Ruprecht 92

(MWSC 1866; OCL 834; ESO 128 17)

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0.37 UTI
0.0
CN
0.02
Cdens
0.25
CC3
0.79
Clit
1.0
Cdup
C3 classification CC
Number of members (P>50%) 13
Radius (P>50% members) 6.7 [arcmin]
  • CN 0.0 Sparse
  • Cdens 0.02 Very loose
  • CC3 0.25 Low quality
  • Clit 0.79 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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Ruprecht 92 is a sparse, very loose object of low C3 quality. Its parallax locates it at a large* distance, below the mid-plane, affected by moderate extinction. It is catalogued as a massive, near-solar metallicity, young cluster (see Parameters). It is well-studied in the literature.

(*): The parallax distance estimate (~6.06 kpc) differs significantly from the median photometric distance (~2.36 kpc).

Relatively close Moderate extinction Massive Near-solar metallicity Young

Data
🔍 Search references for Ruprecht 92 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 – 163.465 -61.77 0.165 -6.744 2.906 23.649
He et al. 2023 163.452 -61.747 0.184 -6.016 2.214 –
Just et al. 2023 163.374 -61.697 – – – –
Bica et al. 2019 163.451 -61.74 – – – –
Loktin & Popova 2017 163.44 -61.75 – -4.346 -3.437 -15.3
Kharchenko et al. 2016 163.374 -61.697 – – – –
Dias et al. 2014 163.446 -61.75 – -2.44 -2.06 –
Kharchenko et al. 2013 163.38 -61.7 – -3.22 2.78 -15.3
Gozha et al. 2012 163.446 -61.75 – – – –
Piskunov et al. 2008 163.28 -61.701 – – – –
Kharchenko et al. 2007 163.44 -61.75 – 0.18 – -15.6
van den Bergh 2006 163.3 -61.717 – – – –
Kharchenko et al. 2005 163.29 -61.71 – -2.05 0.5 –
Kharchenko et al. 2003 163.36 -61.69 – -5.32 1.22 –
Dias et al. 2002 163.446 -61.75 – -2.44 -2.06 -15.6

💡 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
He et al. 2023 4.68 1.15 – 40 – – – –
Just et al. 2023 – – – 45 – 632 – –
Loktin & Popova 2017 2.44 1.34 – 74 – – – –
Kharchenko et al. 2016 2.21 1.23 – 45 – – – –
Kharchenko et al. 2013 2.21 1.23 – 45 0.201 – – –
Gozha et al. 2012 2.36 – – 63 – 3236 – –
Piskunov et al. 2008 2.36 1.43 – 34 – – – –
van den Bergh 2006 2.36 1.43 – 63 – – – –
Kharchenko et al. 2005 2.36 1.43 – 34 – – – –
Kharchenko et al. 2003 2.38 0.93 – – – – – –
Dias et al. 2002 2.21 1.23 – 45 0.201 – – –

Visualization
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Ruprecht 92 UCC
Galactocentric position diagram