Collinder 311

(VDBH 196; NGC 6200; ESO 277 08; OCL 978; vdBergh-Hagen 196; MWSC 2450)

UTI: UCC Trust Index C_N C_dens C_C3 C_lit C_dup 0.58 1.0 1.0 1.0 1.0 Collinder 311 is a moderately populated, very dense object of very high C3 quality. It is very well-studied in the literature. This object shares a small percentage of members with a later reported entry.
C3	N_50	r_50
AA	67	3.8

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Positions

Reference	RA	DEC	Plx	pmRA	pmDE	Rv
Dambis (1999)	251.025	-47.467	–	–	–	–
Dias et al. (2002)	251.029	-47.463	–	-0.92	-2.37	-20.77
Kharchenko et al. (2012)	251.04	-47.465	–	0.94	-3.8	–
Loktin & Popova (2017)	251.025	-47.464	–	1.361	-3.593	-20.77
Bica et al. (2019)	251.025	-47.468	–	–	–	–
Dias et al. (2021)	251.032	-47.458	0.307	-0.95	-2.244	–
Jaehnig et al. (2021)	251.025	-47.491	0.351	-0.871	-2.236	–
Hunt & Reffert (2023)	251.023	-47.466	0.361	-0.983	-2.292	-14.912
Cavallo et al. (2024)	251.021	-47.481	0.361	–	–	–
Hunt & Reffert (2024)	251.023	-47.466	0.361	-0.983	-2.292	-14.912
UCC	251.019	-47.472	0.347	-0.971	-2.286	-43.355

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Estimated members

1 2

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Fundamental parameters

Reference	Values
Dambis (1999)	E_B-V_=0.591, DM0=11.98, log_age_=7.0
Dias et al. (2002)	E(B-V)=0.581, Dist=2054.0, Age=6.928
Kharchenko et al. (2012)	e_bv=0.541, distance=2214, log_age=7.0
Loktin & Popova (2017)	E(B-V)=0.558, Dmod=11.47, logt=7.038
Dias et al. (2021)	Av=1.858, Dist=2352, logage=7.138, [Fe/H]=0.166
Hunt & Reffert (2023)	AV50=1.769, diffAV50=1.101, MOD50=12.151, logAge50=7.096
Cavallo et al. (2024)	AV50=2.05, dMod50=11.39, logAge50=7.5, [Fe/H]50=-0.59
Hunt & Reffert (2024)	MassJ=1253.96

Search coordinates in Bayestar19

Cluster region

Objects with shared members

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
UBC 318	20.9	251.12	-47.58	0.34	-0.94	-2.23	-43.36	0.14