HSC 1107

0.13 UTI

0.0

C_N

0.14

C_dens

0.5

C_C3

0.0

C_lit

1.0

C_dup

C3 classification BB

Number of members (P>50%) 21

Radius (P>50% members) 2.3 [arcmin]

C_N 0.0 Sparse
C_dens 0.14 Very loose
C_C3 0.5 Intermediate 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 1107 is a sparse, very loose object of intermediate C3 quality. Its parallax locates it at a large^* distance, above the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, young cluster (see Parameters). It was recently reported in the literature.

(*): The parallax distance estimate (~8.22 kpc) differs significantly from the median photometric distance (~6.25 kpc).

⚠️ Warning: the low UTI value and no obvious signs of duplication (C_dup=1.0) indicate that this is quite probably an asterism, moving group, or artifact, and not a real open cluster.

Very distant Moderate extinction Near-solar metallicity Young

Cavallo et al. (2024)
Gold sample.

Data

🔍 Search references for HSC 1107 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	–	41.419	62.812	0.122	-0.884	0.387	–
Hunt & Reffert	2024	41.525	62.78	0.116	-0.899	0.407	–
Cavallo et al.	2024	41.411	62.823	0.115	–	–	–
Hunt & Reffert	2023	41.525	62.78	0.116	-0.899	0.407	–

💡 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	–	–	–	–	–	848*	–	–
Cavallo et al.	2024	3.78	2.39	–	41	0.060	–	–	–
Hunt & Reffert	2023	8.71	2.60	1.12	12	–	–	–	–

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

Visualization

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