HSC 2719

0.15 UTI

0.0

C_N

0.25

C_dens

0.5

C_C3

0.0

C_lit

1.0

C_dup

N₅₀ (P>50% members) 19

Stellar density (N₅₀/rad) 1.2 [N/pc²]

C3 classification BB

C_N 0.0 Sparse
C_dens 0.25 Loose
C_C3 0.5 Intermediate 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 2719 is a sparse, loose object of intermediate 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, but with a large variance across recent sources for the age parameter (see Parameters). It was recently reported in the literature.

⚠️ Warning: the low UTI value and no obvious signs of duplication (C_dup=1.0) indicate that this is quite probably an asterism, moving group, or artifact, and not a real open cluster.

Relatively close Moderate extinction Near-solar metallicity Intermediate age

Palma et al. (2025)
Classified as optical pair P310, along with CWNU_1455.

Cavallo et al. (2024)
Gold sample.

Data

🔍 Search references for HSC 2719 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–	236.453	-57.144	0.433	-2.649	-3.698	-33.941
Hunt & Reffert	2024	236.444	-57.165	0.436	-2.661	-3.746	-34.021
Cavallo et al.	2024	236.525	-57.151	0.435	–	–	–
Hunt & Reffert	2023	236.444	-57.165	0.436	-2.661	-3.746	-34.021

💡 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–	1.85	2.91	2.28	274	-0.330	418	–	–
Hunt & Reffert	2024	–	–	–	–	–	418⁽¹⁾	–	–
Cavallo et al.	2024	1.57	2.83	–	457	-0.330	–	–	–
Hunt & Reffert	2023	2.13	2.99	2.28	92	–	–	–	–

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

Visualization

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