HSC 684

UTI: UCC Trust Index C_N C_dens C_C3 C_lit C_dup 0.0 0.1 0.38 0.33 1.0
C3	N_50	r_50
BC	17	11.4

Summary

HSC 684 is a sparse, very loose object of low C3 quality. It is located at a relatively close distance from the Sun, below the mid-plane. It was recently reported in the literature.

Warning: contains less than 25 stars with P>0.5 estimated.

Search object in SciX | Simbad

Positions

Reference	RA	DEC	Plx	pmRA	pmDE	Rv
Hunt & Reffert (2023)	320.545	42.35	0.572	-0.988	-1.946	–
Cavallo et al. (2024)	320.474	42.431	0.576	–	–	–
Hunt & Reffert (2024)	320.545	42.35	0.572	-0.988	-1.946	–
Hu & Soubiran (2025)	320.474	42.431	–	–	–	–
UCC	320.475	42.349	0.567	-0.966	-1.954	–

Galactocentric position

How are the galactocentric plots generated?

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Estimated members

1 2

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Fundamental parameters

Reference	Values
Hunt & Reffert (2023)	AV50=0.979, diffAV50=1.142, MOD50=11.114, logAge50=8.391
Cavallo et al. (2024)	AV50=0.75, dMod50=11.23, logAge50=8.87, [Fe/H]50=0.33
Hunt & Reffert (2024)	MassJ=54.0995, MassTot=70.1981
Hu & Soubiran (2025)	MA22=-0.09, MA23f=-0.25, MZ23=0.03, MK24=-0.05, MF24=-0.11

Search coordinates in Bayestar19

Cluster region map