NGC 581

Clickable Image

UCC G128.0-01.7
C1 C2 C3
N_50
r_50
1.0 0.81 AA 158 2.8

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Positions

Reference RA DEC Plx pmRA pmDE Rv
Dambis (1999) 23.346 60.65 – – – –
Chen et al. (2003) 23.242 60.662 – -1.6 0.66 -37.0
Kharchenko et al. (2012) 23.316 60.652 – -1.14 0.37 –
Loktin & Popova (2017) 23.34 60.65 – -0.263 -0.467 -41.4
Bossini et al. (2019) 23.339 60.659 – – – –
Cantat-Gaudin et al. (2020) 23.339 60.659 0.373 -1.384 -0.497 –
Dias et al. (2021) 23.331 60.66 0.374 -1.383 -0.493 –
Jaehnig et al. (2021) 23.331 60.658 0.4 -1.389 -0.504 –
Hunt & Reffert (2023) 23.36 60.656 0.366 -1.394 -0.598 -38.142
Cavallo et al. (2024) 23.327 60.66 0.366 – – –
UCC 23.34 60.66 0.361 -1.393 -0.591 -38.143

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Estimated members

NGC 581 UCC
NGC 581 HUNT23
NGC 581 CANTAT20

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Fundamental parameters

Reference Values
Dambis (1999) E_B-V_=0.414, DM0=12.08, log_age_=7.2
Chen et al. (2003) HDis=2194.0, Age=0.02
Kharchenko et al. (2012) e_bv=0.331, distance=2199, log_age=7.44
Loktin & Popova (2017) E(B-V)=0.378, Dmod=11.712, logt=7.337
Bossini et al. (2019) AV=1.213, Dist=12.117, logA=7.418, Fe/H=0.0
Cantat-Gaudin et al. (2020) AVNN=1.09, DMNN=11.99, AgeNN=7.44
Dias et al. (2021) Av=1.45, Dist=2292, logage=7.469, [Fe/H]=-0.02
Hunt & Reffert (2023) AV50=1.29, diffAV50=0.93, MOD50=11.994, logAge50=7.671
Cavallo et al. (2024) AV50=1.58, dMod50=12.19, logAge50=7.35, [Fe/H]50=-0.1

Probable duplicates

Cluster P (%) RA DEC Plx pmRA pmDE Rv
UBC 186 28 23.474 60.662 0.343 -1.328 -0.49 –


Last modified: 2025-01-31