OC 0690

0.48 UTI

0.42

C_N

1.0

C_dens

1.0

C_C3

0.0

C_lit

1.0

C_dup

N₅₀ (P>50% members) 42

Stellar density (N₅₀/rad) 196.9 [N/pc²]

C3 classification AA

C_N 0.42 Poorly populated
C_dens 1.0 Very dense
C_C3 1.0 Very 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 0690 is a poorly populated, very dense object of very high C3 quality. Its parallax locates it at a very close distance, above the mid-plane, affected by high extinction. It is catalogued as a near-solar metallicity, very young cluster (see Parameters). It is rarely studied in the literature.

Note: This object shares a large percentage of members with 2 later reported entries. See table with shared members information.

High extinction Near-solar metallicity Very young

Data

🔍 Search references for OC 0690 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–	246.392	-23.477	7.181	-6.962	-25.511	-7.744
Hao et al.	2022	246.377	-23.452	7.194	-7.213	-25.326	-6.679

💡 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–	–	4.32	–	10	0.051	–	–	–
Hao et al.	2022	–	4.32	–	10	0.051	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
OCSN 245	100.0	246.4	-24.04	7.2	-7.05	-25.65	-7.74	0.53
HSC 2919	97.6	246.54	-24.02	7.21	-6.81	-25.98	-8.44	0.0

💡 Note: The % column shows the percentage of members that OC 0690 shares with each listed object.

Visualization

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