UBC 454

0.36 UTI

0.6

C_N

0.2

C_dens

0.75

C_C3

0.13

C_lit

1.0

C_dup

N_m (P>50%) 70

Core radius and density 2.6 [pc], 1.0 [pc^-2]

C3 classification AB

C_N 0.6 Moderately populated
C_dens 0.2 Very loose
C_C3 0.75 High quality
C_lit 0.13 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 454 is a moderately populated, very loose object of high C3 quality. Its parallax locates it at a moderate distance, below the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It is rarely studied in the literature.

Distant Low extinction Near-solar metallicity Intermediate age

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 454 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–	109.275	-20.668	0.277	-0.564	1.153	–
Hunt & Reffert	2024	109.266	-20.661	0.271	-0.567	1.16	53.957
Cavallo et al.	2024	109.274	-20.661	0.271	–	–	–
Hunt & Reffert	2023	109.266	-20.661	0.271	-0.567	1.16	53.957
Cantat-Gaudin et al.	2020	109.278	-20.661	0.286	-0.605	1.162	–
Castro-Ginard et al.	2020	109.276	-20.654	0.279	-0.599	1.15	–

💡 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–	3.35	0.69	1.625	295	0.050	249	–	–
Hunt & Reffert	2024	3.35	0.69	1.63	295	–	249⁽¹⁾	–	–
Cavallo et al.	2024	3.34	1.32	–	407	0.050	–	–	–
Hunt & Reffert	2023	3.35	0.69	1.62	295	–	–	–	–
Cantat-Gaudin et al.	2020	3.28	0.67	–	251	–	–	–	–
Kounkel et al.	2020	3.71	1.35	–	54	–	–	–	–

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

Visualization

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