* 00 40 33.8 +40 44 22           ~ 128 0
49 GAPO 98 Ce* 00 40 33.9653467440 +40 44 29.956822728 19.963 19.961 18.79   17.47 M/KI+B 7 0
50 DIRECT V1835 M31F EB* 00 40 34.4 +40 43 06           ~ 1 0
51 GAPO 209 s*r 00 40 34.7254264752 +40 44 59.555067396   22.265 20.214 18.535 16.593 M2.5I 9 0
52 GAPO 111 s*r 00 40 35.0648765208 +40 45 22.227424164 22.303 21.631 19.377 17.862 16.275 M2.5I 14 0
53 GAPO 107 cC* 00 40 35.1179589552 +40 46 33.378436164     21.30   19.85 ~ 6 0
54 GAPO 145 cC* 00 40 35.3413972680 +40 46 06.915326628     20.94   19.86 ~ 6 0
55 GAPO 54 cC* 00 40 35.7370411920 +40 45 24.787759140     20.72   19.68 ~ 7 0
56 GAPO 31 cC* 00 40 36.0786904968 +40 39 16.236968148     20.61   19.45 ~ 6 0
57 DIRECT V1229 M31F V* 00 40 38.2 +40 44 20           ~ 1 0
58 GAPO 94 cC* 00 40 41.23145760 +40 46 37.3865880     21.64   20.71 ~ 5 0
59 GAPO 130 cC* 00 40 42.2729878200 +40 45 50.193641556     21.35   19.61 ~ 5 0
60 DIRECT V764 M31F V* 00 40 43 +40 48.7           ~ 1 0
61 DIRECT V763 M31F EB* 00 40 43.3596898661 +40 43 34.678293616           ~ 2 0
62 DIRECT V667 M31F V* 00 40 44.4 +40 43 35           ~ 1 0
63 DIRECT V602 M31F cC* 00 40 45.1366505688 +40 44 20.948282844     21.05   19.12 ~ 2 0
64 DIRECT V244 M31F V* 00 40 50.5 +40 44 17           ~ 1 0
65 DIRECT V207 M31F EB* 00 40 51.8 +40 38 24           ~ 1 0
66 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 13622 1
67 M 33 GiG 01 33 50.8965749232 +30 39 36.630403128 6.17 6.27 5.72     ~ 6226 1
68 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0

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