HSC 38

0.28 UTI

0.71

C_N

0.11

C_dens

0.5

C_C3

0.03

C_lit

1.0

C_dup

N_m (P>50%) 92

Core radius and density 3.5 [pc], 0.5 [pc^-2]

C3 classification BB

C_N 0.71 Moderately populated
C_dens 0.11 Very loose
C_C3 0.5 Intermediate 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 38 is a moderately populated, very loose object of intermediate C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by moderate extinction. It is catalogued as a very massive, very metal-poor, intermediate-age cluster (see Parameters). It was recently reported in the literature.

Relatively close Moderate extinction Very massive Very metal-poor Intermediate age

Cavallo et al. (2024)
Silver sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.11 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.11 (50th percentile).

Data

🔍 Search references for HSC 38 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–	269.325	-27.025	0.341	-0.193	-1.987	-21.875
Hunt & Reffert	2024	269.293	-27.025	0.334	-0.184	-1.979	-2.393
Cavallo et al.	2024	269.334	-27.036	0.334	–	–	–
Hunt & Reffert	2023	269.293	-27.025	0.334	-0.184	-1.979	-2.393

💡 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–	2.58	2.84	2.76	156	-1.020	6107	–	–
Hunt & Reffert	2024	2.58	2.84	2.76	156	–	6107⁽¹⁾	–	–
Cavallo et al.	2024	2.03	3.68	–	110	-1.020	–	–	–
Hunt & Reffert	2023	2.58	2.84	2.76	156	–	–	–	–

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

Visualization

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