HSC 2158

0.34 UTI

0.25

C_N

0.94

C_dens

0.5

C_C3

0.0

C_lit

1.0

C_dup

C3 classification BB

Number of members (P>50%) 25

Radius (P>50% members) 1.1 [arcmin]

C_N 0.25 Poorly populated
C_dens 0.94 Very dense
C_C3 0.5 Intermediate quality
C_lit 0.0 Rarely studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19 🔍 CDS 🔍 Simbad 🔍 CDS (α, δ) 🔍 Simbad (α, δ)

Overview

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HSC 2158 is a poorly populated, very dense object of intermediate C3 quality. Its parallax locates it at a large distance, below the mid-plane, affected by moderate extinction. It is catalogued as a 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.

Very distant Moderate extinction Very young

Data

🔍 Search references for HSC 2158 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	–	132.136	-47.751	0.139	-3.251	3.762	–
Hunt & Reffert	2024	132.137	-47.755	0.124	-3.246	3.765	–
Hunt & Reffert	2023	132.137	-47.755	0.124	-3.246	3.765	–

💡 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]	Bfr	BSS
Hunt & Reffert	2024	–	–	–	–	–	804*	–	–
Hunt & Reffert	2023	6.57	2.86	0.54	19	–	–	–	–

(*): Indicates that this parameter is assigned more than one value in the corresponding reference.

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
CWNU 3806	100.0	132.13	-47.76	0.16	-3.25	3.76	54.95	0.19

💡 Note: The % column shows the percentage of members that HSC 2158 shares with each listed object.

Visualization

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