OC 0340

0.45 UTI

0.25

C_N

1.0

C_dens

1.0

C_C3

0.0

C_lit

1.0

C_dup

C3 classification AA

Number of members (P>50%) 25

Radius (P>50% members) 13.4 [arcmin]

C_N 0.25 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 🔍 CDS 🔍 Simbad 🔍 CDS (α, δ) 🔍 Simbad (α, δ)

Overview

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OC 0340 is a poorly populated, very dense object of very high C3 quality. Its parallax locates it at a very close distance, below the mid-plane, affected by moderate 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 significant percentage of members with a later reported entry. See table with shared members information.

Moderate extinction Near-solar metallicity Very young

Data

🔍 Search references for OC 0340 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	–	84.543	-0.184	2.439	-0.074	-0.621	24.569
Hao et al.	2022	84.54	-0.162	2.456	-0.079	-0.757	–

💡 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
Hao et al.	2022	–	1.66	–	8	0.169	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
OCSN 61	68.0	84.06	-0.59	2.56	-1.03	-0.63	29.9	0.51

💡 Note: The % column shows the percentage of members that OC 0340 shares with each listed object.

Visualization

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