OCSN 272

(Taurua Group18)

0.11 UTI

0.0

C_N

0.2

C_dens

0.38

C_C3

0.0

C_lit

1.0

C_dup

N₅₀ (P>50% members) 24

Stellar density (N₅₀/rad) 1.0 [N/pc²]

C3 classification CB

C_N 0.0 Sparse
C_dens 0.2 Very loose
C_C3 0.38 Low quality
C_lit 0.0 Rarely studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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OCSN 272 is a sparse, very loose object of low C3 quality. Its parallax locates it at a very close distance, near the mid-plane, affected by moderate extinction. It is catalogued as a young cluster (see Parameters). It was recently reported in the literature.

⚠️ Warning: the low UTI value and no obvious signs of duplication (C_dup=1.0) indicate that this is quite probably an asterism, moving group, or artifact, and not a real open cluster.

Very close Moderate extinction Young

Data

🔍 Search references for OCSN 272 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–	61.17	34.008	5.557	19.699	-23.9	17.479
Qin et al.	2023	61.52	33.66	5.65	19.33	-23.68	13.87

💡 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–	0.35	1.61	–	63	–	–	–	–
Qin et al.	2023	0.35	1.61	–	63	–	–	–	–

Visualization

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