2015AJ....150...16G


C.D.S. - SIMBAD4 rel 1.7 - 2020.02.26CET00:00:26

2015AJ....150...16G - Astron. J., 150, 16 (2015/July-0)

Stellar multiplicity of the open cluster Melotte 111.

GUERRERO C.A., ORLOV V.G., MONROY-RODRIGUEZ M.A. and BORGES FERNANDES M.

Abstract (from CDS):

We present a high-angular resolution survey for the search of binary and multiple stars in the Galactic open cluster Melotte 111. Combining our own speckle-interferometric observations with data taken from the literature, we found a ratio of the number of single to multiple stars to be 29:8:0:0:0:1 for the most probable members, indicating a multiplicity fraction for this cluster of 25.6%±2%. We also observed field stars in the vicinity of the cluster and estimated a ratio of multiplicities of 286:17:1:0:0:0:1 (between one and seven companions), equivalent to a multiplicity fraction of 5.9%±3%. We showed that the cumulative distribution of separations for our sample stars is in agreement with Öpik's law.

Abstract Copyright:

Journal keyword(s): binaries: close - open clusters and associations: individual: Melotte 111 - techniques: interferometric

VizieR on-line data: <Available at CDS (J/AJ/150/16): table1.dat table2.dat table3.dat table4.dat>

Status in Simbad:  could be processed

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 - 2020
#notes
1 LP 376-80 PM* 12 16 13.3249725166 +25 17 58.784397731   14.36   12.377   ~ 7 0
2 HD 106986 PM* 12 18 09.2275409568 +22 18 42.463331406   9.46   8.6   G0V 5 0
3 HD 107067 SB* 12 18 36.1826339330 +23 07 12.300826797   9.17 8.70     F8 77 0
4 HD 107195 PM* 12 19 24.0396449190 +22 31 34.018170947   9.02   7.9   G6V 7 0
5 BD+29 2279 PM* 12 19 24.0910326997 +28 22 56.540696752   10.705   9.8   M0.5Ve 82 0
6 HD 107398 ** 12 20 41.37473 +27 03 16.3899           F2 18 1
7 HD 107400B PM* 12 20 42.2737802015 +22 54 47.254247920   10.448 9.826     G1V 2 0
8 BD+29 2282 PM* 12 21 56.1793050101 +28 32 30.460953718   10.28   9.5   F8 9 0
9 CCDM J12219+2835B *i* 12 21 56.97 +28 34 25.6     17.7     ~ 1 0
10 Wolf 409 PM* 12 22 21.2733908639 +25 10 11.843514233   12.70   10.903   M0.5Ve 25 0
11 * 12 Com SB* 12 22 30.3107569400 +25 50 46.189595360 5.56 5.30 4.81 4.34 4.01 F6III+A3V 172 0
12 HD 107793 SB* 12 23 08.3998962692 +25 51 04.944115717   9.64 9.09     F9V 92 0
13 Wolf 411 PM* 12 23 34.7133298918 +27 54 47.665005634       10.789   K5V 24 0
14 HD 107877 V* 12 23 41.0101331208 +26 58 47.755002240   8.75 8.35     F6 80 0
15 HD 107935 SB* 12 24 03.4612642884 +25 51 04.381494654   6.917 6.693     Am 79 0
16 WDS J12244+2535AC ** 12 24 26.8 +25 34 56           ~ 4 0
17 CCDM J12244+2534AB ** 12 24 26.80314 +25 34 56.6618   6.79 6.55     A9V(n)kF2mF0 136 1
18 V* IL Com RS* 12 25 02.2563795285 +25 33 38.384769786   8.63 8.14     F8 138 0
19 Cl Melotte 111 OpC 12 25 06.00 +26 06 00.0           ~ 398 0
20 BD+27 2130 SB* 12 26 05.4870 +26 44 38.304   10.60 9.79     K1.6 22 0
21 NLTT 30814 PM* 12 28 04.2994276618 +23 08 36.593218599   10.63   9.5   G5 21 0
22 BD+30 2277 * 12 28 27.5185 +29 52 42.367   11.3 10.1     G7III 12 0
23 HD 108642 SB* 12 28 38.1502568007 +26 13 37.024817133   6.71 6.54     A2m 136 0
24 * 17 Com B SB* 12 28 44.5651117736 +25 53 57.558085264   6.87 6.65     A0p 151 1
25 * 21 Com a2* 12 31 00.5604328922 +24 34 01.806209568   5.496 5.436     A2pv 246 0
26 NGP9 F322-1923349 G 12 31 04.04 +26 20 51.9           ~ 2 0
27 * 22 Com * 12 33 34.2192186914 +24 16 58.742920851   6.363 6.243     A4Vm 133 0
28 * 23 Com ** 12 34 51.0805791 +22 37 45.330256   4.773 4.773     A0IV 114 1
29 HD 109498 PM* 12 34 58.1890566134 +23 08 53.921813698   9.35   8.3   G3V 26 0
30 Wolf 431 PM* 12 37 28.7861448735 +24 14 06.336106017   14.27   12.295   M1 11 0
31 * 37 Com RS* 13 00 16.4672517487 +30 47 06.064425348   6.02 4.88     G9IIICH-2CN-1 150 0

    Equat.    Gal    SGal    Ecl

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2020.02.26-00:00:26

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