RSG7

(OCSN 257)

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.83 1.0 1.0 0.75 0.57
C3
N_50
r_50
AA 303 38.9
Summary

RSG7 is a rich, very dense object of very high C3 quality. It is located at a very close distance from the Sun, near the mid-plane. It is well-studied in the literature.

This is likely a unique object, which shares a moderate percentage of members with at least one previously reported entry, and a large percentage with at least one entry reported in the same catalogue.

Search object in SciX | Simbad

Positions

Reference RA DEC Plx pmRA pmDE Rv
Roser et al. (2016) 343.98 58.66 – 5.74 -0.42 –
Cantat-Gaudin et al. (2018) 344.19 59.363 2.337 4.927 -1.865 –
Soubiran et al. (2018) 344.19 59.363 – – – -11.51
Cantat-Gaudin et al. (2020) 344.19 59.363 2.337 4.927 -1.865 –
Dias et al. (2021) 344.357 59.397 2.316 5.045 -1.692 -10.918
He et al. (2022) 342.217 59.573 2.303 5.129 -1.681 –
Qin et al. (2023) 343.92 59.87 2.37 4.79 -2.19 -9.82
Alfonso et al. (2024) -14.852 59.361 2.105 5.468 -1.667 –
Almeida et al. (2025) 344.357 59.397 – – – –
           
UCC 344.321 59.451 2.255 5.185 -1.775 -11.076
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

Search coordinates in CDS | Simbad

Estimated members

RSG7 UCC
RSG7 CANTAT20

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Fundamental parameters

Reference Values
Roser et al. (2016) E(B-V)=0.06, Dist=457, logt=8.3
Cantat-Gaudin et al. (2018) dmode=422.6
Soubiran et al. (2018) dmode=422.6
Cantat-Gaudin et al. (2020) AVNN=0.57, DistPc=416.0, AgeNN=7.59
Dias et al. (2021) Av=0.703, Dist=423, logage=7.925, [Fe/H]=0.102
He et al. (2022) A0=1.0, logAge=7.55
Qin et al. (2023) E(B-V)=0.25, m-M=8.83, logt=7.9
Alfonso et al. (2024) AV=0.56735, MOD=8.10113, logAge=7.57716, Z=0.10088
Almeida et al. (2025) AV=0.703, Dist=423, logAge=7.925, MassRk=237.7

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster % RA DEC Plx pmRA pmDE Rv UTI
RSG8 91.7 345.08 59.41 2.17 5.45 -1.65 -10.45 0.8
NGC 7429 42.9 344.03 59.88 2.36 4.81 -2.19 -12.68 0.76
CWWDL 14637 16.8 343.95 59.81 2.37 4.78 -2.24 -12.62 0.0
CWWDL 14636 14.9 345.54 59.54 2.04 5.66 -1.67 -9.39 0.0
CWWDL 14638 9.2 344.12 59.28 2.29 5.37 -0.9 -14.39 0.01
CWWDL 14622 2.6 345.68 58.22 2.25 5.43 -1.31 -8.93 0.01