HSC 2220

0.38 UTI

0.25

C_N

1.0

C_dens

0.75

C_C3

0.0

C_lit

0.96

C_dup

C3 classification AB

Number of members (P>50%) 25

Radius (P>50% members) 1.7 [arcmin]

C_N 0.25 Poorly populated
C_dens 1.0 Very dense
C_C3 0.75 High quality
C_lit 0.0 Rarely studied
C_dup 0.96 Unique

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

Overview

ℹ️

HSC 2220 is a poorly populated, very dense object of high C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by high extinction. It is catalogued as an 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.

Distant High extinction Intermediate age

Data

🔍 Search references for HSC 2220 in: SciX Simbad

ℹ️

Reference	Year	RA [deg]	DEC [deg]	Plx [mas]	pmRA [mas/yr]	pmDE [mas/yr]	Rv [km/s]
UCC	–	142.423	-50.557	0.252	-5.501	3.437	26.076
Hunt & Reffert	2024	142.416	-50.556	0.245	-5.425	3.419	26.122
Hunt & Reffert	2023	142.416	-50.556	0.245	-5.425	3.419	26.122

💡 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
Hunt & Reffert	2024	–	–	–	–	–	568*	–	–
Hunt & Reffert	2023	3.62	4.13	1.68	489	–	–	–	–

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

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
CWNU 2466	4.0	142.59	-50.44	0.4	-5.56	3.35	–	0.19

💡 Note: The % column shows the percentage of members that HSC 2220 shares with each listed object.

Visualization

ℹ️

1 2