HSC 1271

0.21 UTI

0.0

C_N

0.29

C_dens

0.12

C_C3

0.31

C_lit

1.0

C_dup

C3 classification DC

Number of members (P>50%) 23

Radius (P>50% members) 12.7 [arcmin]

C_N 0.0 Sparse
C_dens 0.29 Loose
C_C3 0.12 Very low quality
C_lit 0.31 Poorly studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19 🔍 CDS 🔍 Simbad 🔍 CDS (α, δ) 🔍 Simbad (α, δ)

Overview

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HSC 1271 is a sparse, loose object of very low C3 quality. Its parallax locates it at a relatively close distance, below the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster, but with a large variance across recent sources for the metallicity parameter (see Parameters). It was recently reported in the literature.

Relatively close Low extinction Near-solar metallicity Intermediate age

Cavallo et al. (2024)
Gold sample.

Data

🔍 Search references for HSC 1271 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	–	63.406	37.616	0.927	-1.281	-3.405	-12.827
Hu & Soubiran	2025	63.3	37.696	–	–	–	–
Zhang et al.	2024	63.293	37.695	–	–	–	–
Hunt & Reffert	2024	63.293	37.695	0.971	-1.219	-3.481	-11.071
Cavallo et al.	2024	63.3	37.696	0.97	–	–	–
Hunt & Reffert	2023	63.293	37.695	0.971	-1.219	-3.481	-11.071

💡 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]	Bfr	BSS
Hu & Soubiran	2025	–	–	–	–	-0.300*	–	–	–
Zhang et al.	2024	–	–	–	–	-0.034*	–	–	–
Hunt & Reffert	2024	–	–	–	–	–	73*	–	–
Cavallo et al.	2024	1.02	0.89	–	933	0.560	–	–	–
Hunt & Reffert	2023	0.98	0.95	0.59	120	–	–	–	–

(*): Indicates that this parameter is assigned more than one value in the corresponding reference.

Visualization

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