2006A&A...445..423F

Query : 2006A&A...445..423F

2006A&A...445..423F - Astronomy and Astrophysics, volume 445, 423-439 (2006/1-2)

The Wendelstein Calar Alto Pixellensing Project (WeCAPP): the M 31 variable star catalogue.

FLIRI J., RIFFESER A., SEITZ S. and BENDER R.

Abstract (from CDS):

In this paper we present the WeCAPP catalogue of variable stars found in the bulge of M 31. Observations in the WeCAPP microlensing survey (optical R and I bands) for a period of three years (2000-2003) resulted in a database with unprecedented time coverage for an extragalactic variable star study. We detected 23781 variable sources in a 16.1'x16.6' field centered on the nucleus of M 31. The catalogue of variable stars contains the positions, the periods, and the variation amplitudes in the R and I bands. We classified the variables according to their position in the R-band period-amplitude plane. Three groups can be distinguished; while the first two groups can be mainly associated with Cepheid-like variables (population I Cepheids in group I; type II Cepheids and RV Tauri stars in group II), the third one consists of Long Period Variables (LPVs). We detected 37 RV Tauri stars and 11 RV Tauri candidates, which makes this catalogue one of the largest collections of this class of stars to date. The classification scheme is supported by Fourier decomposition of the light curves. Our data shows a correlation of the low-order Fourier coefficients Φ21 with Φ31 for classical Cepheids, as well as for type II Cepheids and RV Tauri stars. Correlating our sample of variable stars with X-ray based catalogues of Kaaret (2002ApJ...578..114K) and Kong et al. (2002ApJ...577..738K) results in 23 and 31 coincidences, 8 and 12 of which are M 31 globular clusters. The number density of detected variables is clearly not symmetric, which has to be included in the calculations of the expected microlensing event rate towards M 31. This asymmetry is due to the enhanced extinction in the spiral arms superimposed on the bulge of M 31, which reduces the number of sources to about 60%, if compared to areas of equivalent bulge brightness without enhanced extinction present.

Abstract Copyright: ∼

Journal keyword(s): galaxies: individual: M 31 - cosmology: dark matter - stars: variables: general - stars: variables: Cepheids - X-rays: stars

VizieR on-line data: <Available at CDS (J/A+A/445/423): table2.dat table2a.dat table2b.dat>

Nomenclature: Table 2: [FRS2006] WeCAPP VNNNNN (Nos V1-V23781).

Status at CDS : All or part of tables of objects could be ingested in SIMBAD with priority 2.

CDS comments: Tables 2a (Cepheids) and 2b (Type II Cepheids) are ingested in SIMBAD.

