UBC 1255

0.33 UTI

0.57

C_N

0.33

C_dens

0.62

C_C3

0.06

C_lit

1.0

C_dup

N_m (P>50%) 65

Core radius and density 1.5 [pc], 1.7 [pc^-2]

C3 classification AC

C_N 0.57 Moderately populated
C_dens 0.33 Loose
C_C3 0.62 Intermediate quality
C_lit 0.06 Rarely studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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UBC 1255 is a moderately populated, loose object of intermediate C3 quality. Its parallax locates it at a moderate distance, above the mid-plane, affected by moderate extinction. It is catalogued as a metal-rich, intermediate-age cluster, but with a large variance across recent sources for the age parameter (see Parameters). It is rarely studied in the literature.

Distant Moderate extinction Metal-rich Intermediate age

Cavallo et al. (2024)
Gold sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.77 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.77 (50th percentile).

Data

🔍 Search references for UBC 1255 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–	62.957	53.0	0.231	0.199	-0.591	-46.261
Hunt & Reffert	2024	62.973	53.005	0.235	0.194	-0.613	-60.853
Cavallo et al.	2024	62.964	52.988	0.239	–	–	–
Hunt & Reffert	2023	62.973	53.005	0.235	0.194	-0.613	-60.853
Castro-Ginard et al.	2022	62.95	52.99	0.23	0.2	-0.58	–

💡 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–	3.88	2.22	1.78	156	0.650	643	–	–
Hunt & Reffert	2024	3.65	2.27	1.78	156	–	643⁽¹⁾	–	–
Cavallo et al.	2024	4.11	2.17	–	295	0.650	–	–	–
Hunt & Reffert	2023	3.65	2.27	1.78	156	–	–	–	–
Castro-Ginard et al.	2022	4.69	1.99	–	30	–	–	–	–

(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.

Visualization

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