OCSN 5

0.41 UTI

0.6

C_N

0.71

C_dens

0.75

C_C3

0.0

C_lit

1.0

C_dup

C3 classification AB

Number of members (P>50%) 71

Radius (P>50% members) 62.8 [arcmin]

C_N 0.6 Moderately populated
C_dens 0.71 Moderately dense
C_C3 0.75 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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OCSN 5 is a moderately populated, moderately dense object of 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.

Note: This object shares a significant percentage of members with a later reported entry. See table with shared members information.

Very close Low extinction Young

Data

🔍 Search references for OCSN 5 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	–	286.453	-16.597	4.083	0.851	-11.525	-24.126
Qin et al.	2023	286.21	-16.56	4.12	0.81	-11.69	-22.79

💡 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
Qin et al.	2023	0.31	0.59	–	79	–	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
Theia 222	73.2	286.45	-16.07	4.03	0.77	-11.1	-23.97	0.12

💡 Note: The % column shows the percentage of members that OCSN 5 shares with each listed object.

Visualization

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