OCSN 83

0.50 UTI

0.83

C_N

0.89

C_dens

1.0

C_C3

0.0

C_lit

0.92

C_dup

C3 classification AA

Number of members (P>50%) 322

Radius (P>50% members) 59.6 [arcmin]

C_N 0.83 Rich
C_dens 0.89 Dense
C_C3 1.0 Very high quality
C_lit 0.0 Rarely studied
C_dup 0.92 Very likely unique

📥 Members 📊 Colab 🔬 Bayestar19 🔍 CDS 🔍 Simbad 🔍 CDS (α, δ) 🔍 Simbad (α, δ)

Overview

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OCSN 83 is a rich, 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 young cluster (see Parameters). It was recently reported in the literature.

Note: This is very likely a unique object, which shares a very small percentage of members with at least one previously reported entry. See table with shared members information.

Close Low extinction Young

Data

🔍 Search references for OCSN 83 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	–	120.265	-30.848	2.035	-8.95	5.49	28.058
Qin et al.	2023	120.34	-30.76	2.03	-8.94	5.52	28.97

💡 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	0.57	0.31	–	28	–	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
Theia 58	7.8	120.26	-30.79	2.02	-8.89	5.44	28.71	0.35
CWNU 1102	4.7	117.75	-29.05	2.08	-8.59	5.66	28.08	0.32

💡 Note: The % column shows the percentage of members that OCSN 83 shares with each listed object.

Visualization

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