OCSN 249

0.00 UTI

0.75

C_N

1.0

C_dens

1.0

C_C3

0.0

C_lit

0.0

C_dup

N₅₀ (P>50% members) 103

Stellar density (N₅₀/rad) 19.9 [N/pc²]

C3 classification AA

C_N 0.75 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 249 is a rich, very dense object of very high C3 quality. Its parallax locates it at a very close distance, above 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 249 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–	282.52	33.391	3.462	1.822	-3.874	-18.828
Qin et al.	2023	282.61	33.38	3.49	1.84	-3.84	-20.77

💡 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–	0.34	0.31	–	22	–	–	–	–
Qin et al.	2023	0.34	0.31	–	22	–	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
Gaia 8	100.0	282.56	33.36	3.45	1.79	-3.89	-18.69	0.67
PHOC 41	100.0	282.54	33.38	3.45	1.8	-3.86	-18.69	0.0
CWWL 3595	78.6	282.53	33.37	3.47	1.82	-3.87	-18.54	0.0

💡 Note: The % column shows the percentage of members that OCSN 249 shares with each listed object.

Visualization

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