Collinder 89

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.3 0.37 0.5 0.67 1.0
C3
N_50
r_50
DA 30 7.2
Summary

Collinder 89 is a poorly populated, loose object of intermediate C3 quality. It is located at a relatively close distance from the Sun, above the mid-plane. It is moderately studied in the literature.

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

Search object in SciX | Simbad

Positions

Reference RA DEC Plx pmRA pmDE Rv
Dias et al. (2002) 94.5 23.633 – 0.9 -2.0 24.4
Piskunov et al. (2007) 94.87 23.305 – – – –
Piskunov et al. (2008) 94.87 23.305 – – – –
Kharchenko et al. (2012) 94.8 23.35 – -0.3 -3.65 –
Loktin & Popova (2017) 94.5 23.634 – 0.9 -2.0 26.2
Hunt & Reffert (2023) 94.702 23.17 0.514 0.453 -1.556 -1.843
Cavallo et al. (2024) 94.71 23.125 0.514 – – –
Hunt & Reffert (2024) 94.702 23.17 0.514 0.453 -1.556 -1.843
           
UCC 94.723 23.197 0.522 0.452 -1.537 -1.826
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

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Estimated members

Collinder 89 UCC
Collinder 89 HUNT23

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Fundamental parameters

Reference Values
Dias et al. (2002) E(B-V)=0.48, Dist=800.0, Age=7.5
Piskunov et al. (2007) E(B-V)=0.48, Dist=800, logt=7.5, logM=1.713
Piskunov et al. (2008) E(B-V)=0.48, Dist=800, logt=7.5, logM=2.219, logMA=3.171
Kharchenko et al. (2012) e_bv=0.479, distance=1021, log_age=7.825
Loktin & Popova (2017) E(B-V)=0.48, Dist=573, logt=7.5
Hunt & Reffert (2023) AV50=2.318, diffAV50=0.457, MOD50=11.412, logAge50=7.31
Cavallo et al. (2024) AV50=1.76, dMod50=11.51, logAge50=7.15, [Fe/H]50=0.22
Hunt & Reffert (2024) MassJ=137.124, MassTot=137.124

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster % RA DEC Plx pmRA pmDE Rv UTI
CWWDL 14038 53.3 94.74 23.16 0.52 0.48 -1.58 -1.83 0.04
UBC 1306 46.7 94.62 22.88 0.53 0.45 -1.62 -1.83 0.21