OC 0042

0.00 UTI

0.0

C_N

0.6

C_dens

1.0

C_C3

0.0

C_lit

0.0

C_dup

C3 classification AA

Number of members (P>50%) 20

Radius (P>50% members) 4.4 [arcmin]

C_N 0.0 Sparse
C_dens 0.6 Moderately dense
C_C3 1.0 Very high quality
C_lit 0.0 Rarely studied
C_dup 0.0 Very likely duplicate

📥 Members 📊 Colab 🔬 Bayestar19 🔍 CDS 🔍 Simbad 🔍 CDS (α, δ) 🔍 Simbad (α, δ)

Overview

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OC 0042 is a sparse, moderately dense object of very high C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by low extinction. It is catalogued as a metal-rich, very young cluster (see Parameters). It is rarely studied in the literature.

⚠️ Warning: This is very likely a duplicate object, which shares a large percentage of members with at least one previously reported entry. See table with shared members information.

Low extinction Metal-rich Very young

Data

🔍 Search references for OC 0042 in: SciX Simbad

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Reference	Year	RA [deg]	DEC [deg]	Plx [mas]	pmRA [mas/yr]	pmDE [mas/yr]	Rv [km/s]
UCC	–	279.148	-8.133	0.497	-0.096	-2.598	-8.177
Hao et al.	2022	279.174	-8.099	0.516	-0.127	-2.602	–

💡 Note: The UCC values are estimated from its identified members.

Reference	Year	Dist [kpc]	Av [mag]	DAv [mag]	Age [Myr]	[Fe/H] [dex]	Mass [Msun]	Bfr	BSS
Hao et al.	2022	–	0.07	–	3	0.611	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
Collinder 385	100.0	279.12	-8.18	0.46	-0.07	-2.59	16.07	1.0

💡 Note: The % column shows the percentage of members that OC 0042 shares with each listed object.

Visualization

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