OCSN 197

(Huluwa 2)

0.54 UTI

0.7

C_N

1.0

C_dens

1.0

C_C3

0.0

C_lit

1.0

C_dup

N₅₀ (P>50% members) 89

Stellar density (N₅₀/rad) 6.1 [N/pc²]

C3 classification AA

C_N 0.7 Moderately populated
C_dens 1.0 Very dense
C_C3 1.0 Very high 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 197 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 low extinction. It is catalogued as a very young cluster (see Parameters). It was recently reported in the literature.

Note: This object shares a very small percentage of members with at least one entry reported in the same catalogue. See table with shared members information.

Very close Low extinction Very young

Data

🔍 Search references for OCSN 197 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–	122.209	-47.669	2.568	-5.742	8.108	21.391
Qin et al.	2023	122.34	-47.62	2.58	-5.71	8.09	21.8

💡 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	0.31	–	10	–	–	–	–
Qin et al.	2023	0.44	0.31	–	10	–	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
OCSN 199	3.4	119.78	-49.16	2.47	-5.39	8.25	20.01	0.43

💡 Note: The % column shows the percentage of members that OCSN 197 shares with each listed object.

Visualization

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