OCSN 187

(ChaI north)

0.00 UTI

0.53

C_N

1.0

C_dens

1.0

C_C3

0.0

C_lit

0.0

C_dup

N₅₀ (P>50% members) 56

Stellar density (N₅₀/rad) 118.1 [N/pc²]

C3 classification AA

C_N 0.53 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 187 is a moderately populated, very dense object of very high C3 quality. Its parallax locates it at a very close distance, near 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.

Very close Moderate extinction Very young

Data

🔍 Search references for OCSN 187 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–	167.487	-76.535	5.195	-21.839	-0.455	12.251
Qin et al.	2023	167.55	-76.58	5.19	-21.71	-0.55	10.23

💡 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–	0.31	1.15	–	4	–	–	–	–
Qin et al.	2023	0.31	1.15	–	4	–	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
Chamaleon I	100.0	167.16	-77.2	5.25	-22.53	0.29	13.92	0.7
CWWDL 14679	100.0	167.44	-76.55	5.2	-22.07	-0.25	14.71	0.0
FoF 2435	100.0	167.16	-77.2	5.25	-22.53	0.28	13.92	0.0
OC 0578	87.5	167.51	-76.51	5.19	-21.83	-0.52	12.25	0.0

💡 Note: The % column shows the percentage of members that OCSN 187 shares with each listed object.

Visualization

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