HSC 370

0.32 UTI

0.56

C_N

0.22

C_dens

0.75

C_C3

0.03

C_lit

1.0

C_dup

N_m (P>50%) 63

Core radius and density 1.9 [pc], 1.1 [pc^-2]

C3 classification AB

C_N 0.56 Moderately populated
C_dens 0.22 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 370 is a moderately populated, very loose object of high C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by high extinction. It is catalogued as a massive, near-solar metallicity, young cluster (see Parameters). It was recently reported in the literature.

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

Relatively close High extinction Massive Near-solar metallicity Young

Cavallo et al. (2024)
Silver sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.20 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.20 (50th percentile).

Data

🔍 Search references for HSC 370 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–	288.266	8.546	0.324	-1.64	-3.841	22.1
Hunt & Reffert	2024	288.266	8.543	0.329	-1.607	-3.848	33.203
Cavallo et al.	2024	288.296	8.553	0.324	–	–	–
Hunt & Reffert	2023	288.266	8.543	0.329	-1.607	-3.848	33.203

💡 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–	2.86	4.54	2.7	66	-0.030	1013	–	–
Hunt & Reffert	2024	2.86	4.54	2.70	66	–	1013⁽¹⁾	–	–
Cavallo et al.	2024	3.10	4.71	–	27	-0.030	–	–	–
Hunt & Reffert	2023	2.86	4.54	2.70	66	–	–	–	–

(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 4263	74.6	288.26	8.55	0.32	-1.67	-3.84	22.1	0.03

💡 Note: The % column shows the percentage of members that HSC 370 shares with each listed object.

Visualization

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