FSR 0977

(Riddle 1; Teutsch J0631.9+1151; MWSC 895)

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.77 1.0 0.75 1.0 1.0
C3
N_50
r_50
AB 149 4.9
Summary

FSR 0977 is a rich, very dense object of high C3 quality. It is located at a moderate distance from the Sun, above the mid-plane. It is very well-studied in the literature.

Search object in SciX | Simbad

Positions

Reference RA DEC Plx pmRA pmDE Rv
Dias et al. (2002) 97.963 11.844 – 3.15 0.25 –
Froebrich et al. (2007) 97.963 11.844 – – – –
Kharchenko et al. (2012) 97.965 11.845 – 3.15 0.25 –
Bica et al. (2019) 97.972 11.844 – – – –
Cantat-Gaudin et al. (2020) 97.974 11.865 0.453 0.721 -1.533 –
Dias et al. (2021) 97.975 11.857 0.44 0.7 -1.528 23.464
Hunt & Reffert (2023) 97.968 11.868 0.448 0.684 -1.546 23.756
Cavallo et al. (2024) 97.985 11.859 0.446 – – –
Hunt & Reffert (2024) 97.968 11.868 0.448 0.684 -1.546 23.756
Hu & Soubiran (2025) 97.985 11.859 – – – –
UCC 97.977 11.873 0.439 0.704 -1.542 24.799
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

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Estimated members

FSR 0977 UCC
FSR 0977 HUNT23
FSR 0977 CANTAT20

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Fundamental parameters

Reference Values
Dias et al. (2002) E(B-V)=0.583, Dist=1916.0, Age=8.68
Kharchenko et al. (2012) e_bv=0.583, distance=1916, log_age=8.68
Cantat-Gaudin et al. (2020) AVNN=1, DMNN=11.7, AgeNN=8.93
Dias et al. (2021) Av=1.499, Dist=1776, logage=8.964, [Fe/H]=-0.151
Hunt & Reffert (2023) AV50=1.599, diffAV50=2.377, MOD50=11.505, logAge50=8.791
Cavallo et al. (2024) AV50=1.69, dMod50=11.65, logAge50=8.82, [Fe/H]50=0.12
Hunt & Reffert (2024) MassJ=382.000
Hu & Soubiran (2025) MA22=-0.14, MA23f=-0.34, MA23g=-0.05, MZ23=-0.26, MK24=-0.22, MF24=-0.21

Search coordinates in Bayestar19

Cluster region