HSC 1306

0.40 UTI

0.0

C_N

1.0

C_dens

0.5

C_C3

0.25

C_lit

1.0

C_dup

C3 classification DA

Number of members (P>50%) 22

Radius (P>50% members) 1.0 [arcmin]

C_N 0.0 Sparse
C_dens 1.0 Very dense
C_C3 0.5 Intermediate quality
C_lit 0.25 Poorly studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19 🔍 CDS 🔍 Simbad 🔍 CDS (α, δ) 🔍 Simbad (α, δ)

Overview

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HSC 1306 is a sparse, very dense object of intermediate C3 quality. Its parallax locates it at a large 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.

Distant Moderate extinction Near-solar metallicity Intermediate age

Cavallo et al. (2024)
Gold sample.

Data

🔍 Search references for HSC 1306 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	–	77.295	39.017	0.173	0.832	-0.031	-18.83
Hu & Soubiran	2025	77.288	38.998	–	–	–	–
Hunt & Reffert	2024	77.294	39.019	0.186	0.81	-0.024	-18.83
Cavallo et al.	2024	77.288	38.998	0.185	–	–	–
Hunt & Reffert	2023	77.294	39.019	0.186	0.81	-0.024	-18.83

💡 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]	Bfr	BSS
Hu & Soubiran	2025	–	–	–	–	-0.280*	–	–	–
Hunt & Reffert	2024	–	–	–	–	–	261*	–	–
Cavallo et al.	2024	3.82	2.10	–	575	-0.240	–	–	–
Hunt & Reffert	2023	5.90	1.71	0.83	615	–	–	–	–

(*): Indicates that this parameter is assigned more than one value in the corresponding reference.

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
CWNU 3157	96.0	77.29	39.01	0.18	0.79	-0.06	-3.88	0.21

💡 Note: The % column shows the percentage of members that HSC 1306 shares with each listed object.

Visualization

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