OCSN 223

0.00 UTI

0.74

C_N

1.0

C_dens

1.0

C_C3

0.0

C_lit

0.0

C_dup

N₅₀ (P>50% members) 97

Stellar density (N₅₀/rad) 72.8 [N/pc²]

C3 classification AA

C_N 0.74 Moderately populated
C_dens 1.0 Very dense
C_C3 1.0 Very high quality
C_lit 0.0 Rarely studied
C_dup 0.0 Very likely duplicate

📥 Members 📊 Colab 🔬 Bayestar19

MOCA 🔍 CDS 🔍 Simbad 🔍 CDS (α, δ) 🔍 Simbad (α, δ)

Overview

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OCSN 223 is a moderately populated, very dense object of very high C3 quality. Its parallax locates it at a very close^* distance, below the mid-plane, affected by moderate extinction. It is catalogued as a very young cluster (see Parameters). It was recently reported 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.

(*): The parallax distance estimate (~0.30 kpc) differs significantly from the median photometric distance (~0.62 kpc).

Close Moderate extinction Very young

Data

🔍 Search references for OCSN 223 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	99999–	52.239	31.277	3.377	7.413	-9.587	8.453
Qin et al.	2023	52.24	31.3	3.38	7.37	-9.06	13.39

💡 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]	B_frac	BSS
UCC	99999–	0.62	1.86	–	6	–	–	–	–
Qin et al.	2023	0.62	1.86	–	6	–	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
NGC 1333	100.0	52.28	31.27	3.38	7.39	-9.29	10.82	0.75
HSC 1250	14.4	52.44	31.08	3.39	7.54	-8.24	9.46	0.0

💡 Note: The % column shows the percentage of members that OCSN 223 shares with each listed object.

Visualization

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