FSR 0817

(MWSC 622)

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0.74 UTI
0.76
CN
1.0
Cdens
0.62
CC3
0.65
Clit
1.0
Cdup
C3 classification AC
Number of members (P>50%) 133
Radius (P>50% members) 5.3 [arcmin]
  • CN 0.76 Rich
  • Cdens 1.0 Very dense
  • CC3 0.62 Intermediate quality
  • Clit 0.65 Moderately 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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FSR 0817 is a rich, very dense object of intermediate C3 quality. Its parallax locates it at a relatively close distance, near the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, old cluster (see Parameters). It is moderately studied in the literature.

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

Relatively close Moderate extinction Near-solar metallicity Old

Cavallo et al. (2024)
Gold sample.

Data
🔍 Search references for FSR 0817 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 – 84.861 30.886 0.675 -0.193 -3.165 0.337
Zhang et al. 2024 84.86 30.89 – – – –
Hunt & Reffert 2024 84.86 30.89 0.683 -0.165 -3.177 -3.346
Cavallo et al. 2024 84.851 30.845 0.693 – – –
Hunt & Reffert 2023 84.86 30.89 0.683 -0.165 -3.177 -3.346
Just et al. 2023 84.855 30.904 – – – –
Kharchenko et al. 2016 84.855 30.904 – – – –
Dias et al. 2014 84.862 30.893 – -0.78 -5.9 25.0
Kharchenko et al. 2013 84.864 30.903 – 3.02 -6.98 –
Kharchenko et al. 2012 84.864 30.903 – 3.02 -6.98 –
Froebrich et al. 2007 84.862 30.893 – – – –
Dias et al. 2002 84.862 30.893 – -0.78 -5.9 25.0

💡 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
Zhang et al. 2024 – – – – 0.080* – – –
Hunt & Reffert 2024 – – – – – 331* – –
Cavallo et al. 2024 1.36 1.29 – 8 0.110 – – –
Hunt & Reffert 2023 1.34 1.26 1.47 7 – – – –
Just et al. 2023 – – – 1122 – 36 – –
Kharchenko et al. 2016 1.36 1.29 – 1122 – – – –
Kharchenko et al. 2013 1.36 1.29 – 1122 – – – –
Kharchenko et al. 2012 1.36 1.29 – 1122 – – – –
Dias et al. 2002 1.36 1.29 – 1122 – – – –

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

Cluster % RA DEC Plx pmRA pmDE Rv UTI
CWNU 1571 30.8 84.86 30.89 0.71 -0.2 -3.17 0.34 0.0

💡 Note: The % column shows the percentage of members that FSR 0817 shares with each listed object.

Visualization
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FSR 0817 UCC
FSR 0817 HUNT23
Galactocentric position diagram