HSC 1745

0.25 UTI

0.56

C_N

0.27

C_dens

0.38

C_C3

0.03

C_lit

1.0

C_dup

N_m (P>50%) 62

Core radius and density 2.3 [pc], 1.4 [pc^-2]

C3 classification CB

C_N 0.56 Moderately populated
C_dens 0.27 Loose
C_C3 0.38 Low 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 1745 is a moderately populated, loose object of low C3 quality. Its parallax locates it at a moderate distance, near 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.

Relatively close Moderate extinction Near-solar metallicity Intermediate age

Cavallo et al. (2024)
Gold sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 1.00 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 1.00 (50th percentile).

Data

🔍 Search references for HSC 1745 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–	106.414	-8.005	0.312	-1.503	1.459	75.707
Hunt & Reffert	2024	106.425	-8.012	0.328	-1.503	1.432	62.47
Cavallo et al.	2024	106.387	-8.005	0.333	–	–	–
Hunt & Reffert	2023	106.425	-8.012	0.328	-1.503	1.432	62.47

💡 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–	2.68	1.47	2.29	119	0.030	260	–	–
Hunt & Reffert	2024	2.68	1.47	2.29	119	–	260⁽¹⁾	–	–
Cavallo et al.	2024	2.29	2.24	–	174	0.030	–	–	–
Hunt & Reffert	2023	2.68	1.47	2.29	119	–	–	–	–

(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 3258	77.4	106.41	-8.0	0.32	-1.5	1.46	75.71	0.0

💡 Note: The % column shows the percentage of members that HSC 1745 shares with each listed object.

Visualization

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