HSC 619

0.32 UTI

0.72

C_N

0.53

C_dens

0.38

C_C3

0.03

C_lit

0.96

C_dup

N_m (P>50%) 93

Core radius and density 1.9 [pc], 2.7 [pc^-2]

C3 classification CB

C_N 0.72 Moderately populated
C_dens 0.53 Moderately dense
C_C3 0.38 Low quality
C_lit 0.03 Rarely studied
C_dup 0.96 Unique

📥 Members 📊 Colab 🔬 Bayestar19

MOCA 🔍 CDS 🔍 Simbad 🔍 CDS (α, δ) 🔍 Simbad (α, δ)

Overview

ℹ️

HSC 619 is a moderately populated, moderately dense object of low C3 quality. Its parallax locates it at a moderate distance, above the mid-plane, affected by high extinction. It is catalogued as a metal-rich, intermediate-age cluster (see Parameters). It was recently reported in the literature.

Note: This is a unique object, which shares a very small percentage of members with at least one previously reported entry. See table with shared members information.

Relatively close High extinction Metal-rich Intermediate age

Cavallo et al. (2024)
Wood sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.05 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.05 (50th percentile).

Data

🔍 Search references for HSC 619 in: SciX Simbad

ℹ️

Reference	Year	RA [deg]	DEC [deg]	Plx [mas]	pmRA [mas/yr]	pmDE [mas/yr]	Rv [km/s]
UCC	99999–	306.56	40.254	0.355	-2.23	-3.856	-20.551
Hunt & Reffert	2024	306.585	40.235	0.345	-2.231	-3.849	-14.101
Cavallo et al.	2024	306.556	40.277	0.346	–	–	–
Hunt & Reffert	2023	306.585	40.235	0.345	-2.231	-3.849	-14.101

💡 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–	2.54	4.9	3.06	124	0.630	949	–	–
Hunt & Reffert	2024	2.54	4.90	3.06	124	–	949⁽¹⁾	–	–
Cavallo et al.	2024	3.18	4.24	–	191	0.630	–	–	–
Hunt & Reffert	2023	2.54	4.90	3.06	124	–	–	–	–

(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 4207	76.3	306.56	40.26	0.36	-2.23	-3.86	-20.55	0.0
Dolidze 10	4.3	306.59	40.18	0.51	-2.12	-3.16	-43.54	0.1

💡 Note: The % column shows the percentage of members that HSC 619 shares with each listed object.

Visualization

ℹ️

1 2