Blanco 1

(MWSC 7; zeta Scl; OCL 43; ESO 409 09)

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
1.0 1.0 1.0 1.0 1.0
C3
N_50
r_50
AA 739 155.7
Summary

Blanco 1 is a very rich, very 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.

This object shares a significant percentage of members with 2 later reported entries.

Search object in SciX | Simbad

Positions

Reference RA DEC Plx pmRA pmDE Rv
Dias et al. (2002) 1.029 -29.833 – 20.17 3.0 5.53
Chen et al. (2003) 1.063 -29.882 – 20.17 3.0 5.0
Kharchenko et al. (2003) 0.82 -30.14 – 19.86 3.37 –
Kharchenko et al. (2005) 0.82 -30.14 – 19.86 2.37 3.58
Piskunov et al. (2007) 0.822 -30.143 – – – –
Kharchenko et al. (2007) 1.03 -29.83 – 2.9 – 3.58
Piskunov et al. (2008) 0.822 -30.143 – – – –
Kharchenko et al. (2013) 0.885 -30.0 – 19.71 2.28 5.5
Kharchenko et al. (2016) 0.878 -30.003 – – – –
Loktin & Popova (2017) 1.035 -29.833 – 20.17 3.0 5.5
Yen et al. (2018) 1.056 -29.928 4.11 18.65 2.63 –
Cantat-Gaudin et al. (2018) 0.853 -29.958 4.21 18.739 2.602 –
Bica et al. (2019) 1.027 -29.832 – – – –
Soubiran et al. (2018) 0.853 -29.958 – – – 5.76
Bossini et al. (2019) 0.853 -29.958 – – – –
Cantat-Gaudin et al. (2020) 0.853 -29.958 4.21 18.739 2.602 –
Dias et al. (2021) 16.338 -29.941 4.204 18.689 2.724 5.754
Rain et al. (2021) 0.853 -29.958 4.21 18.739 2.602 –
Jaehnig et al. (2021) 1.003 -29.939 4.231 18.737 2.602 –
Tarricq et al. (2022) 0.72 -30.116 4.219 18.722 2.567 –
He et al. (2022) 0.872 -29.975 4.224 18.738 2.606 –
Just et al. (2023) 0.878 -30.003 – – – –
Hunt & Reffert (2023) 0.915 -30.011 4.232 18.725 2.593 4.217
Cavallo et al. (2024) 0.861 -29.907 4.228 – – –
Hunt & Reffert (2024) 0.915 -30.011 4.232 18.725 2.593 4.217
Alfonso et al. (2024) 1.356 -29.922 4.189 18.721 2.605 –
           
UCC 1.222 -29.948 4.226 18.75 2.597 5.193
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

Search coordinates in CDS | Simbad

Estimated members

Blanco 1 UCC
Blanco 1 HUNT23
Blanco 1 CANTAT20

Explore data in Colab

Fundamental parameters

Reference Values
Dias et al. (2002) E(B-V)=0.01, Dist=269.0, Age=7.796, [Fe/H]=0.04
Chen et al. (2003) E(B-V)=0.01, HDis=269, Age=0.06, [Fe/H]_1=0.23
Kharchenko et al. (2003) E(B-V)=0.01, Dist=262
Kharchenko et al. (2005) E(B-V)=0.01, Dist=269, logt=8.32
Piskunov et al. (2007) E(B-V)=0.01, Dist=269, logt=8.32, logM=3.475
Piskunov et al. (2008) E(B-V)=0.01, Dist=269, logt=8.32, logM=3.646, logMA=3.48
Kharchenko et al. (2013) E(B-V)=0.012, d=250.0, logt=7.75, [Fe/H]=-0.188
Kharchenko et al. (2016) E(B-V)=0.012, d=250.0, logt=7.75
Loktin & Popova (2017) E(B-V)=0.01, Dist=251, logt=7.796
Yen et al. (2018) E(B-V)=0.007, d=251.6, logt=8.16
Cantat-Gaudin et al. (2018) dmode=235.9
Soubiran et al. (2018) dmode=235.9
Bossini et al. (2019) AV=0.031, Dist=6.876, logA=7.975, Fe/H=0.0
Cantat-Gaudin et al. (2020) AVNN=0.01, DistPc=240.0, AgeNN=8.02
Dias et al. (2021) Av=0.064, Dist=236, logage=8.012, [Fe/H]=-0.016
Rain et al. (2021) E(B-V)=0.01, Dist=235.9, log(Age)=7.97, NBSS=0
Jaehnig et al. (2021) dmode=0.235
Tarricq et al. (2022) Dist=239, logAgeNN=8.03
He et al. (2022) A0=0.05, logAge=7.8
Just et al. (2023) logt=7.75, logmt=2.639
Hunt & Reffert (2023) AV50=0.057, diffAV50=0.404, MOD50=6.87, logAge50=8.239
Cavallo et al. (2024) AV50=0.36, dMod50=6.93, logAge50=7.92, [Fe/H]50=0.05
Hunt & Reffert (2024) MassJ=465.332, MassTot=529.090
Alfonso et al. (2024) AV=0.01050, MOD=6.89963, logAge=7.90026, Z=-0.0155

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster % RA DEC Plx pmRA pmDE Rv UTI
CWWDL 14677 50.1 1.03 -30.01 4.23 18.75 2.61 5.52 0.0
Dzeta Scul 2.3 0.43 -30.2 4.21 18.72 2.39 6.9 0.12