Ruprecht 155

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.0 0.03 0.75 0.0 1.0
C3
N_50
r_50
AB 14 7.8
Summary

Ruprecht 155 is a sparse, very loose object of high C3 quality. It is located at a moderate distance from the Sun, near the mid-plane. It is rarely studied in the literature, with no articles listed in the last 13 years.

This object shares a small percentage of members with 2 later reported entries.

Warning: contains less than 25 stars with P>0.5 estimated.

Warning: the low UTI value and no obvious signs of duplication (C_dup=1.0) indicates that this is quite probably an asterism, moving group, or artifact, and not a real open cluster.

Search object in SciX | Simbad

Positions

Reference RA DEC Plx pmRA pmDE Rv
Kharchenko et al. (2012) 121.267 -31.817 – 0.61 0.71 –
           
UCC 121.273 -31.81 0.253 -2.442 2.807 –
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

Search coordinates in CDS | Simbad

Estimated members

Ruprecht 155 UCC

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Fundamental parameters

Reference Values
Kharchenko et al. (2012) e_bv=0.562, distance=2311, log_age=8.57

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster % RA DEC Plx pmRA pmDE Rv UTI
FoF 204 24.0 121.44 -31.6 0.24 -2.45 2.85 – 0.27
HSC 2006 20.0 121.46 -31.6 0.25 -2.46 2.83 – 0.11