ASCC 61

(MWSC 1853)

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0.66 UTI
0.26
CN
0.89
Cdens
0.75
CC3
0.7
Clit
1.0
Cdup
C3 classification BA
Number of members (P>50%) 26
Radius (P>50% members) 2.8 [arcmin]
  • CN 0.26 Poorly populated
  • Cdens 0.89 Dense
  • CC3 0.75 High quality
  • Clit 0.7 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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ASCC 61 is a poorly populated, dense object of high C3 quality. Its parallax locates it at a moderate* distance, above the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, young cluster, but with a large variance across recent sources for the metallicity parameter (see Parameters). It is moderately studied in the literature.

(*): The parallax distance estimate (~2.97 kpc) differs significantly from the median photometric distance (~1.70 kpc).

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

Relatively close Low extinction Near-solar metallicity Young

Cavallo et al. (2024)
Gold sample.

Data
🔍 Search references for ASCC 61 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 – 161.542 -56.957 0.337 -7.974 3.612 -20.892
Hu & Soubiran 2025 161.57 -57.038 – – – –
Hunt & Reffert 2024 161.59 -57.045 0.333 -7.962 3.608 -19.789
Cavallo et al. 2024 161.57 -57.038 0.333 – – –
Hunt & Reffert 2023 161.59 -57.045 0.333 -7.962 3.608 -19.789
Just et al. 2023 161.536 -56.836 – – – –
Bica et al. 2019 161.536 -56.858 – – – –
Kharchenko et al. 2016 161.536 -56.836 – – – –
Dias et al. 2014 161.533 -56.86 – -4.54 -0.22 –
Kharchenko et al. 2013 161.542 -56.84 – -2.76 3.12 –
Piskunov et al. 2008 161.536 -56.858 – – – –
Kharchenko et al. 2005 161.53 -56.86 – -5.19 3.19 –
Dias et al. 2002 161.533 -56.86 – -4.54 -0.22 –

💡 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 – – – – -0.280* – – –
Hunt & Reffert 2024 – – – – – 1043* – –
Cavallo et al. 2024 2.41 0.62 – 1413 0.100 – – –
Hunt & Reffert 2023 2.81 0.49 0.69 1211 – – – –
Just et al. 2023 – – – 46 – 180 – –
Kharchenko et al. 2016 1.70 0.69 – 46 – – – –
Kharchenko et al. 2013 1.70 0.69 – 46 – – – –
Piskunov et al. 2008 1.70 0.71 – 91 – – – –
Kharchenko et al. 2005 1.70 0.71 – 91 – – – –
Dias et al. 2002 1.70 0.71 – 91 – – – –

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

Cluster % RA DEC Plx pmRA pmDE Rv UTI
Gulliver 1 96.2 161.59 -57.04 0.33 -7.96 3.61 -20.89 0.7

💡 Note: The % column shows the percentage of members that ASCC 61 shares with each listed object.

Visualization
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ASCC 61 UCC
ASCC 61 HUNT23
Galactocentric position diagram