HSC 1042

0.32 UTI

0.37

C_N

0.37

C_dens

0.75

C_C3

0.06

C_lit

1.0

C_dup

N_m (P>50%) 37

Core radius and density 1.5 [pc], 1.8 [pc^-2]

C3 classification BA

C_N 0.37 Poorly populated
C_dens 0.37 Loose
C_C3 0.75 High quality
C_lit 0.06 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 1042 is a poorly populated, loose object of high C3 quality. Its parallax locates it at a large distance, below the mid-plane, affected by high extinction. It is catalogued as a massive, metal-rich, intermediate-age 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.

Distant High extinction Massive Metal-rich Intermediate age

Cavallo et al. (2024)
Gold sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.34 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.34 (50th percentile).

Data

🔍 Search references for HSC 1042 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–	26.122	61.303	0.156	-0.742	-0.177	–
Hu & Soubiran	2025	26.123	61.299	–	–	–	–
Hunt & Reffert	2024	26.131	61.3	0.167	-0.72	-0.18	–
Cavallo et al.	2024	26.123	61.299	0.162	–	–	–
Hunt & Reffert	2023	26.131	61.3	0.167	-0.72	-0.18	–

💡 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–	4.76	3.54	1.79	552	0.500	1091	–	–
Hunt & Reffert	2024	4.76	3.54	1.79	552	–	1091⁽¹⁾	–	–
Cavallo et al.	2024	3.28	3.52	–	676	0.500	–	–	–
Hunt & Reffert	2023	4.76	3.54	1.79	552	–	–	–	–

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

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
CWNU 3255	94.6	26.12	61.3	0.16	-0.75	-0.17	–	0.06

💡 Note: The % column shows the percentage of members that HSC 1042 shares with each listed object.

Visualization

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