UBC 304

0.17 UTI

0.75

C_N

1.0

C_dens

1.0

C_C3

0.0

C_lit

0.3

C_dup

N_m (P>50%) 103

Core radius and density 1.4 [pc], 5.9 [pc^-2]

C3 classification AA

C_N 0.75 Rich
C_dens 1.0 Very dense
C_C3 1.0 Very high quality
C_lit 0.0 Rarely studied
C_dup 0.3 Possibly duplicate

📥 Members 📊 Colab 🔬 Bayestar19

MOCA 🔍 CDS 🔍 Simbad 🔍 CDS (α, δ) 🔍 Simbad (α, δ)

Overview

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UBC 304 is a rich, very dense object of very high C3 quality. Its parallax locates it at a close distance, below the mid-plane, affected by low extinction. It is catalogued as an intermediate-age cluster (see Parameters). It is rarely studied in the literature, with no articles listed in the last 6 years.

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

Close Low extinction Intermediate age

Data

🔍 Search references for UBC 304 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–	234.588	-65.944	1.335	-3.663	-4.303	0.923
Castro-Ginard et al.	2020	234.583	-65.964	1.331	-3.63	-4.306	–

💡 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–	0.77	0.38	–	145	–	–	–	–
Kounkel et al.	2020	0.77	0.38	–	145	–	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
UPK 605	69.9	234.58	-65.96	1.34	-3.65	-4.3	0.92	0.65
CWWDL 14308	42.7	234.64	-65.96	1.34	-3.66	-4.3	0.93	0.0

💡 Note: The % column shows the percentage of members that UBC 304 shares with each listed object.

Visualization

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