HSC 1690

0.46 UTI

0.54

C_N

1.0

C_dens

0.75

C_C3

0.0

C_lit

1.0

C_dup

N₅₀ (P>50% members) 57

Stellar density (N₅₀/rad) 13.9 [N/pc²]

C3 classification AB

C_N 0.54 Moderately populated
C_dens 1.0 Very dense
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 1690 is a moderately populated, very dense object of high C3 quality. Its parallax locates it at a moderate distance, below the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, intermediate-age 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 Moderate extinction Near-solar metallicity Intermediate age

Cavallo et al. (2024)
Gold sample.

Data

🔍 Search references for HSC 1690 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–	101.661	-2.097	0.215	-0.346	-0.269	83.286
Hunt & Reffert	2024	101.658	-2.093	0.208	-0.353	-0.272	86.756
Cavallo et al.	2024	101.658	-2.097	0.21	–	–	–
Hunt & Reffert	2023	101.658	-2.093	0.208	-0.353	-0.272	86.756

💡 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–	4.38	2.785	1.77	448	-0.170	672	–	–
Hunt & Reffert	2024	–	–	–	–	–	672⁽¹⁾	–	–
Cavallo et al.	2024	4.43	2.87	–	447	-0.170	–	–	–
Hunt & Reffert	2023	4.33	2.70	1.77	450	–	–	–	–

(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 3096	84.2	101.66	-2.1	0.21	-0.31	-0.3	83.29	0.03

💡 Note: The % column shows the percentage of members that HSC 1690 shares with each listed object.

Visualization

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