OC 0439

0.05 UTI

0.0

C_N

0.24

C_dens

0.38

C_C3

0.0

C_lit

0.44

C_dup

C3 classification BC

Number of members (P>50%) 18

Radius (P>50% members) 3.8 [arcmin]

C_N 0.0 Sparse
C_dens 0.24 Very loose
C_C3 0.38 Low quality
C_lit 0.0 Rarely studied
C_dup 0.44 Possibly duplicate

📥 Members 📊 Colab 🔬 Bayestar19 🔍 CDS 🔍 Simbad 🔍 CDS (α, δ) 🔍 Simbad (α, δ)

Overview

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OC 0439 is a sparse, very loose object of low C3 quality. Its parallax locates it at a moderate distance, near 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.

⚠️ Warning: This is possibly a duplicate object, which shares a significant percentage of members with at least one previously reported entry, and a moderate percentage with at least one entry reported in the same catalogue. See table with shared members information.

Moderate extinction Near-solar metallicity Very young

Data

🔍 Search references for OC 0439 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	–	120.793	-32.088	0.285	-2.518	2.9	127.131
Hao et al.	2022	120.824	-32.124	0.313	-2.561	2.916	–

💡 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	–	1.20	–	8	0.051	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
Ruprecht 48	56.0	120.68	-32.05	0.25	-2.49	2.85	127.13	0.82
OC 0438	36.0	120.69	-32.05	0.26	-2.48	2.88	–	0.0

💡 Note: The % column shows the percentage of members that OC 0439 shares with each listed object.

Visualization

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