UBC 1569

0.31 UTI

0.28

C_N

0.15

C_dens

1.0

C_C3

0.06

C_lit

1.0

C_dup

N_m (P>50%) 28

Core radius and density 1.1 [pc], 0.8 [pc^-2]

C3 classification AA

C_N 0.28 Poorly populated
C_dens 0.15 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 1569 is a poorly populated, very loose object of very high C3 quality. Its parallax locates it at a moderate distance, below the mid-plane, affected by moderate extinction. It is catalogued as a metal-poor, intermediate-age cluster (see Parameters). It is rarely studied in the literature.

Relatively close Moderate extinction Metal-poor Intermediate age

Cavallo et al. (2024)
Gold sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.91 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.91 (50th percentile).

Data

🔍 Search references for UBC 1569 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–	282.26	-7.119	0.364	-0.317	-1.056	8.036
Hunt & Reffert	2024	282.269	-7.124	0.363	-0.349	-1.072	19.999
Cavallo et al.	2024	282.252	-7.136	0.36	–	–	–
Hunt & Reffert	2023	282.269	-7.124	0.363	-0.349	-1.072	19.999
Castro-Ginard et al.	2022	282.29	-7.15	0.37	-0.31	-1.04	–

💡 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–	2.555	1.5	1.505	170	-0.500	596	–	–
Hunt & Reffert	2024	2.56	1.50	1.51	166	–	596⁽¹⁾	–	–
Cavallo et al.	2024	1.50	1.80	–	282	-0.500	–	–	–
Hunt & Reffert	2023	2.56	1.50	1.50	166	–	–	–	–
Castro-Ginard et al.	2022	2.55	1.02	–	173	–	–	–	–

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

Visualization

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