Simbad objects: 175

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Number of rows : 175
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 [FRS2006] WeCAPP V23336 WV* 00 42 00.000 +41 23 24.70           ~ 1 0
2 [FRS2006] WeCAPP V08082 WV* 00 42 05.090 +41 13 53.90           ~ 1 0
3 BASW 105 WV* 00 42 05.1416654863 +41 10 09.848597888     21.20     ~ 4 0
4 [FRS2006] WeCAPP V23613 cC* 00 42 05.4411244944 +41 22 50.628765144           ~ 2 0
5 [FRS2006] WeCAPP V12782 cC* 00 42 05.7945548472 +41 16 12.884821248           ~ 2 0
6 CXOM31 J004207.0+411719 V* 00 42 07.097 +41 17 19.17           ~ 6 0
7 [FRS2006] WeCAPP V13440 WV* 00 42 07.850 +41 16 40.10           ~ 1 0
8 [FRS2006] WeCAPP V12795 WV* 00 42 09.080 +41 16 19.40           ~ 1 0
9 [M93b] 140 GlC 00 42 09.49 +41 17 45.6 20.017 18.621 17.069 16.064   ~ 25 0
10 [FRS2006] WeCAPP V19444 WV* 00 42 09.570 +41 20 07.20           ~ 1 0
11 2MASS J00421028+4115102 s?r 00 42 10.2966322464 +41 15 10.349555256 22.318 21.114 19.313 18.622 17.505 ~ 13 0
12 [FRS2006] WeCAPP V14768 WV* 00 42 10.730 +41 17 20.20           ~ 1 0
13 [FRS2006] WeCAPP V12736 cC* 00 42 10.7331465432 +41 16 16.677474528           ~ 1 0
14 [FRS2006] WeCAPP V16682 cC* 00 42 11.8332117804 +41 18 20.159482492           ~ 1 0
15 CXOM31 J004212.0+411757 LXB 00 42 12.1 +41 17 58           ~ 6 0
16 Bol 78 GlC 00 42 12.1550530152 +41 17 58.812456840 20.138 19.220 17.817 16.911 16.174 ~ 43 0
17 [FRS2006] WeCAPP V10983 WV* 00 42 12.580 +41 15 23.40           ~ 1 0
18 BASW 125 cC* 00 42 12.7794740664 +41 08 35.452014972     20.70     ~ 4 0
19 [FRS2006] WeCAPP V12320 WV* 00 42 13.230 +41 16 05.90           ~ 1 0
20 [FRS2006] WeCAPP V17430 cC* 00 42 13.58497680 +41 18 45.0961200           ~ 1 0
21 [FRS2006] WeCAPP V02438 WV* 00 42 14.950 +41 10 17.50           ~ 1 0
22 CXOM31 J004215.0+411234 XB? 00 42 15.089 +41 12 34.23           ~ 10 0
23 RX J004215.9+411717 XB? 00 42 15.649 +41 17 21.11           ~ 15 0
24 2MASS J00421604+4115532 s*r 00 42 16.0620541752 +41 15 53.218202184 20.456 19.952 18.210 17.327 16.470 K1I 9 0
25 [FRS2006] WeCAPP V03791 WV* 00 42 16.080 +41 11 17.50           ~ 1 0
26 [FRS2006] WeCAPP V14746 cC* 00 42 18.3924772057 +41 17 12.538634468           ~ 1 0
27 RX J0042.3+4113 LXB 00 42 18.6 +41 14 02           ~ 6 0
28 Bol 86 GlC 00 42 18.6515838696 +41 14 01.999584816 15.985 15.899 15.131 14.661 13.920 ~ 76 0
29 [FRS2006] WeCAPP V20560 cC* 00 42 20.1869649552 +41 20 56.281002324           ~ 2 0
30 [FRS2006] WeCAPP V22718 WV* 00 42 20.56401360 +41 23 54.1148640           ~ 1 0
31 2MASS J00422155+4114197 s?r 00 42 21.5572037424 +41 14 19.721183064 20.615 19.819 18.688 18.109 17.715 ~ 10 0
32 [FRS2006] WeCAPP V01359 WV* 00 42 22.780 +41 09 24.30           ~ 1 0
33 [FRS2006] WeCAPP V06549 WV* 00 42 22.870 +41 13 01.20           ~ 1 0
