HSC 2332

0.32 UTI

0.55

C_N

0.23

C_dens

0.75

C_C3

0.03

C_lit

1.0

C_dup

N_m (P>50%) 59

Core radius and density 1.7 [pc], 1.1 [pc^-2]

C3 classification AB

C_N 0.55 Moderately populated
C_dens 0.23 Very loose
C_C3 0.75 High 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 2332 is a moderately populated, very loose object of high C3 quality. Its parallax locates it at a large distance, near the mid-plane, affected by high extinction. It is catalogued as a massive, 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.

Distant High extinction Massive Near-solar metallicity Very young

Palma et al. (2025)
Classified as tidal capture (resonant trapping pair) P39, along with Westerlund_2.

Cavallo et al. (2024)
Silver sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.08 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.08 (50th percentile).

Data

🔍 Search references for HSC 2332 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–	155.597	-58.119	0.183	-5.546	3.17	66.673
Hunt & Reffert	2024	155.59	-58.119	0.189	-5.553	3.17	60.585
Cavallo et al.	2024	155.589	-58.135	0.189	–	–	–
Hunt & Reffert	2023	155.59	-58.119	0.189	-5.553	3.17	60.585

💡 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–	4.65	3.49	2.9	19	0.130	1108	–	–
Hunt & Reffert	2024	4.65	3.49	2.90	19	–	1108⁽¹⁾	–	–
Cavallo et al.	2024	3.61	3.15	–	66	0.130	–	–	–
Hunt & Reffert	2023	4.65	3.49	2.90	19	–	–	–	–

(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 3537	79.7	155.61	-58.12	0.19	-5.55	3.17	66.67	0.03

💡 Note: The % column shows the percentage of members that HSC 2332 shares with each listed object.

Visualization

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