HSC 458

0.35 UTI

0.25

C_N

1.0

C_dens

0.5

C_C3

0.0

C_lit

1.0

C_dup

N₅₀ (P>50% members) 25

Stellar density (N₅₀/rad) 7.3 [N/pc²]

C3 classification BB

C_N 0.25 Poorly populated
C_dens 1.0 Very dense
C_C3 0.5 Intermediate quality
C_lit 0.0 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 458 is a poorly populated, very dense object of intermediate C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by high extinction. It is catalogued as a 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 Young

Data

🔍 Search references for HSC 458 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–	294.283	20.493	0.205	-2.658	-5.793	180.824
Hunt & Reffert	2024	294.276	20.491	0.21	-2.643	-5.792	–
Hunt & Reffert	2023	294.276	20.491	0.21	-2.643	-5.792	–

💡 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–	4.6	4.4	2.07	29	–	547	–	–
Hunt & Reffert	2024	–	–	–	–	–	547⁽¹⁾	–	–
Hunt & Reffert	2023	4.60	4.40	2.07	29	–	–	–	–

(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 3822	92.0	294.28	20.49	0.21	-2.64	-5.8	180.82	0.02

💡 Note: The % column shows the percentage of members that HSC 458 shares with each listed object.

Visualization

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