Dias 1

(Alicante 4; Steine 11; MWSC 67)

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C3
N_50
r_50
BB 78 2.4
Summary

Dias 1 is a moderately populated, very dense object of intermediate C3 quality. It is located at a moderate distance from the Sun, above the mid-plane. It is well-studied in the literature.

This object shares a large 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) 10.646 64.068 -2.55 -2.0
Kharchenko et al. (2012) 10.653 64.06 -0.86 1.33
Loktin & Popova (2017) 10.65 64.068 -0.868 0.911
Cantat-Gaudin et al. (2018) 10.63 64.056 0.372 -2.752 -0.523
Bica et al. (2019) 10.616 64.045
Cantat-Gaudin et al. (2020) 10.63 64.056 0.372 -2.752 -0.523
Dias et al. (2021) 10.643 64.066 0.378 -2.751 -0.508
Hunt & Reffert (2023) 10.637 64.054 0.366 -2.761 -0.61 -46.472
Cavallo et al. (2024) 10.623 64.047 0.367
Hunt & Reffert (2024) 10.637 64.054 0.366 -2.761 -0.61 -46.472
Almeida et al. (2025) 10.643 64.066
           
UCC 10.623 64.053 0.366 -2.748 -0.579 -46.489
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

Search coordinates in CDS | Simbad

Estimated members

Explore data in Colab

Fundamental parameters

Reference Values
Dias et al. (2002) E(B-V)=1.08, Dist=1690.0, Age=7.1
Kharchenko et al. (2012) e_bv=0.937, distance=2186, log_age=7.9
Loktin & Popova (2017) E(B-V)=0.806, Dist=1560, logt=8.27
Cantat-Gaudin et al. (2018) dmode=2491.1
Cantat-Gaudin et al. (2020) AVNN=2.35, DistPc=2608.0, AgeNN=7.48
Dias et al. (2021) Av=2.982, Dist=2627, logage=6.991, [Fe/H]=-0.194
Hunt & Reffert (2023) AV50=3.388, diffAV50=1.47, MOD50=12.06, logAge50=7.323
Cavallo et al. (2024) AV50=2.99, dMod50=11.35, logAge50=8.16, [Fe/H]50=-0.54
Hunt & Reffert (2024) MassJ=724.911, MassTot=724.911
Almeida et al. (2025) AV=2.982, Dist=2627, logAge=6.991, MassRk=371.8

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster % RA DEC Plx pmRA pmDE Rv UTI
Cmg 672 98.7 10.64 64.05 0.35 -2.74 -0.59 -46.49 0.26
OC 0228 39.7 10.64 64.05 0.36 -2.75 -0.62 -46.49 0.0