NGC 1901

Clickable Image

UCC G278.8-33.6
C1 C2 C3
N_50
r_50
1.0 0.75 AB 149 41.8

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Positions

Reference RA DEC Plx pmRA pmDE Rv
Kharchenko et al. (2012) 79.56 -68.44 – 1.68 9.54 –
Loktin & Popova (2017) 79.545 -68.45 – 1.128 1.752 -2.1
Bossini et al. (2019) 79.561 -68.294 – – – –
Cantat-Gaudin et al. (2020) 79.561 -68.294 2.358 1.537 12.67 –
Dias et al. (2021) 79.708 -68.299 2.356 1.571 12.674 1.259
Jaehnig et al. (2021) 79.293 -68.382 2.392 1.697 12.651 –
Tarricq et al. (2022) 79.391 -68.33 2.408 1.703 12.709 –
He et al. (2022) 79.65 -68.229 2.391 1.718 12.716 –
Hunt & Reffert (2023) 79.288 -68.441 2.367 1.703 12.701 0.327
Cavallo et al. (2024) 79.579 -68.081 2.376 – – –
UCC 79.399 -68.294 2.39 1.725 12.708 0.978

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Estimated members

NGC 1901 UCC
NGC 1901 HUNT23
NGC 1901 CANTAT20

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Fundamental parameters

Reference Values
Kharchenko et al. (2012) e_bv=0.021, distance=406, log_age=8.85, metallicity=-0.331
Loktin & Popova (2017) E(B-V)=0.047, Dmod=8.203, logt=8.653
Bossini et al. (2019) AV=0.146, Dist=8.059, logA=8.918, Fe/H=-0.08
Cantat-Gaudin et al. (2020) AVNN=0.21, DMNN=8.15, AgeNN=8.95
Dias et al. (2021) Av=0.113, Dist=419, logage=8.935, [Fe/H]=-0.042
Tarricq et al. (2022) Dist=422, logAgeNN=8.95
He et al. (2022) A0=0.25, logAge=8.95
Hunt & Reffert (2023) AV50=0.124, diffAV50=0.401, MOD50=8.008, logAge50=8.451
Cavallo et al. (2024) AV50=0.31, dMod50=8.15, logAge50=8.73, [Fe/H]50=0.26

Probable duplicates

Cluster P (%) RA DEC Plx pmRA pmDE Rv
CWWDL 14525 99 79.399 -68.294 2.39 1.725 12.708 0.978


Last modified: 2025-01-31