2001A&A...371..123B

Query : 2001A&A...371..123B

2001A&A...371..123B - Astronomy and Astrophysics, volume 371, 123-132 (2001/5-3)

A search for peculiar objects in young open clusters. II. A new Be star, the optical counterpart of IRAS 19564+3224 and a new open cluster in Vulpecula.

BERNABEI S. and POLCARO V.F.

Abstract (from CDS):

A serendipitous sky field in Vulpecula was observed with Johnson BVR photometry and slitless spectroscopy in the 5600-8000Å range, looking for emission line and late spectral type stars. We discovered that the B2V star LS II +32° 9, most probably a member of the Vul OB4 association, is now an Hα emitter. Furthermore, we identified the optical counterpart of the IRAS source IRAS 19564+3224 as a C star. Photometric study of the surrounding stellar field revealed that this object lies inside the sky area of a previously undetected open cluster of intermediate age. We discuss the possible cluster membership of the Carbon star and its implications. Some hints about the galactic structure along the line of sight of the observed field are also give

Abstract Copyright: ∼

Journal keyword(s): stars: carbon stars - stars: evolution - stars: emission-line, Be - stars: individual LS II +32 9 - open clusters and associations

Nomenclature: NAME LOIANO 1. p.126: Cl* NGC 6871 BP NN (No. 10) added. Table 3: [BP2001] NN (Nos 1-75).

CDS comments: in ref list FABREGAT J., REGLERO V., 1990MNRAS.247..407F instead of 249.414

