OC 0637

0.40 UTI

0.26

C_N

1.0

C_dens

0.75

C_C3

0.0

C_lit

1.0

C_dup

N₅₀ (P>50% members) 26

Stellar density (N₅₀/rad) 7.8 [N/pc²]

C3 classification BA

C_N 0.26 Poorly populated
C_dens 1.0 Very dense
C_C3 0.75 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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OC 0637 is a poorly populated, very dense object of high C3 quality. Its parallax locates it at a relatively close distance, near the mid-plane, affected by high extinction. It is catalogued as a metal-rich, very young cluster (see Parameters). It is rarely studied in the literature.

Note: This object shares a large percentage of members with 3 later reported entries. See table with shared members information.

High extinction Metal-rich Very young

Data

🔍 Search references for OC 0637 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–	239.427	-53.061	0.732	-3.277	-3.204	-15.804
Hao et al.	2022	239.415	-53.064	0.716	-3.286	-3.205	–

💡 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–	–	3.31	–	3	0.575	–	–	–
Hao et al.	2022	–	3.31	–	3	0.575	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
CWNU 256	100.0	239.44	-53.07	0.72	-3.28	-3.2	-15.8	0.19
CWWDL 13864	100.0	239.44	-53.07	0.72	-3.28	-3.2	-15.8	0.02
Theia 2115	100.0	239.44	-53.07	0.72	-3.28	-3.2	-15.8	0.0

💡 Note: The % column shows the percentage of members that OC 0637 shares with each listed object.

Visualization

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