Hogg 16

(MWSC 2123)

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0.81 UTI
0.48
CN
0.8
Cdens
0.75
CC3
1.0
Clit
1.0
Cdup
C3 classification AB
Number of members (P>50%) 48
Radius (P>50% members) 5.4 [arcmin]
  • CN 0.48 Poorly populated
  • Cdens 0.8 Dense
  • CC3 0.75 High quality
  • Clit 1.0 Very well-studied
  • Cdup 1.0 Unique
đŸ“Ĩ Members 📊 Colab đŸ”Ŧ Bayestar19 🔍 CDS 🔍 Simbad 🔍 CDS (Îą, δ) 🔍 Simbad (Îą, δ)

Overview
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Hogg 16 is a poorly populated, dense object of high 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, young cluster (see Parameters). It is very well-studied in the literature.

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

Relatively close Moderate extinction Near-solar metallicity Young

Almeida et al. (2025)
Mass determination: good fit. Isochrone match: good fit. Silver sample.

Data
🔍 Search references for Hogg 16 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 – 202.323 -61.241 0.452 -3.487 -1.652 -75.218
Li et al. 2025 202.3 -61.209 0.431 -3.479 -1.645 –
Almeida et al. 2025 202.3 -61.209 – – – –
Almeida et al. 2023 202.306 -61.209 – – – –
Just et al. 2023 202.309 -61.209 – – – –
Jaehnig et al. 2021 202.485 -61.284 0.454 -3.455 -1.809 –
Dias et al. 2021 202.3 -61.209 0.431 -3.479 -1.645 –
Loktin & Popova 2017 202.32 -61.2 – -6.414 -0.718 -33.0
Kharchenko et al. 2016 202.309 -61.209 – – – –
Dias et al. 2014 202.325 -61.2 – -6.26 -1.51 –
Kharchenko et al. 2013 202.32 -61.212 – -4.53 -1.82 -33.0
Gozha et al. 2012 202.325 -61.2 – – – –
Piskunov et al. 2008 202.309 -61.198 – – – –
Kharchenko et al. 2007 202.32 -61.2 – 0.09 – -33.0
van den Bergh 2006 202.325 -61.2 – – – –
Kharchenko et al. 2005 202.32 -61.2 – -4.68 -1.54 -36.25
Kharchenko et al. 2003 202.32 -61.2 – -4.9 -1.29 –
Chen et al. 2003 202.383 -61.233 – -3.71 -3.17 -35.8
Dias et al. 2002 202.325 -61.2 – -3.71 -3.17 -30.83
Dambis 1999 202.325 -61.2 – – – –

💡 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
Li et al. 2025 1.84 1.42 – 36 -0.138 – – –
Almeida et al. 2025 1.94 1.42 – 31 – 185 – –
Almeida et al. 2023 2.00 1.49 – 26 0.119 232* 0.65 –
Just et al. 2023 – – – 89 – 413 – –
Jaehnig et al. 2021 2.22* – – – – – – –
Dias et al. 2021 1.94 1.42 – 31 0.110 – – –
Loktin & Popova 2017 1.45 1.55 – 23 – – – –
Kharchenko et al. 2016 2.06 1.27 – 89 – – – –
Kharchenko et al. 2013 2.06 1.27 – 89 – – – –
Gozha et al. 2012 1.58 – – 11 – 29 – –
Piskunov et al. 2008 1.58 1.27 – 18 – – – –
van den Bergh 2006 1.58 1.27 – 11 – – – –
Kharchenko et al. 2005 1.58 1.27 – 18 – – – –
Kharchenko et al. 2003 1.58 1.08 – – – – – –
Chen et al. 2003 1.58 – – 10 – – – –
Dias et al. 2002 1.58 1.27 – 11 – – – –
Dambis 1999 1.91 1.39 – 25 – – – –

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

Cluster % RA DEC Plx pmRA pmDE Rv UTI
Collinder 272 89.6 202.6 -61.33 0.44 -3.48 -1.8 -17.54 0.87

💡 Note: The % column shows the percentage of members that Hogg 16 shares with each listed object.

Visualization
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Hogg 16 UCC
Galactocentric position diagram