UBC 1391

0.30 UTI

0.29

C_N

0.06

C_dens

1.0

C_C3

0.06

C_lit

1.0

C_dup

N_m (P>50%) 29

Core radius and density 3.1 [pc], 0.3 [pc^-2]

C3 classification AA

C_N 0.29 Poorly populated
C_dens 0.06 Very loose
C_C3 1.0 Very 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 1391 is a poorly populated, very loose object of very high C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, young cluster (see Parameters). It is rarely studied in the literature.

Distant Low extinction Near-solar metallicity Young

Cavallo et al. (2024)
Gold sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 1.00 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 1.00 (50th percentile).

Data

🔍 Search references for UBC 1391 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–	115.734	-25.228	0.22	-1.918	2.459	–
Hunt & Reffert	2024	115.732	-25.198	0.229	-1.921	2.463	–
Cavallo et al.	2024	115.719	-25.275	0.228	–	–	–
Hunt & Reffert	2023	115.732	-25.198	0.229	-1.921	2.463	–
Castro-Ginard et al.	2022	115.72	-25.26	0.22	-1.91	2.48	–

💡 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–	3.92	0.96	1.64	89	-0.060	236	–	–
Hunt & Reffert	2024	3.92	0.96	1.64	89	–	236⁽¹⁾	–	–
Cavallo et al.	2024	3.40	0.98	–	91	-0.060	–	–	–
Hunt & Reffert	2023	3.92	0.96	1.64	89	–	–	–	–
Castro-Ginard et al.	2022	4.71	0.66	–	31	–	–	–	–

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

Visualization

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