Trumpler 23

(Collinder 295; OCL 950; VDBH 180; vdBergh-Hagen 180; ESO 178 06; MWSC 2343)

Click to load Aladin Lite

UCC G328.8-00.4

C3
N_50
r_50
AA 750 3.8

Search object in NASA/SAO ADS | Simbad

Positions

Reference RA DEC Plx pmRA pmDE Rv
Dias et al. (2002) 240.204 -53.536 -2.42 -4.31
Kharchenko et al. (2012) 240.218 -53.533 -5.67 -4.96
Bica et al. (2019) 240.196 -53.532
Cantat-Gaudin et al. (2020) 240.218 -53.539 0.352 -4.178 -4.746
Dias et al. (2021) 240.214 -53.544 0.349 -4.162 -4.748 -63.27
Hunt & Reffert (2023) 240.214 -53.537 0.367 -4.21 -4.758 -48.477
Cavallo et al. (2024) 240.222 -53.54 0.367
Hunt & Reffert (2024) 240.214 -53.537 0.367 -4.21 -4.758 -48.477
Hu & Soubiran (2025) 240.222 -53.54
UCC 240.218 -53.538 0.363 -4.208 -4.758 -60.974

Search coordinates in CDS | Simbad

Estimated members

Explore data in Colab

Fundamental parameters

Reference Values
Dias et al. (2002) E(B-V)=0.58, Dist=1900.0, Age=8.95
Kharchenko et al. (2012) e_bv=0.604, distance=2194, log_age=8.96
Cantat-Gaudin et al. (2020) AVNN=2.18, DMNN=12.07, AgeNN=8.85
Dias et al. (2021) Av=2.729, Dist=2228, logage=8.466, [Fe/H]=0.127
Hunt & Reffert (2023) AV50=2.838, diffAV50=1.536, MOD50=11.969, logAge50=8.521
Cavallo et al. (2024) AV50=2.83, dMod50=11.34, logAge50=8.94, [Fe/H]50=-0.26
Hunt & Reffert (2024) MassJ=6307.31
Hu & Soubiran (2025) MA22=-0.17, MA23f=-0.15, MA23g=0.18, MZ23=0.1, MK24=-0.11, MF24=-0.21

Search coordinates in Bayestar19

Cluster region