Platais 12

(HIP 67440 Group; MWSC 2173)

UTI: UCC Trust Index C_N C_dens C_C3 C_lit C_dup 0.81 1.0 0.75 0.75 1.0
C3	N_50	r_50
AB	257	36.5

Summary

Platais 12 is a rich, very dense object of 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 object shares a significant percentage of members with 2 later reported entries.

Search object in SciX | Simbad

Positions

Reference	RA	DEC	Plx	pmRA	pmDE	Rv
Piskunov et al. (2007)	208.12	-63.366	–	–	–	–
Piskunov et al. (2008)	208.12	-63.366	–	–	–	–
Kharchenko et al. (2012)	208.148	-63.405	–	-8.05	-4.62	–
Loktin & Popova (2017)	207.93	-63.453	–	-8.29	-5.04	-12.0
Bica et al. (2019)	207.912	-63.45	–	–	–	–
He et al. (2022)	207.406	-63.7	2.236	-8.435	-5.365	–
Hunt & Reffert (2023)	207.919	-63.454	2.219	-8.31	-5.409	-12.249
Cavallo et al. (2024)	207.421	-63.578	2.224	–	–	–
Hunt & Reffert (2024)	207.919	-63.454	2.219	-8.31	-5.409	-12.249
UCC	208.015	-63.535	2.221	-8.347	-5.437	-11.95

Galactocentric position

How are the galactocentric plots generated?

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Estimated members

1 2

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Fundamental parameters

Reference	Values
Piskunov et al. (2007)	E(B-V)=0.1, Dist=435, logt=8.23, logM=3.38
Piskunov et al. (2008)	E(B-V)=0.1, Dist=435, logt=8.23, logM=3.669, logMA=3.507
Kharchenko et al. (2012)	e_bv=0.135, distance=491, log_age=8.4, metallicity=0.027
Loktin & Popova (2017)	E(B-V)=0.1, Dist=424, logt=8.23
He et al. (2022)	A0=0.55, logAge=7.9
Hunt & Reffert (2023)	AV50=0.233, diffAV50=0.682, MOD50=8.159, logAge50=8.168
Cavallo et al. (2024)	AV50=0.71, dMod50=8.29, logAge50=7.94, [Fe/H]50=0.14
Hunt & Reffert (2024)	MassJ=213.248, MassTot=431.959

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
OCSN 90	73.2	207.81	-63.57	2.24	-8.39	-5.43	-11.95	0.02
CWWDL 14613	35.0	207.78	-63.51	2.24	-8.38	-5.46	-11.95	0.0