FSR 1380

(SAI 87; MWSC 1443)

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0.82 UTI
0.75
CN
1.0
Cdens
0.75
CC3
0.79
Clit
1.0
Cdup
Radius (P>50% members) 2.5 [arcmin]
  • CN 0.75 Rich
  • Cdens 1.0 Very dense
  • CC3 0.75 High quality
  • Clit 0.79 Well-studied
  • Cdup 1.0 Unique

Overview

FSR 1380 is a rich, very dense object of high C3 quality. Its parallax locates it at a moderate distance, below the mid-plane, affected by high extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster, but with a large variance across recent sources for the metallicity parameter (see Parameters). It is well-studied in the literature.
Distant High extinction Near-solar metallicity Intermediate age

Cavallo et al. (2024): Gold sample.

Data

Reference Year RA [deg] DEC [deg] Plx [mas] pmRA [mas/yr] pmDE [mas/yr] Rv [km/s]
UCC 122.766 -39.998 0.277 -2.233 1.896 27.481
Hu & Soubiran 2025 122.77 -40.004
Hunt & Reffert 2024 122.77 -39.995 0.271 -2.244 1.906 27.734
Cavallo et al. 2024 122.77 -40.004 0.272
Hunt & Reffert 2023 122.77 -39.995 0.271 -2.244 1.906 27.734
Just et al. 2023 122.766 -39.962
Cantat-Gaudin et al. 2020 122.764 -39.994 0.26 -2.221 1.87
Bica et al. 2019 122.769 -39.994
Cantat-Gaudin et al. 2018 122.764 -39.994 0.26 -2.221 1.87
Kharchenko et al. 2016 122.766 -39.962
Kharchenko et al. 2013 122.77 -39.965 -5.7 5.91
Glushkova et al. 2010 122.771 -39.998
Froebrich et al. 2007 122.763 -39.998
Dias et al. 2002 122.771 -39.998 -2.47 4.5

💡 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
Hu & Soubiran 2025 -0.150*
Hunt & Reffert 2024 820*
Cavallo et al. 2024 2.72 2.59 1175 0.470
Hunt & Reffert 2023 3.25 2.97 2.05 397
Just et al. 2023 977 288
Cantat-Gaudin et al. 2020 3.25 2.47 1023
Cantat-Gaudin et al. 2018 3.46
Kharchenko et al. 2016 3.11 3.23 977
Kharchenko et al. 2013 3.11 3.23 977
Glushkova et al. 2010 2.29 3.97 447
Dias et al. 2002 2.29 3.97 447

💡 Note: The parameters are sometimes transformed from their original values to match the format of the columns shown here, see FAQ. The columns DAv, Bfr, BSS correspond to differential extinction, binary fraction, and blue stragglers, respectively. BSS values can be listed as fractions or integers.
(*): indicates that this parameter is assigned more than one value in the corresponding reference.

Visualization

Galactocentric position diagram

💡 Note: How are the galactocentric plots generated? See FAQ.