Alessi 13
(MWSC 278; Chi For Group; Harrington 2; Slotegraaf 3; Ramakers 26)
Summary
Alessi 13 is a rich, dense object of very high C3 quality. It is located at a very close distance from the Sun, below the mid-plane. It is very well-studied in the literature.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 50.425 | -36.3 | – | 36.39 | -4.74 | 19.53 |
| Kharchenko et al. (2005) | 52.05 | -35.9 | – | 36.97 | -3.18 | 20.1 |
| Piskunov et al. (2007) | 52.041 | -35.902 | – | – | – | – |
| Kharchenko et al. (2007) | 53.5 | -35.32 | – | 3.2 | – | 19.53 |
| Piskunov et al. (2008) | 52.041 | -35.902 | – | – | – | – |
| Yen et al. (2018) | 51.083 | -35.824 | 9.62 | 37.08 | -4.3 | – |
| Cantat-Gaudin et al. (2018) | 51.762 | -35.821 | 9.584 | 36.332 | -4.709 | – |
| Bica et al. (2019) | 52.054 | -35.902 | – | – | – | – |
| Soubiran et al. (2018) | 51.762 | -35.821 | – | – | – | 21.13 |
| Monteiro & Dias (2019) | 51.762 | -35.821 | – | 37.229 | -4.756 | 2.545 |
| Cantat-Gaudin et al. (2020) | 51.762 | -35.821 | 9.584 | 36.332 | -4.709 | – |
| Dias et al. (2021) | 51.613 | -35.646 | 9.538 | 36.164 | -4.636 | 20.448 |
| He et al. (2022) | 52.053 | -35.669 | 9.535 | 36.141 | -4.606 | – |
| Hunt & Reffert (2023) | 51.993 | -35.773 | 9.502 | 35.499 | -4.184 | 18.017 |
| Cavallo et al. (2024) | 52.405 | -35.809 | 9.525 | – | – | – |
| Alfonso et al. (2024) | 52.383 | -35.177 | 9.353 | 35.232 | -4.885 | – |
| Almeida et al. (2025) | 51.613 | -35.646 | – | – | – | – |
| UCC | 51.98 | -35.66 | 9.465 | 36.043 | -4.52 | 17.42 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | Dist=100.0, [Fe/H]=0.17 |
| Kharchenko et al. (2005) | E(B-V)=0.04, Dist=110, logt=8.72 |
| Piskunov et al. (2007) | E(B-V)=0.04, Dist=110, logt=8.72, logM=2.545 |
| Piskunov et al. (2008) | E(B-V)=0.04, Dist=110, logt=8.72, logM=2.68, logMA=2.62 |
| Yen et al. (2018) | E(B-V)=0.027, d=97.8, logt=8.75 |
| Cantat-Gaudin et al. (2018) | dmode=104.0 |
| Soubiran et al. (2018) | dmode=104.0 |
| Monteiro & Dias (2019) | E(B-V)=0.083, Dist=0.103, logAge=7.83, Z=0.017 |
| Cantat-Gaudin et al. (2020) | AVNN=0.1, DistPc=105.0, AgeNN=7.55 |
| Dias et al. (2021) | Av=0.039, Dist=104, logage=7.769, [Fe/H]=0.231 |
| He et al. (2022) | A0=0.05, logAge=7.5 |
| Hunt & Reffert (2023) | AV50=0.156, diffAV50=0.596, MOD50=5.088, logAge50=7.394 |
| Cavallo et al. (2024) | AV50=0.82, dMod50=5.13, logAge50=7.84, [Fe/H]50=0.19 |
| Alfonso et al. (2024) | AV=0.09981, MOD=5.10985, logAge=7.69003, Z=0.23116 |
| Almeida et al. (2025) | AV=0.039, Dist=104, logAge=7.769, MassRk=21.8 |
Search coordinates in Bayestar19