OC 0557

UTI: UCC Trust Index C_N C_dens C_C3 C_lit C_dup 0.0 1.0 0.75 0.33 1.0
C3	N_50	r_50
AB	23	4.4

Summary

OC 0557 is a sparse, very dense object of high 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
Hao et al. (2022)	163.067	-64.48	0.607	-7.618	2.204	–
Hunt & Reffert (2023)	163.072	-64.473	0.613	-7.825	2.176	-10.196
Cavallo et al. (2024)	163.088	-64.475	0.617	–	–	–
Hunt & Reffert (2024)	163.072	-64.473	0.613	-7.825	2.176	-10.196
UCC	163.108	-64.469	0.609	-7.814	2.174	-12.055

Galactocentric position

How are the galactocentric plots generated?

Search coordinates in CDS | Simbad

Estimated members

1 2

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Fundamental parameters

Reference	Values
Hao et al. (2022)	AG=1.16, age=8.4, Z=0.028
Hunt & Reffert (2023)	AV50=0.963, diffAV50=0.341, MOD50=10.985, logAge50=8.098
Cavallo et al. (2024)	AV50=1.36, dMod50=10.62, logAge50=8.3, [Fe/H]50=-0.46
Hunt & Reffert (2024)	MassJ=109.561, MassTot=132.776

Search coordinates in Bayestar19

Cluster region map