NGC 1977

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UCC G208.4-19.1a

C3
N_50
r_50
AC 195 14.8

Search object in NASA/SAO ADS | Simbad

Positions

Reference RA DEC Plx pmRA pmDE Rv
Dias et al. (2002) 83.817 -4.82 3.24 1.34 8.97
Loktin & Popova (2017) 83.82 -4.819 3.24 1.34 26.4
Cantat-Gaudin et al. (2020) 83.815 -4.819 2.521 1.271 -0.753
Donor et al. (2020) 83.888 -4.83 1.09 -0.91 29.6
Dias et al. (2021) 83.77 -4.787 2.523 1.218 -0.701 29.36
He et al. (2022) 83.846 -5.273 2.495 1.417 -0.189
Alfonso et al. (2024) 83.807 -4.792 2.507 1.263 -0.446
UCC 83.838 -4.862 2.53 1.262 -0.712 23.871

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Estimated members

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Fundamental parameters

Reference Values
Dias et al. (2002) E(B-V)=0.05, Dist=500.0, Age=7.08
Loktin & Popova (2017) E(B-V)=0.1, Dmod=8.191, logt=6.83
Cantat-Gaudin et al. (2020) AVNN=1.64, DMNN=8.05, AgeNN=7.99
Donor et al. (2020) Fe/H=-0.21
Dias et al. (2021) Av=0.344, Dist=381, logage=6.721, [Fe/H]=-0.184
Tarricq et al. (2022) Dist=401, logAgeNN=7.99
He et al. (2022) A0=0.05, logAge=6.55
Alfonso et al. (2024) AV=1.63994, MOD=8.03465, logAge=7.97590, Z=-0.1834

Search coordinates in Bayestar19

Cluster region


Objects with shared members

Cluster % RA DEC Plx pmRA pmDE Rv
OCSN 225 95.4 83.84 -4.962 2.554 1.254 -0.081 22.732
UBC 621 88.7 83.83 -4.858 2.534 1.247 -0.724 22.953
OCSN 244 41.5 83.825 -5.423 2.537 1.306 0.345 22.673