OC 0209

0.46 UTI

0.29

C_N

1.0

C_dens

1.0

C_C3

0.0

C_lit

1.0

C_dup

C3 classification AA

Number of members (P>50%) 29

Radius (P>50% members) 7.5 [arcmin]

C_N 0.29 Poorly populated
C_dens 1.0 Very dense
C_C3 1.0 Very high quality
C_lit 0.0 Rarely studied
C_dup 1.0 Unique

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

Overview

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OC 0209 is a poorly populated, very dense object of very high C3 quality. Its parallax locates it at a very close distance, above the mid-plane, affected by high extinction. It is catalogued as a near-solar metallicity, very young cluster (see Parameters). It is rarely studied in the literature.

Note: This object shares a large percentage of members with 3 later reported entries. See table with shared members information.

High extinction Near-solar metallicity Very young

Data

🔍 Search references for OC 0209 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	–	341.353	75.109	2.906	7.339	0.289	-16.689
Hao et al.	2022	341.165	75.113	2.93	7.196	0.41	-17.791

💡 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	–	4.13	–	8	0.498	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
LDN 1251	100.0	340.96	75.2	2.9	7.34	0.48	-34.04	0.45
Theia 11	93.1	341.52	75.13	2.91	7.39	0.29	-16.69	0.0
OCSN 39	86.2	340.59	75.18	2.9	7.07	0.65	-48.18	0.0

💡 Note: The % column shows the percentage of members that OC 0209 shares with each listed object.

Visualization

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