HSC 1835

0.27 UTI

0.36

C_N

0.25

C_dens

0.62

C_C3

0.06

C_lit

1.0

C_dup

N_m (P>50%) 36

Core radius and density 1.6 [pc], 1.3 [pc^-2]

C3 classification CA

C_N 0.36 Poorly populated
C_dens 0.25 Loose
C_C3 0.62 Intermediate quality
C_lit 0.06 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 1835 is a poorly populated, loose object of intermediate C3 quality. Its parallax locates it at a large distance, well below the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, old 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 Near-solar metallicity Old

Cavallo et al. (2024)
Gold sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.69 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.69 (50th percentile).

Data

🔍 Search references for HSC 1835 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–	106.979	-18.929	0.101	-0.35	1.695	–
Hu & Soubiran	2025	106.983	-18.927	–	–	–	–
Hunt & Reffert	2024	106.982	-18.928	0.107	-0.345	1.692	–
Cavallo et al.	2024	106.983	-18.927	0.117	–	–	–
Hunt & Reffert	2023	106.982	-18.928	0.107	-0.345	1.692	–

💡 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–	7.18	1.72	1.78	1034	-0.200	903	–	–
Hu & Soubiran	2025	–	–	–	–	-0.320⁽⁵⁾	–	–	–
Hunt & Reffert	2024	7.18	1.72	1.78	1034	–	903⁽¹⁾	–	–
Cavallo et al.	2024	6.95	1.89	–	871	-0.080	–	–	–
Hunt & Reffert	2023	7.18	1.72	1.78	1035	–	–	–	–

(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 3297	97.2	106.98	-18.93	0.11	-0.36	1.69	–	0.05

💡 Note: The % column shows the percentage of members that HSC 1835 shares with each listed object.

Visualization

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