Stock 20

UTI: UCC Trust Index C_N C_dens C_C3 C_lit C_dup 0.74 1.0 1.0 0.86 1.0
C3	N_50	r_50
AA	98	3.4

Summary

Stock 20 is a moderately populated, very dense object of very high C3 quality. It is located at a moderate distance from the Sun, near the mid-plane. It is well-studied in the literature.

Search object in SciX | Simbad

Positions

Reference	RA	DEC	Plx	pmRA	pmDE	Rv
Dias et al. (2002)	6.312	62.617	–	-2.53	2.51	–
Piskunov et al. (2008)	6.299	62.618	–	–	–	–
Kharchenko et al. (2012)	6.314	62.602	–	-2.56	-3.24	–
Loktin & Popova (2017)	6.315	62.617	–	-2.66	-3.132	–
Cantat-Gaudin et al. (2018)	6.318	62.624	0.342	-3.237	-1.124	–
Cantat-Gaudin et al. (2020)	6.318	62.624	0.342	-3.237	-1.124	–
Dias et al. (2021)	6.309	62.615	0.345	-3.235	-1.129	–
Hunt & Reffert (2023)	6.311	62.626	0.353	-3.194	-1.157	-53.804
Cavallo et al. (2024)	6.446	62.704	0.354	–	–	–
Celli et al. (2024)	6.318	62.624	–	–	–	–
Hunt & Reffert (2024)	6.311	62.626	0.353	-3.194	-1.157	-53.804
Almeida et al. (2025)	6.309	62.615	–	–	–	–
UCC	6.322	62.627	0.356	-3.227	-1.173	-71.883

Galactocentric position

How are the galactocentric plots generated?

Search coordinates in CDS | Simbad

Estimated members

1 2 3

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Fundamental parameters

Reference	Values
Dias et al. (2002)	E(B-V)=0.2, Dist=1100.0, Age=8.337
Piskunov et al. (2008)	E(B-V)=0.2, Dist=909, logt=8.53, logMA=1.974
Kharchenko et al. (2012)	e_bv=0.2, distance=1100, log_age=8.337
Loktin & Popova (2017)	E(B-V)=0.276, Dist=2148, logt=8.17
Cantat-Gaudin et al. (2018)	dmode=2691.8
Cantat-Gaudin et al. (2020)	AVNN=1.09, DistPc=2598.0, AgeNN=7.28
Dias et al. (2021)	Av=1.483, Dist=2566, logage=7.124, [Fe/H]=-0.1
Hunt & Reffert (2023)	AV50=1.119, diffAV50=1.479, MOD50=12.111, logAge50=7.386
Cavallo et al. (2024)	AV50=1.39, dMod50=11.89, logAge50=7.22, [Fe/H]50=-0.2
Celli et al. (2024)	Age=19.1, Mc=254.1
Hunt & Reffert (2024)	MassJ=483.945, MassTot=677.592
Almeida et al. (2025)	AV=1.483, Dist=2566, logAge=7.124, MassRk=354.2

Search coordinates in Bayestar19

Cluster region map