OCSN 97

0.28 UTI

0.38

C_N

0.42

C_dens

0.62

C_C3

0.0

C_lit

1.0

C_dup

C3 classification AC

Number of members (P>50%) 38

Radius (P>50% members) 32.2 [arcmin]

C_N 0.38 Poorly populated
C_dens 0.42 Loose
C_C3 0.62 Intermediate 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 97 is a poorly populated, loose object of intermediate C3 quality. Its parallax locates it at a very close distance, near the mid-plane, affected by low extinction. It is catalogued as an intermediate-age 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.

Close Low extinction Intermediate age

Data

🔍 Search references for OCSN 97 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	–	267.855	-40.622	2.196	4.542	-6.332	-23.709
Qin et al.	2023	267.92	-40.68	2.18	4.53	-6.23	-24.73

💡 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	0.61	0.71	–	251	–	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
Theia 1023	60.5	267.7	-40.8	2.25	4.71	-6.45	-24.17	0.02

💡 Note: The % column shows the percentage of members that OCSN 97 shares with each listed object.

Visualization

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