OCSN 231

0.00 UTI

0.86

C_N

1.0

C_dens

1.0

C_C3

0.0

C_lit

0.0

C_dup

N₅₀ (P>50% members) 406

Stellar density (N₅₀/rad) 43.4 [N/pc²]

C3 classification AA

C_N 0.86 Rich
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 231 is a rich, very dense object of very high C3 quality. Its parallax locates it at a very close distance, near the mid-plane, affected by low extinction. It is catalogued as a 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.

Very close Low extinction Young

Data

🔍 Search references for OCSN 231 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–	116.18	-37.966	2.75	-9.632	4.827	14.498
Qin et al.	2023	116.23	-38.01	2.74	-9.62	4.84	15.19

💡 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–	0.44	0.43	–	28	–	–	–	–
Qin et al.	2023	0.44	0.43	–	28	–	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
NGC 2451B	100.0	116.15	-37.95	2.75	-9.62	4.81	14.49	0.98
CWWDL 14591	54.9	116.21	-38.02	2.75	-9.67	4.84	14.61	0.0

💡 Note: The % column shows the percentage of members that OCSN 231 shares with each listed object.

Visualization

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