Hogg 12

(MWSC 1918; OCL 851; ESO 129 11)

0.37 UTI

0.28

C_N

0.05

C_dens

0.5

C_C3

0.5

C_lit

1.0

C_dup

C3 classification BB

Number of members (P>50%) 28

Radius (P>50% members) 4.7 [arcmin]

C_N 0.28 Poorly populated
C_dens 0.05 Very loose
C_C3 0.5 Intermediate 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 12 is a poorly populated, very loose object of intermediate C3 quality. Its parallax locates it at a large^* distance, near the mid-plane, affected by moderate extinction. It is catalogued as a low-mass, young cluster (see Parameters). It is moderately studied in the literature.

(*): The parallax distance estimate (~7.84 kpc) differs significantly from the median photometric distance (~1.66 kpc).

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

Relatively close Moderate extinction Low mass Young

Data

🔍 Search references for Hogg 12 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	–	168.059	-60.772	0.128	-5.541	1.998	7.429
Just et al.	2023	168.052	-60.761	–	–	–	–
Sánchez et al.	2020	168.254	-60.783	–	-6.234	1.005	–
Bica et al.	2019	168.066	-60.755	–	–	–	–
Kharchenko et al.	2016	168.052	-60.761	–	–	–	–
Dias et al.	2014	168.254	-60.783	–	-3.43	-1.84	–
Kharchenko et al.	2013	168.06	-60.765	–	-7.04	1.34	-3.0
Kharchenko et al.	2003	168.07	-60.75	–	-8.99	2.0	–
Dias et al.	2002	168.254	-60.783	–	-3.43	-1.84	–

💡 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	–	–	–	40	–	20	–	–
Kharchenko et al.	2016	1.66	1.24	–	40	–	–	–	–
Kharchenko et al.	2013	1.66	1.24	–	40	–	–	–	–
Kharchenko et al.	2003	1.43	0.93	–	–	–	–	–	–
Dias et al.	2002	2.00	1.24	–	30	–	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
CWNU 4456	50.0	168.03	-60.77	0.13	-5.66	2.0	–	0.04

💡 Note: The % column shows the percentage of members that Hogg 12 shares with each listed object.

Visualization

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