HSC 838

0.30 UTI

0.43

C_N

0.3

C_dens

0.75

C_C3

0.0

C_lit

1.0

C_dup

N₅₀ (P>50% members) 43

Stellar density (N₅₀/rad) 1.5 [N/pc²]

C3 classification AB

C_N 0.43 Poorly populated
C_dens 0.3 Loose
C_C3 0.75 High 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 838 is a poorly populated, loose object of high C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by moderate extinction. It is catalogued as a metal-rich, 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.

Distant Moderate extinction Metal-rich Young

Cavallo et al. (2024)
Gold sample.

Data

🔍 Search references for HSC 838 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–	342.564	58.841	0.246	-3.31	-2.0	-64.166
Hunt & Reffert	2024	342.517	58.827	0.262	-3.326	-2.017	-44.469
Cavallo et al.	2024	342.614	58.845	0.253	–	–	–
Hunt & Reffert	2023	342.517	58.827	0.262	-3.326	-2.017	-44.469

💡 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–	3.83	2.495	2.15	56	0.730	550	–	–
Hunt & Reffert	2024	–	–	–	–	–	550⁽¹⁾	–	–
Cavallo et al.	2024	4.02	2.39	–	95	0.730	–	–	–
Hunt & Reffert	2023	3.64	2.60	2.15	18	–	–	–	–

(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 3663	62.8	342.58	58.85	0.23	-3.28	-1.96	–	0.01

💡 Note: The % column shows the percentage of members that HSC 838 shares with each listed object.

Visualization

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