HSC 222

0.35 UTI

0.0

C_N

1.0

C_dens

0.75

C_C3

0.0

C_lit

1.0

C_dup

C3 classification BA

Number of members (P>50%) 22

Radius (P>50% members) 1.5 [arcmin]

C_N 0.0 Sparse
C_dens 1.0 Very dense
C_C3 0.75 High quality
C_lit 0.0 Rarely studied
C_dup 1.0 Unique

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

Overview

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HSC 222 is a sparse, very dense object of high C3 quality. Its parallax locates it at a moderate distance, below the mid-plane, affected by high extinction. It is catalogued as a young 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 High extinction Young

Data

🔍 Search references for HSC 222 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	–	278.515	-11.213	0.291	-1.189	-2.083	11.943
Hunt & Reffert	2024	278.518	-11.209	0.307	-1.16	-2.067	–
Hunt & Reffert	2023	278.518	-11.209	0.307	-1.16	-2.067	–

💡 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	–	–	–	–	–	834*	–	–
Hunt & Reffert	2023	3.35	4.75	2.49	32	–	–	–	–

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

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
CWNU 3704	100.0	278.52	-11.21	0.28	-1.18	-2.1	11.94	0.15

💡 Note: The % column shows the percentage of members that HSC 222 shares with each listed object.

Visualization

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