HSC 2216

0.11 UTI

0.0

C_N

0.19

C_dens

0.38

C_C3

0.0

C_lit

0.96

C_dup

N₅₀ (P>50% members) 23

Stellar density (N₅₀/rad) 1.0 [N/pc²]

C3 classification CB

C_N 0.0 Sparse
C_dens 0.19 Very loose
C_C3 0.38 Low quality
C_lit 0.0 Rarely studied
C_dup 0.96 Unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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HSC 2216 is a sparse, very loose object of low C3 quality. Its parallax locates it at a very close distance, below the mid-plane, affected by low extinction. It is catalogued as a young 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.

⚠️ Warning: the low UTI value and no obvious signs of duplication (C_dup=0.96) indicate that this is quite probably an asterism, moving group, or artifact, and not a real open cluster.

Very close Low extinction Young

Hunt & Reffert (2024)
Classified as a moving group.

Data

🔍 Search references for HSC 2216 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–	113.895	-60.598	3.509	-4.643	9.129	20.535
Hunt & Reffert	2023	113.763	-61.161	3.602	-4.501	9.162	20.469

💡 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–	0.27	0.41	0.48	66	–	–	–	–
Hunt & Reffert	2023	0.27	0.41	0.48	66	–	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
UPK 540	4.0	114.67	-58.72	2.73	-4.86	7.75	6.8	0.73

💡 Note: The % column shows the percentage of members that HSC 2216 shares with each listed object.

Visualization

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