Bica 2

N_50

r_50

181

4.8

Summary

Bica 2 is a rich, very dense object of very high C3 quality. It is located at a relatively close distance from the Sun, near the mid-plane. It is moderately studied in the literature.

This object shares a small percentage of members with at least one entry reported in the same catalogue.

Search object in SciX | Simbad

Positions

Reference	RA	DEC	Plx	pmRA	pmDE	Rv
Dias et al. (2002)	308.312	41.312	–	-0.49	-3.56	-28.0
Loktin & Popova (2017)	308.31	41.313	–	-0.179	-0.551	-28.0
Dias et al. (2021)	308.315	41.307	0.555	-2.66	-4.378	–
Hunt & Reffert (2023)	308.319	41.301	0.576	-2.691	-4.413	6.897
Cavallo et al. (2024)	308.311	41.302	0.577	–	–	–
Hunt & Reffert (2024)	308.319	41.301	0.576	-2.691	-4.413	6.897
Almeida et al. (2025)	308.315	41.307	–	–	–	–

UCC	308.311	41.299	0.578	-2.684	-4.409	-13.559

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
Dias et al. (2002)	`E(B-V)=1.82, Dist=1800.0, Age=6.6`
Loktin & Popova (2017)	`E(B-V)=1.276, Dist=1638, logt=7.61`
Dias et al. (2021)	`Av=4.126, Dist=1550, logage=6.746, [Fe/H]=0.1`
Hunt & Reffert (2023)	`AV50=5.588, diffAV50=2.99, MOD50=11.116, logAge50=6.548`
Cavallo et al. (2024)	`AV50=4.71, dMod50=11.14, logAge50=6.71, [Fe/H]50=0.52`
Hunt & Reffert (2024)	`MassJ=1653.60, MassTot=1653.60`
Almeida et al. (2025)	`AV=4.126, Dist=1550, logAge=6.746, MassRk=1071.7`

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
Cyg OB2	95.6	308.31	41.3	0.58	-2.72	-4.41	-8.19	0.14
FSR 0238	18.8	308.63	41.39	0.59	-2.84	-4.53	-27.33	0.87
FSR 0236	6.1	308.15	41.43	0.57	-2.41	-4.11	55.7	0.66
G 80.35+0.72	2.8	308.43	41.38	0.54	-2.83	-4.13	-4.79	0.16
OC 0129	2.8	308.06	41.46	0.58	-2.53	-4.04	57.08	0.25
OC 0128	0.6	307.98	40.8	0.58	-2.97	-4.4	38.32	0.7