NGC 1893

(MWSC 516)

Click to load Aladin Lite
UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.86 1.0 0.75 1.0 1.0
C3
N_50
r_50
AB 405 3.6
Summary

NGC 1893 is a rich, very dense object of high C3 quality. It is located at a moderate distance from the Sun, below the mid-plane. It is very well-studied in the literature.

This object shares a small percentage of members with 2 later reported entries.

Search object in SciX | Simbad

Positions

Reference RA DEC Plx pmRA pmDE Rv
Dambis (1999) 80.683 33.412 – – – –
Dias et al. (2002) 80.683 33.412 – -0.35 -3.97 -4.56
Chen et al. (2003) 80.674 33.388 – -1.3 0.21 -4.7
Kharchenko et al. (2003) 80.68 33.41 – -0.45 -4.72 –
Kharchenko et al. (2005) 80.68 33.41 – 0.35 -4.37 -2.25
Piskunov et al. (2007) 80.671 33.41 – – – –
Kharchenko et al. (2007) 80.68 33.41 – 0.2 – -2.25
Piskunov et al. (2008) 80.671 33.41 – – – –
Kharchenko et al. (2012) 80.707 33.43 – 2.25 -5.65 -9.17
Kharchenko et al. (2013) 80.707 33.43 – 2.25 -5.65 -9.2
Kharchenko et al. (2016) 80.698 33.43 – – – –
Loktin & Popova (2017) 80.7 33.43 – 0.468 -1.594 -9.2
Cantat-Gaudin et al. (2018) 80.724 33.444 0.267 -0.231 -1.41 –
Soubiran et al. (2018) 80.724 33.444 – – – -3.72
Cantat-Gaudin et al. (2020) 80.724 33.444 0.267 -0.231 -1.41 –
Dias et al. (2021) 80.753 33.443 0.26 -0.216 -1.435 –
Rain et al. (2021) 80.724 33.444 0.267 -0.231 -1.41 –
Jaehnig et al. (2021) 80.724 33.447 0.283 -0.205 -1.396 –
Just et al. (2023) 80.698 33.43 – – – –
Hunt & Reffert (2023) 80.702 33.426 0.295 -0.29 -1.398 21.59
Cavallo et al. (2024) 80.737 33.453 0.298 – – –
Celli et al. (2024) 80.724 33.444 – – – –
Hunt & Reffert (2024) 80.702 33.426 0.295 -0.29 -1.398 21.59
Almeida et al. (2025) 80.753 33.443 – – – –
           
UCC 80.726 33.446 0.3 -0.283 -1.411 20.89
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

Search coordinates in CDS | Simbad

Estimated members

NGC 1893 UCC
NGC 1893 HUNT23
NGC 1893 CANTAT20

Explore data in Colab

Fundamental parameters

Reference Values
Dambis (1999) E_B-V_=0.501, DM0=12.1, log_age_=6.4
Dias et al. (2002) E(B-V)=0.56, Dist=3500.0, Age=6.18
Chen et al. (2003) HDis=3280, Age=0.01
Kharchenko et al. (2003) E(B-V)=0.4, Dist=3333
Kharchenko et al. (2005) E(B-V)=0.4, Dist=3280, logt=6.82
Piskunov et al. (2007) E(B-V)=0.4, Dist=3280, logt=6.82, logM=2.703
Piskunov et al. (2008) E(B-V)=0.4, Dist=3280, logt=6.82, logM=3.48, logMA=3.461
Kharchenko et al. (2012) E(B-V)=0.949, d=3300.0, logt=6.55
Kharchenko et al. (2013) E(B-V)=0.949, d=3300.0, logt=6.55
Kharchenko et al. (2016) E(B-V)=0.949, d=3300.0, logt=6.55
Loktin & Popova (2017) E(B-V)=0.578, Dist=3268, logt=7.047
Cantat-Gaudin et al. (2018) dmode=3373.5
Soubiran et al. (2018) dmode=3373.5
Cantat-Gaudin et al. (2020) AVNN=1.28, DistPc=3222.0, AgeNN=6.64
Dias et al. (2021) Av=1.686, Dist=3019, logage=7.04, [Fe/H]=-0.104
Rain et al. (2021) E(B-V)=0.56, Dist=3373.5, log(Age)=6.18, NBSS=0
Jaehnig et al. (2021) dmode=3.472
Just et al. (2023) logt=6.55, logmt=2.844
Hunt & Reffert (2023) AV50=1.522, diffAV50=2.449, MOD50=12.347, logAge50=7.322
Cavallo et al. (2024) AV50=1.3, dMod50=12.01, logAge50=7.32, [Fe/H]50=0.19
Celli et al. (2024) Age=4.4, Mc=1205.1
Hunt & Reffert (2024) MassJ=1537.91, MassTot=1537.91
Almeida et al. (2025) AV=1.686, Dist=3019, logAge=7.04, MassRk=743.5

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster % RA DEC Plx pmRA pmDE Rv UTI
OC 0293 15.8 80.71 33.43 0.32 -0.32 -1.43 38.23 0.0
SAI 48 3.7 80.86 33.49 0.3 -0.15 -1.26 40.83 0.11