Hogg 23

(MWSC 2038; OCL 884.2)

0.23 UTI

0.0

C_N

0.03

C_dens

0.12

C_C3

0.5

C_lit

1.0

C_dup

C3 classification DC

Number of members (P>50%) 12

Radius (P>50% members) 7.9 [arcmin]

C_N 0.0 Sparse
C_dens 0.03 Very loose
C_C3 0.12 Very low quality
C_lit 0.5 Moderately studied
C_dup 1.0 Unique

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

Overview

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Hogg 23 is a sparse, very loose object of very low C3 quality. Its parallax locates it at a moderate^* distance, above the mid-plane, affected by low extinction. It is catalogued as a low-mass, intermediate-age cluster (see Parameters). It is moderately studied in the literature.

(*): The parallax distance estimate (~3.83 kpc) differs significantly from the median photometric distance (~1.25 kpc).

Relatively close Low extinction Low mass Intermediate age

Data

🔍 Search references for Hogg 23 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	–	187.208	-60.919	0.261	-7.832	-0.656	-15.238
Just et al.	2023	187.137	-60.921	–	–	–	–
Bica et al.	2019	187.232	-60.932	–	–	–	–
Kharchenko et al.	2016	187.137	-60.921	–	–	–	–
Dias et al.	2014	187.133	-60.895	–	-0.68	-2.45	–
Kharchenko et al.	2013	187.147	-60.925	–	-7.93	-1.03	–
Piskunov et al.	2008	187.154	-60.909	–	–	–	–
Kharchenko et al.	2005	187.15	-60.91	–	-9.43	-1.12	–
Dias et al.	2002	187.133	-60.895	–	-0.68	-2.45	–

💡 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
Just et al.	2023	–	–	–	204	–	31	–	–
Kharchenko et al.	2016	1.25	0.22	–	204	–	–	–	–
Kharchenko et al.	2013	1.25	0.22	–	204	–	–	–	–
Piskunov et al.	2008	1.25	0.22	–	204	–	–	–	–
Kharchenko et al.	2005	1.25	0.22	–	204	–	–	–	–
Dias et al.	2002	1.25	0.22	–	204	–	–	–	–

Visualization

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