HSC 2406

0.28 UTI

0.0

C_N

0.32

C_dens

1.0

C_C3

0.03

C_lit

1.0

C_dup

N_m (P>50%) 23

Core radius and density 1.1 [pc], 1.6 [pc^-2]

C3 classification AA

C_N 0.0 Sparse
C_dens 0.32 Loose
C_C3 1.0 Very 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 2406 is a sparse, loose object of very high C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by moderate extinction. It is catalogued as a very young cluster (see Parameters). It was recently reported in the literature.

Relatively close Moderate extinction Very young

Liu et al. (2025)
Classified as primordial binary cluster 10 along with ASCC_65, and as primordial binary cluster 228 along with NGC_3590, and of multiple system 6 along with ASCC_65 and NGC_3590.

Palma et al. (2025)
Part of multiple system G154, along with NGC_3590, NGC_3572, ASCC_65 and UBC_659.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.99 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.99 (50th percentile).

Data

🔍 Search references for HSC 2406 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–	168.076	-60.499	0.389	-6.119	1.82	–
Liu et al.	2025	168.1	-60.49	0.38	-6.13	1.82	–
Hunt & Reffert	2024	168.099	-60.493	0.382	-6.127	1.819	–
Hunt & Reffert	2023	168.099	-60.493	0.382	-6.127	1.819	–

💡 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–	2.53	1.2	1.01	7	–	306	–	–
Liu et al.	2025	2.78	0.42	–	14	–	–	–	–
Hunt & Reffert	2024	2.53	1.20	1.01	7	–	306⁽¹⁾	–	–
Hunt & Reffert	2023	2.53	1.20	1.01	7	–	–	–	–

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

Visualization

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