Alessi 50

(DSH J0622.0+2104; FSR 0901)

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.8 1.0 0.62 0.44 1.0
C3
N_50
r_50
AC 239 3.7
Summary

Alessi 50 is a rich, very dense object of intermediate C3 quality. It is located at a moderate distance from the Sun, above the mid-plane. It is poorly studied in the literature.

This object shares a moderate percentage of members with a later reported entry.

Search object in SciX | Simbad

Positions

Reference RA DEC Plx pmRA pmDE Rv
Kronberger et al. (2006) 95.512 21.07 – – – –
Bica et al. (2019) 95.514 21.068 – – – –
Hunt & Reffert (2023) 95.518 21.073 0.301 0.267 1.275 22.436
Cavallo et al. (2024) 95.523 21.077 0.302 – – –
Hunt & Reffert (2024) 95.518 21.073 0.301 0.267 1.275 22.436
Zhang et al. (2024) 95.518 21.073 – – – –
Hu & Soubiran (2025) 95.523 21.077 – – – –
           
UCC 95.524 21.071 0.313 0.261 1.267 24.491
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

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Estimated members

Alessi 50 UCC
Alessi 50 HUNT23

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Fundamental parameters

Reference Values
Hunt & Reffert (2023) AV50=1.179, diffAV50=0.689, MOD50=12.42, logAge50=9.286
Cavallo et al. (2024) AV50=1.56, dMod50=12.23, logAge50=9.43, [Fe/H]50=-0.21
Hunt & Reffert (2024) MassJ=845.304, MassTot=856.680
Zhang et al. (2024) [Fe/H]ANN=-0.4958, [Fe/H]MCMC=-0.5093
Hu & Soubiran (2025) MA22=-0.18, MA23f=-0.51, MA23g=-0.38, MZ23=-0.41, MK24=-0.37, MF24=-0.34

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster % RA DEC Plx pmRA pmDE Rv UTI
UBC 1307 39.3 95.52 21.07 0.29 0.26 1.29 25.0 0.0