Simbad objects: 80

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Number of rows : 80
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 Ass Vul OB 4 As* 19 43.1 +24 34           ~ 28 0
2 Ass Vul OB 1 As* 19 44.0 +24 13           ~ 98 0
3 Ass Vul OB 2 As* 19 47.6 +28 49           ~ 28 0
4 2MASS J19580537+3232024 * 19 58 05.3772072336 +32 32 02.420250108     16.7     ~ 1 0
5 [BP2001] 40 * 19 58 08.63 +32 32 07.2     16.6     ~ 1 0
6 2MASS J19580878+3232166 * 19 58 08.7797023080 +32 32 16.658687184     15.9     ~ 1 0
7 2MASS J19580946+3231189 * 19 58 09.46 +32 31 18.9     17.2     ~ 1 0
8 2MASS J19580965+3232333 * 19 58 09.6483759240 +32 32 33.419083380     17.8     ~ 1 0
9 2MASS J19580986+3231599 * 19 58 09.8654048904 +32 31 59.933340336     17.1     ~ 1 0
10 2MASS J19581024+3231000 * 19 58 10.2465276312 +32 31 00.066863388     17.0     ~ 1 0
11 GSC 02674-02181 * 19 58 10.2596633424 +32 30 21.353334516     11.9     ~ 1 0
12 2MASS J19581027+3232344 * 19 58 10.2713307864 +32 32 34.426037220     17.5     ~ 1 0
13 ATO J299.5429+32.5641 EB* 19 58 10.3065012504 +32 33 51.013160928     15.7     ~ 2 0
14 2MASS J19581071+3231509 * 19 58 10.7121716256 +32 31 50.913038964     17.6     ~ 1 0
15 [BP2001] 48 * 19 58 11.04 +32 33 05.5     16.9     ~ 1 0
16 2MASS J19581111+3232449 * 19 58 11.1056831496 +32 32 44.936584584     17.4     ~ 1 0
17 2MASS J19581136+3232309 * 19 58 11.3525635968 +32 32 30.972992532     16.8     ~ 1 0
18 GSC 02674-02331 * 19 58 11.4348918720 +32 32 58.135766856   14.39 12.70 12.13   ~ 3 0
19 2MASS J19581195+3230298 * 19 58 11.9535241920 +32 30 29.856002724     14.5     ~ 1 0
20 2MASS J19581254+3232037 * 19 58 12.5475931200 +32 32 03.675767712     14.8     ~ 1 0
21 2MASS J19581266+3231333 * 19 58 12.66 +32 31 33.3     16.6     ~ 1 0
22 [BP2001] 35 * 19 58 12.67 +32 31 15.8     16.1     ~ 1 0
23 2MASS J19581343+3230439 * 19 58 13.43 +32 30 43.9     17.4     ~ 1 0
24 2MASS J19581368+3230359 * 19 58 13.6809392208 +32 30 35.920013004     16.9     ~ 1 0
25 SDSS J195813.74+323318.4 WD? 19 58 13.7238821352 +32 33 18.094889880   16.75 16.99     ~ 6 0
26 2MASS J19581384+3230262 * 19 58 13.8442225512 +32 30 26.197243164     17.3     ~ 1 0
27 2MASS J19581411+3234057 * 19 58 14.1127009728 +32 34 05.674966464     16.3     ~ 1 0
28 V* V2306 Cyg XB* 19 58 14.4693586728 +32 32 42.003103200 15.16 15.94 15.71 15.76   ~ 65 0
29 2MASS J19581449+3233528 * 19 58 14.4972038592 +32 33 52.813848168     16.7     ~ 1 0
30 2MASS J19581458+3232054 * 19 58 14.5772432136 +32 32 05.540053812     17.7     ~ 1 0
31 2MASS J19581473+3233066 * 19 58 14.7288940128 +32 33 06.585431904   16.28 15.69     ~ 5 0
32 2MASS J19581484+3231187 * 19 58 14.8485182496 +32 31 18.746034312     16.8     ~ 1 0
33 2MASS J19581490+3232342 * 19 58 14.9010807864 +32 32 34.237395096     16.6     ~ 2 0
34 [BP2001] 53 * 19 58 15.14 +32 32 30.0     16.2     ~ 2 0
35 2MASS J19581546+3232175 * 19 58 15.4605846552 +32 32 17.535677208     17.1     ~ 1 0
36 2MASS J19581547+3231271 * 19 58 15.4663738512 +32 31 27.103760580     17.2     ~ 1 0
37 2MASS J19581546+3232009 * 19 58 15.4681992264 +32 32 00.879295092     15.9     ~ 2 0
38 2MASS J19581553+3230474 * 19 58 15.5367600792 +32 30 47.386235376     16.2     ~ 1 0
39 2MASS J19581563+3232239 * 19 58 15.6274078200 +32 32 23.875947888     17.7     ~ 1 0
40 2MASS J19581605+3232540 * 19 58 16.06 +32 32 54.0   17.49 16.68     ~ 3 0
41 TYC 2674-2085-1 * 19 58 16.0648894992 +32 31 23.425333392   12.52 12.15     ~ 1 0
42 2MASS J19581614+3233168 * 19 58 16.1435837304 +32 33 16.778659824     17.8     ~ 1 0
43 2MASS J19581644+3232593 * 19 58 16.4357539320 +32 32 59.352261396     17.4     ~ 1 0
44 2MASS J19581657+3232047 * 19 58 16.5775951704 +32 32 04.710653916     16.7     ~ 1 0
45 TYC 2674-2841-1 * 19 58 16.6770405552 +32 33 07.259296968   12.92 11.90     ~ 2 0
46 2MASS J19581689+3232188 * 19 58 16.8907675560 +32 32 18.821119524     16.7     ~ 1 0
47 2MASS J19581703+3231433 * 19 58 17.0391421728 +32 31 43.096003680     17.5     ~ 1 0
48 2MASS J19581728+3234051 * 19 58 17.2798825872 +32 34 05.161637424     16.9     ~ 1 0
49 NAME Loiano 1 OpC 19 58 17 +32 33.0           ~ 9 0
50 2MASS J19581734+3231095 * 19 58 17.3375446224 +32 31 09.512721948     15.7     ~ 1 0
51 2MASS J19581770+3230516 * 19 58 17.6969735928 +32 30 51.665442300     17.4     ~ 1 0
52 2MASS J19581789+3231294 * 19 58 17.89 +32 31 29.5     17.2     ~ 1 0
53 2MASS J19581812+3233285 * 19 58 18.1223802336 +32 33 28.439244936     17.4     ~ 1 0
54 GSC 02674-02151 * 19 58 18.6372249408 +32 33 03.440580300     13.6     ~ 1 0
55 2MASS J19581899+3232098 * 19 58 18.9997957872 +32 32 09.770840196     17.3     ~ 1 0
56 [BP2001] 21 * 19 58 19.48 +32 31 37.3     17.4     ~ 1 0
57 2MASS J19581953+3231549 * 19 58 19.5350347032 +32 31 54.846864264     16.0     ~ 1 0
58 2MASS J19581964+3233311 LP? 19 58 19.6421751992 +32 33 31.028372696     14.7     ~ 2 0
59 GSC 02674-03045 * 19 58 20.6339685168 +32 30 58.736507868     13.9     ~ 1 0
60 2MASS J19582103+3232409 * 19 58 21.0239552448 +32 32 40.959899340     16.0     ~ 1 0
61 [BP2001] 5 * 19 58 21.08 +32 32 32.6     17.6     ~ 1 0
62 Kiso C7-155 C* 19 58 21.2883072384 +32 32 27.839702328   16.64 14.28     C 5 0
63 [BP2001] 19 * 19 58 21.35 +32 31 02.8     17.3     ~ 1 0
64 [BP2001] 6 * 19 58 21.36 +32 32 08.3     17.3     ~ 1 0
65 2MASS J19582182+3232578 * 19 58 21.8219635128 +32 32 57.752211732     15.1     ~ 1 0
66 2MASS J19582252+3233030 * 19 58 22.5168906000 +32 33 03.039678540     17.7     ~ 1 0
67 2MASS J19582296+3233304 * 19 58 22.9625548920 +32 33 30.445812324     17.6     ~ 1 0
68 2MASS J19582331+3230401 * 19 58 23.3079465624 +32 30 40.131738576     16.5     ~ 1 0
69 2MASS J19582342+3232204 * 19 58 23.4143218320 +32 32 20.378623272     16.6     ~ 1 0
70 2MASS J19582365+3233120 * 19 58 23.66 +32 33 12.1     17.5     ~ 1 0
71 2MASS J19582403+3232483 * 19 58 24.0307638048 +32 32 48.310674972     16.2     ~ 1 0
72 2MASS J19582491+3234034 * 19 58 24.9146777112 +32 34 03.412149636     14.3     ~ 1 0
73 2MASS J19582553+3232590 * 19 58 25.5383115816 +32 32 59.100652176     16.4     ~ 1 0
74 TYC 2674-3631-1 * 19 58 25.7074260360 +32 33 21.104094420   11.88 11.00     ~ 1 0
75 2MASS J19582572+3232434 * 19 58 25.7254774512 +32 32 43.436728968     16.3     ~ 1 0
76 2MASS J19582608+3232269 * 19 58 26.0875292040 +32 32 26.870297820     16.3     ~ 1 0
77 2MASS J19582692+3232445 * 19 58 26.9245315728 +32 32 44.504695104     15.2     ~ 1 0
78 2MASS J19582696+3231389 * 19 58 26.9639388504 +32 31 38.945492076     15.9     ~ 1 0
79 LS II +32 9 Em* 19 58 54.2814898968 +32 36 07.795721196 12.33 12.37 11.71     B2V 11 0
80 [BP2001] 69 * ~ ~     17.1     ~ 1 0

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