1997A&A...324...91M

Query : 1997A&A...324...91M

1997A&A...324...91M - Astronomy and Astrophysics, volume 324, 91-96 (1997/8-1)

Red giants in open clusters. VII. Melotte 71.

MERMILLIOD J.-C., CLARIA J.J., ANDERSEN J. and MAYOR M.

Abstract (from CDS):

New CORAVEL radial-velocity observations and UBV photometry of 24 red giants in the field of the intermediate-age open cluster Mel 71 are analysed for membership and duplicity. The membership of 16 stars is confirmed, one star is a possible member, and 8 spectroscopic binaries have been discovered, all amongst the cluster stars. Four of their orbits have been determined, with periods ranging from 74 to 1627 days. The mean cluster velocity is +50.14±0.14 (s.e.)km/s, and the binary frequency is unusually high (8/16=50%). The best isochrone fit to the observed colour-magnitude digram is obtained for logt=9.00 and Z=0.008. However, some discrepancies appear between the observed and predicted locations of the red giant clump.

Abstract Copyright: ∼

Journal keyword(s): cluster: open - individual: Mel 71 (Cl Melotte 71) - binaries: spectroscopic - HR diagram

VizieR on-line data: <Available at CDS (J/A+A/324/91): table4>

Simbad objects: 25

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Number of rows : 25
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 Cl* Melotte 71 MMU 242 * 07 37 09.1825375704 -12 01 20.012979828   13.82 12.800     ~ 3 0
2 Cl* Melotte 71 MMU 98 * 07 37 12.2050246224 -12 02 36.734965620   11.28 9.880     ~ 3 0
3 BD-11 2026 * 07 37 19.3474526904 -12 05 49.497499860   11.00 9.44     ~ 9 0
4 2MASS J07372136-1204047 RG* 07 37 21.3640097232 -12 04 04.852131204   13.11 11.47     ~ 20 0
5 2MASS J07372210-1205264 RG* 07 37 22.1046487848 -12 05 26.509959888   14.419 13.313     ~ 20 0
6 Cl* Melotte 71 MMU 114 * 07 37 23.3310036024 -12 03 15.058161612   13.02 11.27     ~ 4 0
7 Cl* Melotte 71 MMU 110 SB* 07 37 24.7574586960 -12 04 32.647571832   13.719 12.763     ~ 10 0
8 Cl* Melotte 71 MMU 118 SB* 07 37 25.0633394832 -12 02 24.046340028   13.915 13.033     ~ 11 0
9 Cl* Melotte 71 MMU 69 * 07 37 27.7876206552 -12 08 21.886276236   12.692 11.525 10.41 10.543 ~ 11 0
10 Cl* Melotte 71 MMU 127 * 07 37 28.4060063280 -12 03 55.921551192   13.00 11.95     ~ 8 0
11 2MASS J07372915-1205277 RG* 07 37 29.1557407464 -12 05 27.695025852   14.328 13.225     ~ 16 0
12 Cl* Melotte 71 MMU 121 * 07 37 29.9573315112 -12 02 22.901550792   13.825 12.800     ~ 10 0
13 Cl* Melotte 71 MMU 130 * 07 37 30.0521376696 -12 04 23.530297008   13.786 12.687     ~ 12 0
14 Cl* Melotte 71 MMU 213 * 07 37 30.9277509624 -12 01 06.012932880   14.26 13.290     ~ 11 0
15 Cl Melotte 71 OpC 07 37 31.9 -12 03 54   7.44 7.1     ~ 131 0
16 2MASS J07373277-1201052 RG* 07 37 32.7745937208 -12 01 05.303302068   14.237 13.189     ~ 16 0
17 Cl* Melotte 71 MMU 145 * 07 37 35.3264406960 -12 03 26.137580724   14.284 13.234     ~ 8 0
18 Cl* Melotte 71 MMU 29 SB* 07 37 35.4700798032 -12 04 38.195544144   13.436 12.618     ~ 9 0
19 Cl* Melotte 71 MMU 151 SB* 07 37 35.6108242872 -12 02 54.229448616   13.834 12.852     ~ 10 0
20 Cl* Melotte 71 HAS 160 * 07 37 38.0349131112 -12 02 29.457913740   13.544 12.617     ~ 10 0
21 Cl* Melotte 71 MMU 23 * 07 37 42.4219976640 -12 04 54.559294572   11.75 10.78     ~ 10 0
22 2MASS J07374269-1207058 RG* 07 37 42.6950815368 -12 07 05.903456088   12.68 11.880     ~ 22 0
23 Cl* Melotte 71 HAS 185 * 07 37 43.1072632200 -12 00 42.011511480   13.14 11.90     ~ 4 0
24 Cl* Melotte 71 MMU 180 * 07 37 49.1476287528 -11 59 24.928201572   12.30 11.00     ~ 4 0
25 Cl* Melotte 71 HAS 3 * 07 37 57.7891920408 -12 06 39.475029276   12.97 12.140     ~ 9 0

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