34 [FRS2006] WeCAPP V09260 WV* 00 42 23.680 +41 14 34.30           ~ 1 0
35 RX J004224.0+411346 XB? 00 42 25.112 +41 13 40.40           ~ 13 0
36 [FRS2006] WeCAPP V23404 WV* 00 42 25.720 +41 23 12.10           ~ 2 0
37 [FRS2006] WeCAPP V13794 WV* 00 42 25.73705280 +41 16 49.1666880           ~ 1 0
38 [FRS2006] WeCAPP V13369 WV* 00 42 25.92919440 +41 16 37.9177320           ~ 1 0
39 [FRS2006] WeCAPP V14805 WV* 00 42 25.940 +41 17 21.60           ~ 1 0
40 CXOM31 J004227.6+412048 V* 00 42 27.619 +41 20 48.69           ~ 6 0
41 [FRS2006] WeCAPP V08000 WV* 00 42 27.750 +41 13 53.20           ~ 1 0
42 [FRS2006] WeCAPP V19781 cC* 00 42 27.8274184320 +41 20 17.569615560           ~ 2 0
43 [FRS2006] WeCAPP V00561 WV* 00 42 28.02949920 +41 08 39.6085560           ~ 1 0
44 [FRS2006] WeCAPP V06292 WV* 00 42 28.990 +41 12 53.60           ~ 1 0
45 [FRS2006] WeCAPP V06326 WV* 00 42 29.390 +41 12 52.70           ~ 1 0
46 [FRS2006] WeCAPP V19511 cC* 00 42 29.9491105776 +41 20 09.872514636           ~ 2 0
47 [FRS2006] WeCAPP V05414 WV* 00 42 30.240 +41 12 22.40           ~ 1 0
48 [FRS2006] WeCAPP V13905 V* 00 42 30.244 +41 16 53.41           ~ 8 0
49 RX J004231.2+411934 LXB 00 42 31.2 +41 19 38           ~ 5 0
50 Bol 107 GlC 00 42 31.2490262592 +41 19 38.842862160 17.00 16.725 15.764 15.171 14.681 ~ 72 0
51 [FRS2006] WeCAPP V11863 V* 00 42 32.515 +41 15 45.62           ~ 4 0
52 [FRS2006] WeCAPP V14374 WV* 00 42 32.870 +41 17 07.90           ~ 1 0
53 [FRS2006] WeCAPP V19301 cC* 00 42 34.3237388904 +41 19 59.272570416           ~ 3 0
54 [FRS2006] WeCAPP V12333 WV* 00 42 34.5651065252 +41 16 08.323033394           ~ 1 0
55 [HPH2013] 93 XB? 00 42 34.771 +41 15 23.32           ~ 6 0
56 [FRS2006] WeCAPP V17366 WV* 00 42 35.620 +41 18 45.30           ~ 1 0
57 CXOM31 J004236.6+411350 V* 00 42 36.6003379776 +41 13 50.257476012   21.4 19.9 18.72 16.8 ~ 12 0
58 [FRS2006] WeCAPP V00992 WV* 00 42 36.75788400 +41 09 03.3225120           ~ 1 0
59 [FRS2006] WeCAPP V02612 WV* 00 42 37.0348328808 +41 10 26.918086764           ~ 1 0
60 [FRS2006] WeCAPP V11221 WV* 00 42 37.460 +41 15 32.00           ~ 1 0
61 [FRS2006] WeCAPP V10604 WV* 00 42 38.5773797631 +41 15 14.505430053           ~ 1 0
62 CXOM31 J004239.5+411428 X 00 42 39.529 +41 14 28.52           ~ 9 0
63 Bol 124 GlC 00 42 41.43 +41 15 23.9 16.153 15.589 14.73 14.060 13.74 ~ 66 0
64 [FRS2006] WeCAPP V01102 WV* 00 42 42.490 +41 09 12.60           ~ 1 0
65 [FRS2006] WeCAPP V19323 WV* 00 42 43.61826480 +41 20 02.5732320         20.563 ~ 3 0
66 [HPH2013] 152 XB? 00 42 43.793 +41 15 14.54           ~ 5 0
67 2MASS J00424414+4117549 No* 00 42 44.144 +41 17 54.90       16.8   ~ 22 0
68 [FRS2006] WeCAPP V20327 WV* 00 42 44.29110720 +41 20 49.1842680           ~ 1 0
69 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 12645 1
70 [FRS2006] WeCAPP V17541 WV* 00 42 44.370 +41 18 52.70           ~ 1 0
