HSC 1053

0.24 UTI

0.38

C_N

0.45

C_dens

0.38

C_C3

0.0

C_lit

1.0

C_dup

C3 classification CB

Number of members (P>50%) 38

Radius (P>50% members) 2.2 [arcmin]

C_N 0.38 Poorly populated
C_dens 0.45 Loose
C_C3 0.38 Low quality
C_lit 0.0 Rarely studied
C_dup 1.0 Unique

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

Overview

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HSC 1053 is a poorly populated, loose object of low C3 quality. Its parallax locates it at a large distance, above the mid-plane, affected by high extinction. It is catalogued as a near-solar metallicity, very young cluster (see Parameters). It was recently reported in the literature.

Note: This object shares a large percentage of members with a later reported entry. See table with shared members information.

⚠️ Warning: the low UTI value and no obvious signs of duplication (C_dup=1.0) indicate that this is quite probably an asterism, moving group, or artifact, and not a real open cluster.

Very distant High extinction Near-solar metallicity Very young

Cavallo et al. (2024)
Gold sample.

Data

🔍 Search references for HSC 1053 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	–	28.777	62.412	0.156	-1.714	0.275	–
Hunt & Reffert	2024	28.773	62.414	0.157	-1.688	0.268	–
Cavallo et al.	2024	28.792	62.413	0.151	–	–	–
Hunt & Reffert	2023	28.773	62.414	0.157	-1.688	0.268	–

💡 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
Hunt & Reffert	2024	–	–	–	–	–	939*	–	–
Cavallo et al.	2024	4.63	2.95	–	16	0.320	–	–	–
Hunt & Reffert	2023	6.01	3.36	2.32	8	–	–	–	–

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

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
CWNU 3033	78.9	28.77	62.41	0.16	-1.72	0.3	–	0.03

💡 Note: The % column shows the percentage of members that HSC 1053 shares with each listed object.

Visualization

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