Ruprecht 63

(VDBH 35; MWSC 1504; OCL 758; vdBergh-Hagen 35; ESO 210 01; FSR 1444; FoF 41)

Click to load Aladin Lite
0.96 UTI
0.81
CN
1.0
Cdens
1.0
CC3
1.0
Clit
1.0
Cdup
C3 classification AA
Number of members (P>50%) 257
Radius (P>50% members) 3.5 [arcmin]
  • CN 0.81 Rich
  • Cdens 1.0 Very dense
  • CC3 1.0 Very 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
ℹī¸
Ruprecht 63 is a rich, very dense object of very high C3 quality. Its parallax locates it at a moderate distance, below the mid-plane, affected by moderate extinction. It is catalogued as a massive, near-solar metallicity, intermediate-age cluster (see Parameters). It is very well-studied in the literature.

Note: This object shares a very small percentage of members with 2 later reported entries. See table with shared members information.

Distant Moderate extinction Massive Near-solar metallicity Intermediate age

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

Cavallo et al. (2024)
Gold sample.

Data
🔍 Search references for Ruprecht 63 in: SciX Simbad
ℹī¸
Reference Year RA [deg] DEC [deg] Plx [mas] pmRA [mas/yr] pmDE [mas/yr] Rv [km/s]
UCC – 128.168 -48.302 0.234 -2.523 3.265 33.303
Li et al. 2025 128.169 -48.304 0.216 -2.541 3.229 –
Hu & Soubiran 2025 128.178 -48.306 – – – –
Almeida et al. 2025 128.184 -48.306 – – – –
Hunt & Reffert 2024 128.164 -48.301 0.236 -2.514 3.271 32.212
Cavallo et al. 2024 128.178 -48.306 0.233 – – –
Hunt & Reffert 2023 128.164 -48.301 0.236 -2.514 3.271 32.212
Almeida et al. 2023 128.179 -48.304 – – – –
Just et al. 2023 128.155 -48.292 – – – –
Dias et al. 2021 128.184 -48.306 0.227 -2.529 3.227 –
Cantat-Gaudin et al. 2020 128.169 -48.304 0.216 -2.541 3.229 –
Cantat-Gaudin & Anders 2020 128.169 -48.304 0.216 -2.541 3.229 –
Liu & Pang 2019 128.17 -48.321 0.251 -2.499 3.181 –
Soubiran et al. 2018 128.169 -48.304 – – – 31.94
Bica et al. 2019 128.164 -48.293 – – – –
Cantat-Gaudin et al. 2018 128.169 -48.304 0.216 -2.541 3.229 –
Kharchenko et al. 2016 128.155 -48.292 – – – –
Dias et al. 2014 128.167 -48.306 – -2.06 4.81 –
Kharchenko et al. 2013 128.16 -48.295 – -2.1 11.73 –
Glushkova et al. 2010 128.173 -48.306 – – – –
Dias et al. 2002 128.167 -48.306 – -2.06 4.81 –

💡 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 3.78 1.35 – 662 0.042 – – –
Hu & Soubiran 2025 – – – – -0.230* – – –
Almeida et al. 2025 3.31 1.75 – 355 – 478 – –
Hunt & Reffert 2024 – – – – – 1493* – –
Cavallo et al. 2024 2.99 1.41 – 794 -0.060 – – –
Hunt & Reffert 2023 3.78 1.35 1.33 437 – – – –
Almeida et al. 2023 3.52 1.76 – 351 -0.125 899* 0.51 –
Just et al. 2023 – – – 794 – 1352 – –
Dias et al. 2021 3.31 1.75 – 355 -0.167 – – –
Cantat-Gaudin et al. 2020 4.02 1.21 – 575 – – – –
Cantat-Gaudin & Anders 2020 4.09 – – – – – – –
Liu & Pang 2019 – – – 182 -0.500 – – –
Soubiran et al. 2018 4.09 – – – – – – –
Cantat-Gaudin et al. 2018 4.09 – – – – – – –
Kharchenko et al. 2016 4.83 1.74 – 794 – – – –
Kharchenko et al. 2013 4.83 1.74 – 794 – – – –
Glushkova et al. 2010 2.67 1.67 – 316 – – – –
Dias et al. 2002 3.76 1.89 – 501 – – – –

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

Cluster % RA DEC Plx pmRA pmDE Rv UTI
OC 0487 9.7 128.16 -48.3 0.22 -2.53 3.24 33.46 0.0
OC 0488 9.7 128.18 -48.3 0.24 -2.52 3.27 33.46 0.0

💡 Note: The % column shows the percentage of members that Ruprecht 63 shares with each listed object.

Visualization
ℹī¸
Ruprecht 63 UCC
Ruprecht 63 HUNT23
Ruprecht 63 CANTAT20
Galactocentric position diagram