UBC 1261

0.34 UTI

0.44

C_N

0.37

C_dens

0.75

C_C3

0.06

C_lit

1.0

C_dup

N_m (P>50%) 44

Core radius and density 1.6 [pc], 1.9 [pc^-2]

C3 classification AB

C_N 0.44 Poorly populated
C_dens 0.37 Loose
C_C3 0.75 High 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 1261 is a poorly populated, loose object of high C3 quality. Its parallax locates it at a moderate distance, above the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It is rarely studied in the literature.

Distant Moderate extinction Near-solar metallicity Intermediate age

Cavallo et al. (2024)
Gold sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.81 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.81 (50th percentile).

Data

🔍 Search references for UBC 1261 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–	71.794	49.811	0.223	0.016	-1.731	-13.228
Hunt & Reffert	2024	71.782	49.812	0.231	0.028	-1.725	-8.76
Cavallo et al.	2024	71.777	49.816	0.23	–	–	–
Hunt & Reffert	2023	71.782	49.812	0.231	0.028	-1.725	-8.76
Castro-Ginard et al.	2022	71.79	49.79	0.23	0.03	-1.73	-8.35

💡 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–	4.11	1.7	1.36	936	0.180	668	–	–
Hunt & Reffert	2024	4.11	1.89	1.36	612	–	668⁽¹⁾	–	–
Cavallo et al.	2024	3.50	1.51	–	1259	0.180	–	–	–
Hunt & Reffert	2023	4.11	1.89	1.36	611	–	–	–	–
Castro-Ginard et al.	2022	4.91	1.09	–	1596	–	–	–	–

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

Visualization

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