HSC 2635

0.35 UTI

0.47

C_N

0.48

C_dens

0.75

C_C3

0.03

C_lit

1.0

C_dup

N_m (P>50%) 47

Core radius and density 1.4 [pc], 2.4 [pc^-2]

C3 classification AB

C_N 0.47 Poorly populated
C_dens 0.48 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 2635 is a poorly populated, loose object of high C3 quality. Its parallax locates it at a moderate distance, above the mid-plane, affected by high extinction. It is catalogued as a metal-rich, young cluster (see Parameters). It was recently reported in the literature.

Relatively close High extinction Metal-rich Young

Palma et al. (2025)
Classified as optical pair P325, along with CWNU_1677.

Cavallo et al. (2024)
Silver sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.03 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.03 (50th percentile).

Data

🔍 Search references for HSC 2635 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–	210.83	-59.67	0.33	-4.681	-1.778	-32.904
Hunt & Reffert	2024	210.827	-59.669	0.328	-4.69	-1.8	–
Cavallo et al.	2024	210.817	-59.667	0.329	–	–	–
Hunt & Reffert	2023	210.827	-59.669	0.328	-4.69	-1.8	–

💡 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–	2.6	3.08	2.96	40	0.610	396	–	–
Hunt & Reffert	2024	2.60	3.08	2.96	40	–	396⁽¹⁾	–	–
Cavallo et al.	2024	3.80	3.33	–	148	0.610	–	–	–
Hunt & Reffert	2023	2.60	3.08	2.96	40	–	–	–	–

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

Visualization

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