HSC 1284

0.06 UTI

0.0

C_N

0.32

C_dens

0.62

C_C3

0.0

C_lit

0.32

C_dup

N₅₀ (P>50% members) 24

Stellar density (N₅₀/rad) 1.6 [N/pc²]

C3 classification AC

C_N 0.0 Sparse
C_dens 0.32 Loose
C_C3 0.62 Intermediate quality
C_lit 0.0 Rarely studied
C_dup 0.32 Possibly duplicate

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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HSC 1284 is a sparse, loose object of intermediate C3 quality. Its parallax locates it at a relatively close distance, near the mid-plane. It is catalogued as a near-solar metallicity cluster (see Parameters). It was recently reported in the literature.

⚠️ Warning: This is possibly a duplicate object, which shares a significant percentage of members with at least one previously reported entry. See table with shared members information.

Near-solar metallicity

Data

🔍 Search references for HSC 1284 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–	72.955	40.795	0.896	1.706	-5.882	-6.54
Zhang et al.	2024	72.943	40.855	–	–	–	–
Hunt & Reffert	2024	72.943	40.855	0.87	1.635	-5.771	-2.508

💡 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–	–	–	–	–	-0.214	87	–	–
Zhang et al.	2024	–	–	–	–	-0.214⁽¹⁾	–	–	–
Hunt & Reffert	2024	–	–	–	–	–	87⁽¹⁾	–	–

(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 4058	68.0	73.19	40.65	0.88	1.67	-5.87	-3.03	0.15

💡 Note: The % column shows the percentage of members that HSC 1284 shares with each listed object.

Visualization

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