HSC 531

0.26 UTI

0.56

C_N

0.16

C_dens

0.5

C_C3

0.03

C_lit

1.0

C_dup

N_m (P>50%) 63

Core radius and density 3.0 [pc], 0.8 [pc^-2]

C3 classification BB

C_N 0.56 Moderately populated
C_dens 0.16 Very loose
C_C3 0.5 Intermediate quality
C_lit 0.03 Rarely studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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HSC 531 is a moderately populated, very loose object of intermediate C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by moderate extinction. It is catalogued as a metal-rich, young cluster (see Parameters). It was recently reported in the literature.

Relatively close Moderate extinction Metal-rich Young

Cavallo et al. (2024)
Gold sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.94 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.94 (50th percentile).

Data

🔍 Search references for HSC 531 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–	299.843	29.25	0.383	-1.826	-5.581	–
Hunt & Reffert	2024	299.832	29.263	0.382	-1.811	-5.591	-20.011
Cavallo et al.	2024	299.815	29.291	0.385	–	–	–
Hunt & Reffert	2023	299.832	29.263	0.382	-1.811	-5.591	-20.011

💡 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–	2.36	2.54	2.55	29	0.760	604	–	–
Hunt & Reffert	2024	2.36	2.54	2.55	29	–	604⁽¹⁾	–	–
Cavallo et al.	2024	2.83	2.48	–	23	0.760	–	–	–
Hunt & Reffert	2023	2.36	2.54	2.55	29	–	–	–	–

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

Visualization

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