WD 2138-332

All names: L570-26, NLTT 51844, WD 2138-332, Gaia DR2 6592315723192176896, GALEX J214157.4-330030, CNS5 5344, 2MASS J21415758-3300296, L 570-26, J2141-3300, Gaia EDR3 6592315723192176896, WDJ214157.57-330029.80, Gaia DR3 6592315723192176896, TIC 204440456, LEHPM 2-3327

Parameter Unit Gaia EDR3 O'Brien et al. 2024 Coutu et al. 2019 Gaia DR2 Stilism Holberg et al. 2016 Sion et al. 2014 Giammichele et al. 2012 Girven et al. 2012 Subasavage et al. 2009 Holberg et al. 2008 Subasavage et al. 2007 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 21 41 57.33 (0.02) 21 41 57.57 21 41 57.34 (0.03) 21 41 57.36 21 41 57.56 21 41 57.56 21 41 57.33 21 41 57.57 (0.02) 21 41 57.34 21 41 57.72
Declination -33 00 31.61 (0.01) -33 00 29.80 -33 00 31.56 (0.02) -33 00 28.80 -33 00 29.80 -33 00 29.80 -33 00 31.61 -33 00 29.80 (0.01) -33 00 31.56 -33 00 23.76
Spectral type DZAH DZ DZ DZ7 DZ DZ DZ DZ DZ7 DZ7.0
Effective temperature [K] 7113.0 (55) 6908.0 (760) 7400.0 (388) 7240.0 7399.0 (388) 7240.0 (260) 7188.0 (291) 6560.0 (16)
log(g) [cgs] 8.13 (0.02) 8.05 8.09 (0.04) 8.19 (0.04) 8.18 (0.03) 7.88 (0.004)
Mass [M] 0.657 (0.01) 0.6018 0.7 (0.02) 0.7 (0.02) 0.69 (0.02) 0.502 (0.003)
log(Luminosity) [L] -3.48 -3.51 (0.02)
Cooling age [Gyr] 1.7200 1.8700 1.8700 1.9600 (0.1)
log(H/He) <-3.793 -5.0
log(C/He)
log(Ca/He) -8.8042 (0.08) -8.6
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 62.07 (0.02) 62.07 (0.02) 62.07 62.07 (0.04) 64.00 (1) 64.00 (1) 64.00 (1) 62.07 62.07 (0.02) 62.07 (0.04) 64.00 (1)
Distance [pc] 16.11 (0.006) 16.11 (0.005) 16.11 (0.009) 16.11 (0.009) 15.63 (0.3) 15.62 15.60 (0.3) 15.62 (0.3) 17.30 17.30 16.11 16.11 (0.006) 16.11 (0.009) 15.62 (0.3)
Composition He He He He He He
Proper motion (right ascension) [mas/yr] -181.4683087 (0.02) -181.456 (0.05) -181.468 (0.02) -181.456144
Proper motion (declination) [mas/yr] -113.3229064 (0.02) -113.308 (0.04) -113.323 (0.02) -113.3081723
Variability
Magnetic
Bd [MG]
Infrared excess (disk) yes
Binarity
B magnitude
V magnitude 13.75 14.47 14.47
R magnitude 14.30 14.30
I magnitude 14.16 14.16
J magnitude 14.17 14.17 (0.03) 14.17 (0.03) 14.17 (0.03)
H magnitude 14.08 14.08 (0.04) 14.08 (0.04) 14.08 (0.04)
K magnitude 13.95 13.95 (0.06) 13.95 (0.06) 13.95 (0.06)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 14.45 (0.001) 14.46 14.45 14.45 (0.003) 14.46
BP magnitude 14.61 (0.001) 14.64 14.64
RP magnitude 14.19 (0.001) 14.20 14.20
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.000

* Constant surface field

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The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.