HSC 1289

0.30 UTI

0.31

C_N

0.17

C_dens

0.5

C_C3

0.25

C_lit

1.0

C_dup

C3 classification BB

Number of members (P>50%) 31

Radius (P>50% members) 7.2 [arcmin]

C_N 0.31 Poorly populated
C_dens 0.17 Very loose
C_C3 0.5 Intermediate quality
C_lit 0.25 Poorly studied
C_dup 1.0 Unique

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

Overview

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HSC 1289 is a poorly populated, very loose object of intermediate C3 quality. Its parallax locates it at a moderate distance, above the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It was recently reported in the literature.

Note: This object shares a significant percentage of members with a later reported entry. See table with shared members information.

Relatively close Moderate extinction Near-solar metallicity Intermediate age

Cavallo et al. (2024)
Gold sample.

Data

🔍 Search references for HSC 1289 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	–	84.727	46.11	0.348	-0.24	-1.553	29.865
Zhang et al.	2024	84.712	46.158	–	–	–	–
Hunt & Reffert	2024	84.712	46.158	0.337	-0.214	-1.508	79.971
Cavallo et al.	2024	84.703	46.113	0.336	–	–	–
Hunt & Reffert	2023	84.712	46.158	0.337	-0.214	-1.508	79.971

💡 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
Zhang et al.	2024	–	–	–	–	-0.299*	–	–	–
Hunt & Reffert	2024	–	–	–	–	–	165*	–	–
Cavallo et al.	2024	2.51	1.44	–	83	-0.140	–	–	–
Hunt & Reffert	2023	2.58	1.05	0.66	151	–	–	–	–

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

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
CWNU 3540	74.2	84.74	46.07	0.34	-0.26	-1.55	50.11	0.02

💡 Note: The % column shows the percentage of members that HSC 1289 shares with each listed object.

Visualization

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