OC 0641

0.00 UTI

0.36

C_N

1.0

C_dens

1.0

C_C3

0.0

C_lit

0.0

C_dup

N₅₀ (P>50% members) 36

Stellar density (N₅₀/rad) 17.2 [N/pc²]

C3 classification AA

C_N 0.36 Poorly 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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OC 0641 is a poorly populated, very dense object of very high C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by moderate extinction. It is catalogued as a metal-rich, intermediate-age cluster (see Parameters). It is rarely studied 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, and a large percentage with at least one entry reported in the same catalogue. See table with shared members information.

Moderate extinction Metal-rich Intermediate age

Data

🔍 Search references for OC 0641 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–	240.427	-52.109	0.463	-4.955	-5.412	-40.224
Hao et al.	2022	240.451	-52.095	0.535	-4.95	-5.404	–

💡 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–	–	2.33	–	794	0.611	–	–	–
Hao et al.	2022	–	2.33	–	794	0.611	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
FoF 434	100.0	240.42	-52.12	0.43	-4.92	-5.42	-37.26	0.56
OC 0640	83.3	240.41	-52.11	0.42	-4.93	-5.42	-39.32	0.0

💡 Note: The % column shows the percentage of members that OC 0641 shares with each listed object.

Visualization

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