71 CXOM31 J004244.8+411739 V* 00 42 44.853 +41 17 40.98           ~ 7 0
72 [FRS2006] WeCAPP V03918 cC* 00 42 45.6601220646 +41 11 24.402678415           ~ 2 0
73 [FRS2006] WeCAPP V22810 WV* 00 42 45.95848560 +41 23 44.2735440           ~ 2 0
74 NAME PB-in7 GlC 00 42 46.0811940504 +41 17 36.209244228 20.30 18.975 18.093 17.560 17.48 ~ 28 0
75 [FRS2006] WeCAPP V22141 cC* 00 42 46.3332413304 +41 22 26.841758952   21.391 21.043     ~ 2 0
76 2MASS J00424684+4116146 AG? 00 42 46.84 +41 16 14.7           ~ 11 0
77 [FRS2006] WeCAPP V05914 WV* 00 42 47.12912880 +41 12 41.0346720           ~ 1 0
78 [FRS2006] WeCAPP V08501 X 00 42 47.16 +41 14 13.4           ~ 3 0
79 M31N 2000-08a No* 00 42 47.45 +41 15 07.7       18.6   ~ 12 0
80 [FRS2006] WeCAPP V21634 WV* 00 42 47.770 +41 21 59.50           ~ 2 0
81 [FRS2006] WeCAPP V02039 WV* 00 42 47.800 +41 10 01.40           ~ 1 0
82 [FRS2006] WeCAPP V08847 WV* 00 42 47.8058646611 +41 14 23.063614780           ~ 1 0
83 CXOM31 J004247.0+411550 XB? 00 42 48.014 +41 15 48.53           ~ 9 0
84 [FRS2006] WeCAPP V16034 WV* 00 42 48.2009355193 +41 17 57.339645515           ~ 1 0
85 [FRS2006] WeCAPP V01141 WV* 00 42 48.27861360 +41 09 15.1519680           ~ 2 0
86 [KGP2002] r1-16 X 00 42 48.715 +41 16 24.64           ~ 6 0
87 CXOM31 J004248.9+412406 SNR 00 42 48.970 +41 24 06.87           ~ 11 0
88 BASW 8 cC* 00 42 49.3657926168 +41 20 48.227467020         18.540 ~ 12 0
89 [FRS2006] WeCAPP V18104 WV* 00 42 50.020 +41 19 13.20           ~ 1 0
90 [FRS2006] WeCAPP V03644 WV* 00 42 50.230 +41 11 15.10           ~ 1 0
91 [FRS2006] WeCAPP V17817 WV* 00 42 50.2713190566 +41 19 03.319440805           ~ 1 0
92 [FRS2006] WeCAPP V08212 WV* 00 42 50.330 +41 14 02.30           ~ 1 0
93 [FRS2006] WeCAPP V22022 WV* 00 42 51.330 +41 22 21.20           ~ 1 0
94 [FRS2006] WeCAPP V16986 WV* 00 42 51.4928262428 +41 18 35.309746942           ~ 1 0
95 [FRS2006] WeCAPP V20505 WV* 00 42 51.790 +41 21 00.00           ~ 1 0
96 [FRS2006] WeCAPP V00558 WV* 00 42 51.8821309121 +41 08 24.747462979           ~ 1 0
97 [FRS2006] WeCAPP V22715 WV* 00 42 52.420 +41 23 58.20           ~ 1 0
98 [FRS2006] WeCAPP V14564 WV* 00 42 52.980 +41 17 17.90           ~ 1 0
99 [FRS2006] WeCAPP V05997 WV* 00 42 53.0447883696 +41 12 40.679956332           ~ 1 0
100 [FRS2006] WeCAPP V23456 WV* 00 42 53.520 +41 22 56.50           ~ 1 0
101 [FRS2006] WeCAPP V21316 WV* 00 42 53.650 +41 21 44.70           ~ 2 0
102 [FRS2006] WeCAPP V23694 cC* 00 42 53.7901361976 +41 22 50.000813472   21.060 20.371     ~ 4 0
103 [FRS2006] WeCAPP V16297 WV* 00 42 54.050 +41 18 10.60           ~ 1 0
104 [FRS2006] WeCAPP V08831 WV* 00 42 54.7117302225 +41 14 22.010722175           ~ 1 0
105 [FRS2006] WeCAPP V21298 WV* 00 42 54.810 +41 21 42.30           ~ 1 0
106 CXOM31 J004255.3+412045 No* 00 42 55.20 +41 20 46.0   17.5       ~ 16 0
