UBC 266

0.24 UTI

0.78

C_N

0.44

C_dens

1.0

C_C3

0.06

C_lit

0.52

C_dup

N_m (P>50%) 189

Core radius and density 2.2 [pc], 2.2 [pc^-2]

C3 classification AA

C_N 0.78 Rich
C_dens 0.44 Loose
C_C3 1.0 Very high quality
C_lit 0.06 Rarely studied
C_dup 0.52 Likely unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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UBC 266 is a rich, loose object of very high C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by moderate extinction. It is catalogued as a very young cluster (see Parameters). It is rarely studied in the literature.

Note: This is likely a unique object, which shares a moderate percentage of members with at least one previously reported entry. See table with shared members information.

Relatively close Moderate extinction Very young

Data

🔍 Search references for UBC 266 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–	166.349	-59.751	0.381	-6.686	1.746	-16.856
Celli et al.	2024	166.334	-59.759	–	–	–	–
Cantat-Gaudin et al.	2020	166.334	-59.759	0.356	-6.686	1.698	–
Castro-Ginard et al.	2020	166.388	-59.775	0.357	-6.674	1.701	–

💡 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–	2.325	1.205	–	13	–	950	–	–
Celli et al.	2024	–	–	–	13	–	950	–	–
Cantat-Gaudin et al.	2020	2.42	1.17	–	13	–	–	–	–
Kounkel et al.	2020	2.23	1.24	–	14	–	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
Feinstein 1	48.1	166.33	-59.74	0.39	-6.69	1.75	-19.39	0.67
CWWDL 2200	41.8	166.3	-59.72	0.39	-6.7	1.78	-19.39	0.02

💡 Note: The % column shows the percentage of members that UBC 266 shares with each listed object.

Visualization

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