1998A&A...333L..27D


Query : 1998A&A...333L..27D

1998A&A...333L..27D - Astronomy and Astrophysics, volume 333, L27-30 (1998/5-2)

Searching for open cluster remnants.

DE LA FUENTE MARCOS R.

Abstract (from CDS):

The likely observational properties of the final stages of the evolution of open clusters are investigated by numerical calculations. It is found that they depend upon the membership of the cluster, the abundance of primordial binaries and the initial mass function. Remnants of poorly populated clusters are relatively easy to identify because of the presence of early-type stars. Remnants of rich open clusters are difficult to detect and might exist in large numbers. Detection of rich open clusters remnants (OCRs) is a big challenge for the largest available telescopes. The existence of a large number of OCRs may be relevant for dark matter in the Galactic disk.

Abstract Copyright:

Journal keyword(s): galaxy: kinematics and dynamics - open clusters and associations: general - dark matter

Simbad objects: 7

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Number of rows : 7
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2022
#notes
1 * sig Ori Y*O 05 38 44.7653828520 -02 36 00.283179888 2.54 3.58 3.79 3.87 4.11 O9.5V 773 0
2 C 1440+697 Cl* 14 40.9 +69 34           ~ 25 0
3 * rho Oph ** 16 25 35.11766 -23 26 49.8150 4.30 4.85 4.63 4.27 3.96 B2IV+B2V 631 0
4 * 67 Oph * 18 00 38.7157893000 +02 55 53.633402904 3.34 3.96 3.93 3.84 3.81 B5I 395 0
5 * 8 Lac B * 22 35 52.0990532376 +39 37 41.339738568 4.61 5.52 5.67 5.88 6.06 B1.Vs 110 0
6 * 8 Lac A Be* 22 35 52.2827504304 +39 38 03.586773768 4.68 5.52 5.69     B1Vne 162 0
7 * 1 Cas * 23 06 36.8178557 +59 25 11.135698 3.93 4.771 4.840     B0.5III 235 0

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2022.05.23-19:13:10

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