107 [FRS2006] WeCAPP V15237 WV* 00 42 56.000 +41 17 36.80           ~ 1 0
108 CXOM31 J004256.9+411844 XB? 00 42 56.914 +41 18 44.37           ~ 10 0
109 [FRS2006] WeCAPP V03796 cC* 00 42 58.2157163136 +41 11 20.181913476         19.658 ~ 5 0
110 [FRS2006] WeCAPP V13063 WV* 00 42 58.250 +41 16 34.20           ~ 1 0
111 [FRS2006] WeCAPP V05043 cC* 00 42 58.76422080 +41 12 10.1957400           ~ 2 0
112 [FRS2006] WeCAPP V03675 WV* 00 42 58.76782080 +41 11 18.5704440           ~ 1 0
113 [FRS2006] WeCAPP V14083 WV* 00 42 59.250 +41 17 03.90           ~ 1 0
114 [FRS2006] WeCAPP V08138 cC* 00 42 59.3382572428 +41 13 59.473433692           ~ 2 0
115 Bol 143 GlC 00 42 59.6426520720 +41 19 19.253372304 17.800 17.075 16.087 15.486 14.94 ~ 82 0
116 Bol 144 GlC 00 42 59.8584082992 +41 16 05.750106096 18.47 17.691 16.727 16.153 15.74 ~ 61 0
117 [MAP97] 65 cC* 00 42 59.9848425600 +41 08 33.939252456     20.28 19.89 20.25 ~ 6 0
118 [FRS2006] WeCAPP V22014 WV* 00 43 01.370 +41 22 21.50           ~ 2 0
119 [FRS2006] WeCAPP V15035 Ce* 00 43 01.7663329091 +41 17 26.368212224           ~ 1 0
120 [FRS2006] WeCAPP V18561 WV* 00 43 02.250 +41 19 34.20           ~ 1 0
121 [FRS2006] WeCAPP V01793 WV* 00 43 02.660 +41 09 46.30           ~ 2 0
122 [FRS2006] WeCAPP V19048 WV* 00 43 02.8229625483 +41 19 51.724265422           ~ 1 0
123 [FRS2006] WeCAPP V07568 cC* 00 43 02.9129515416 +41 13 38.790188796         19.744 ~ 4 0
124 Bol 146 GlC 00 43 02.921 +41 15 22.51 18.34 17.851 16.930 16.348 15.870 ~ 57 1
125 Bol 147 GlC 00 43 03.3010962456 +41 21 21.675453660 17.188 16.563 15.594 15.003 14.73 ~ 70 0
126 [FRS2006] WeCAPP V19816 WV* 00 43 03.800 +41 20 25.90           ~ 1 0
127 Bol 148 GlC 00 43 03.8563107048 +41 18 04.761860328 16.80 16.623 15.799 15.284 14.869 ~ 81 0
128 [FRS2006] WeCAPP V10459 WV* 00 43 03.870 +41 15 13.50           ~ 1 0
129 [FRS2006] WeCAPP V04985 WV* 00 43 03.960 +41 12 09.30           ~ 1 0
130 [FRS2006] WeCAPP V17513 WV* 00 43 04.520 +41 18 53.00           ~ 1 0
131 [FRS2006] WeCAPP V10829 WV* 00 43 04.890 +41 15 20.60           ~ 1 0
132 [FRS2006] WeCAPP V20831 WV* 00 43 05.530 +41 21 19.80           ~ 1 0
133 [FRS2006] WeCAPP V17810 WV* 00 43 05.950 +41 19 06.80           ~ 1 0
134 [FRS2006] WeCAPP V12598 WV* 00 43 06.360 +41 16 18.50           ~ 1 0
135 [FRS2006] WeCAPP V03115 WV* 00 43 06.410 +41 10 50.20           ~ 1 0
136 [FRS2006] WeCAPP V09169 cC* 00 43 06.5555851224 +41 14 30.725524500         18.963 ~ 5 0
137 [FRS2006] WeCAPP V04824 WV* 00 43 07.34300640 +41 12 01.1625120           ~ 1 0
138 Bol 150 GlC 00 43 07.51 +41 20 19.8 18.275 17.644 16.665 16.059 15.508 ~ 44 0
139 RX J0043.1+4112 XB* 00 43 08.687 +41 12 48.30           ~ 17 0
140 [FRS2006] WeCAPP V10905 WV* 00 43 09.39717120 +41 15 25.7074560           ~ 1 0
141 2MASS J00430986+4119006 Gl? 00 43 09.8481275808 +41 19 00.778534248 19.586 18.829 17.723 17.045 16.452 ~ 35 0
