UBC 11

(OCSN 281)

0.61 UTI

0.54

C_N

0.52

C_dens

0.75

C_C3

0.62

C_lit

1.0

C_dup

N₅₀ (P>50% members) 57

Stellar density (N₅₀/rad) 2.6 [N/pc²]

C3 classification AB

C_N 0.54 Moderately populated
C_dens 0.52 Moderately dense
C_C3 0.75 High quality
C_lit 0.62 Moderately studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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UBC 11 is a moderately populated, moderately dense object of high C3 quality. Its parallax locates it at a very close distance, near the mid-plane, affected by low extinction. It is catalogued as a low-mass, near-solar metallicity, young cluster (see Parameters). It is moderately studied in the literature.

Very close Low extinction Low mass Near-solar metallicity Young

Cavallo et al. (2024)
Gold sample.

Data

🔍 Search references for UBC 11 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–	246.726	-59.769	2.177	-0.328	-6.835	-20.951
Li et al.	2025	246.666	-59.936	2.147	-0.342	-6.794	–
Alfonso et al.	2024	246.53	-59.932	2.155	-0.428	-6.866	–
Hunt & Reffert	2024	246.732	-59.705	2.162	-0.476	-6.787	-19.119
Cavallo et al.	2024	245.931	-59.907	2.172	–	–	–
Hunt & Reffert	2023	246.732	-59.705	2.162	-0.476	-6.787	-19.119
Qin et al.	2023	246.61	-59.91	2.2	-0.55	-6.95	-21.04
Tarricq et al.	2022	246.574	-59.844	2.174	-0.466	-6.902	–
Cantat-Gaudin et al.	2020	246.666	-59.936	2.147	-0.342	-6.794	–
Cantat-Gaudin & Anders	2020	246.666	-59.936	2.147	-0.342	-6.794	–
Bica et al.	2019	246.178	-59.963	–	–	–	–
Castro-Ginard et al.	2018	246.196	-59.962	2.139	-0.309	-6.789	-18.18

💡 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–	0.45	0.44	0.5	71	0.180	48	–	–
Li et al.	2025	0.51	0.36	–	121	0.250	–	–	–
Alfonso et al.	2024	0.44	0.44	–	72	0.009	–	–	–
Hunt & Reffert	2024	–	–	–	–	–	48⁽¹⁾	–	–
Cavallo et al.	2024	0.47	0.59	–	63	0.180	–	–	–
Hunt & Reffert	2023	0.43	0.21	0.50	128	–	–	–	–
Qin et al.	2023	0.55	0.46	–	71	–	–	–	–
Tarricq et al.	2022	0.44	–	–	69	–	–	–	–
Cantat-Gaudin et al.	2020	0.44	0.44	–	68	–	–	–	–
Cantat-Gaudin & Anders	2020	0.46	–	–	–	–	–	–	–

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

Visualization

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