Westerlund 1

(OCL 985; ESO 277 12; MWSC 2461)

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.83 1.0 0.75 0.5 1.0
C3
N_50
r_50
AB 305 1.2
Summary

Westerlund 1 is a rich, very dense object of high C3 quality. It is located at a moderate distance from the Sun, near the mid-plane. It is moderately studied in the literature.

Search object in SciX | Simbad

Positions

Reference RA DEC Plx pmRA pmDE Rv
Dias et al. (2002) 251.767 -45.843 – -4.5 -10.01 –
Cantat-Gaudin et al. (2018) 251.76 -45.852 0.252 -2.325 -3.654 –
Bica et al. (2019) 251.763 -45.848 – – – –
Soubiran et al. (2018) 251.76 -45.852 – – – -41.07
Cantat-Gaudin et al. (2020) 251.76 -45.852 0.252 -2.325 -3.654 –
Celli et al. (2024) 251.76 -45.852 – – – –
           
UCC 251.76 -45.853 0.208 -2.282 -3.692 33.125
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

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Estimated members

Westerlund 1 UCC
Westerlund 1 CANTAT20

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Fundamental parameters

Reference Values
Dias et al. (2002) E(B-V)=4.35, Dist=5500.0, Age=6.7
Cantat-Gaudin et al. (2018) dmode=3558.0
Soubiran et al. (2018) dmode=3558.0
Celli et al. (2024) Age=7.9, Mc=22227.1

Search coordinates in Bayestar19

Cluster region map