142 [FRS2006] WeCAPP V00040 WV* 00 43 10.35325200 +41 08 08.1958920           ~ 2 0
143 Bol 153 GlC 00 43 10.6182973728 +41 14 51.289897920 17.726 17.117 16.148 15.553 14.98 ~ 70 0
144 [FRS2006] WeCAPP V18276 WV* 00 43 11.0028862028 +41 19 20.835830778           ~ 1 0
145 [FRS2006] WeCAPP V14902 WV* 00 43 12.20446080 +41 17 25.5213240           ~ 1 0
146 [FRS2006] WeCAPP V14310 WV* 00 43 12.260 +41 17 10.50           ~ 1 0
147 [FRS2006] WeCAPP V09129 WV* 00 43 12.5499281974 +41 14 31.692764266           ~ 1 0
148 [FRS2006] WeCAPP V17674 WV* 00 43 13.480 +41 18 59.30           ~ 1 0
149 [FRS2006] WeCAPP V01314 cC* 00 43 13.97907120 +41 09 25.2180360       20.67 19.70 ~ 4 0
150 [FRS2006] WeCAPP V05600 WV* 00 43 14.53257600 +41 12 31.4365680           ~ 2 0
151 [FRS2006] WeCAPP V22899 WV* 00 43 14.670 +41 23 44.90           ~ 2 0
152 [FRS2006] WeCAPP V22926 WV* 00 43 14.89309440 +41 23 40.6991040           ~ 2 0
153 [FRS2006] WeCAPP V15451 WV* 00 43 15.760 +41 17 45.40           ~ 1 0
154 RX J0043.2+4118 XB? 00 43 16.165 +41 18 41.73           ~ 10 0
155 [FRS2006] WeCAPP V05037 cC* 00 43 17.4847093304 +41 12 11.648173265       20.60 19.89 ~ 3 0
156 [FRS2006] WeCAPP V09506 WV* 00 43 17.510 +41 14 44.50           ~ 1 0
157 [FRS2006] WeCAPP V20631 WV* 00 43 17.970 +41 21 04.80           ~ 1 0
158 [MAP97] 68 cC* 00 43 18.1778002920 +41 08 19.088378592       19.82 19.46 ~ 5 0
159 [FRS2006] WeCAPP V00129 cC* 00 43 19.74381840 +41 08 10.4450280           ~ 1 0
160 [FRS2006] WeCAPP V00217 cC* 00 43 20.04285360 +41 08 23.0811000           ~ 1 0
161 [FRS2006] WeCAPP V00896 Ce* 00 43 20.16275520 +41 09 05.5546560           ~ 1 0
162 [FRS2006] WeCAPP V02583 cC* 00 43 20.86155840 +41 10 25.1343840       21.18 20.60 ~ 5 0
163 [FRS2006] WeCAPP V00098 cC* 00 43 21.0096995598 +41 08 13.761064437       20.59   ~ 3 0
164 [MAP97] 69 cC* 00 43 21.0506411688 +41 09 05.348097036       19.74 19.051 ~ 6 0
165 [FRS2006] WeCAPP V17377 WV* 00 43 22.21235760 +41 18 50.7024360           ~ 1 0
166 [FRS2006] WeCAPP V11220 WV* 00 43 22.360 +41 15 36.10           ~ 1 0
167 [FRS2006] WeCAPP V20266 WV* 00 43 22.830 +41 20 51.00           ~ 1 0
168 [FRS2006] WeCAPP V22419 WV* 00 43 22.99331760 +41 24 02.5385040           ~ 3 0
169 [JPN2003] V2 cC* 00 43 23.2038389568 +41 10 25.557922416       20.17 19.67 ~ 5 0
170 [FRS2006] WeCAPP V18522 cC* 00 43 23.5945475832 +41 19 29.733440736           ~ 3 0
171 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 11147 1
172 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 7066 0
173 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 17433 0
174 * alf Lyr dS* 18 36 56.33635 +38 47 01.2802 0.03 0.03 0.03 0.07 0.10 A0Va 2687 1
175 NAME Galactic Bulge reg ~ ~           ~ 4299 0

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