UBC 1153

0.30 UTI

0.26

C_N

0.14

C_dens

0.5

C_C3

0.3

C_lit

1.0

C_dup

N₅₀ (P>50% members) 26

Stellar density (N₅₀/rad) 0.7 [N/pc²]

C3 classification BB

C_N 0.26 Poorly populated
C_dens 0.14 Very loose
C_C3 0.5 Intermediate quality
C_lit 0.3 Poorly studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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UBC 1153 is a poorly populated, very loose object of intermediate C3 quality. Its parallax locates it at a moderate distance, below the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, young cluster, but with a large variance across recent sources for the absorption parameter (see Parameters). It is poorly studied in the literature.

Distant Moderate extinction Near-solar metallicity Young

Liu et al. (2025)
Classified as primordial binary cluster 382 along with UBC_592.

Palma et al. (2025)
Classified as tidal capture (resonant trapping pair) P72, along with UBC_592.

Cavallo et al. (2024)
Gold sample.

Data

🔍 Search references for UBC 1153 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–	333.2	53.22	0.263	-3.286	-3.491	–
Hunt & Reffert	2024	333.202	53.222	0.255	-3.296	-3.49	–
Cavallo et al.	2024	333.076	53.203	0.255	–	–	–
Hunt & Reffert	2023	333.202	53.222	0.255	-3.296	-3.49	–
Castro-Ginard et al.	2022	333.17	53.23	0.24	-3.28	-3.5	–

💡 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–	4.05	1.16	2.16	38	0.070	229	–	–
Liu et al.	2025	4.61	0.43	–	44	–	–	–	–
Hunt & Reffert	2024	–	–	–	–	–	229⁽¹⁾	–	–
Cavallo et al.	2024	3.56	1.62	–	33	0.070	–	–	–
Hunt & Reffert	2023	3.66	1.21	2.16	32	–	–	–	–
Castro-Ginard et al.	2022	4.44	1.11	–	97	–	–	–	–

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

Visualization

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