OCSN 84

0.22 UTI

0.55

C_N

0.35

C_dens

1.0

C_C3

0.0

C_lit

0.59

C_dup

C3 classification AA

Number of members (P>50%) 59

Radius (P>50% members) 45.9 [arcmin]

C_N 0.55 Moderately populated
C_dens 0.35 Loose
C_C3 1.0 Very high quality
C_lit 0.0 Rarely studied
C_dup 0.59 Likely unique

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

Overview

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OCSN 84 is a moderately populated, loose 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 likely a unique object, which shares a moderate 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 84 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	–	115.028	-34.479	2.3	-8.248	4.279	16.388
Qin et al.	2023	115.0	-34.48	2.31	-8.38	4.28	16.4

💡 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	0.53	0.53	–	35	–	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
Ruprecht 31	40.7	115.71	-35.3	2.3	-8.25	4.27	17.4	0.48

💡 Note: The % column shows the percentage of members that OCSN 84 shares with each listed object.

Visualization

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