WD 2048-250

All names: GALEX J205059.9-245205, Gaia DR3 6805808514433280000, 2MASS J20505987-2452035, LP 872-20, WD 2048-250, Gaia EDR3 6805808514433280000, NLTT 49985, J2051-2452, Gaia DR2 6805808514433280000, PSO J312.7503-24.8683, TIC 29257211, WDJ205059.90-245203.79

Parameter Unit Gaia EDR3 Pan-STARRS DR1 O'Brien et al. 2024 Caron et al. 2023 Blouin et al. 2019 MWDD H Gaia DR2 Stilism Holberg et al. 2016 Sion et al. 2014 Giammichele et al. 2012 Kawka et Vennes 2006 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 20 51 00.15 (0.03) 20 51 00.14 (0.04) 20 50 59.76 20 51 00.15 20 50 59.90 (0.03) 20 51 00.14 20 50 59.76
Declination -24 52 06.83 (0.02) -24 52 06.74 (0.02) -24 52 01.20 -24 52 06.83 -24 52 03.79 (0.02) -24 52 06.74 -24 51 56.16
Spectral type DA DA DA DA DA DA6.6 DA DA DA DA DA6.6
Effective temperature [K] 7512.0 (58) 7540.0 (24) 7465.0 (70) 7522.0 7613.0 (213) 7630.0 7612.0 (221) 7630.0 (150) 7598.0 (30)
log(g) [cgs] 8.07 (0.02) 8.09 (0.005) 8.07 (0.02) 8.08 8.18 (0.3) (0) 8.31 (0.3) 8.10 (0.007)
Mass [M] 0.635 (0.01) 0.647 (0.004) 0.637 (0.01) 0.644 0.71 (0.2) 0.59 (0) 0.79 (0.2) 0.652 (0.006)
log(Luminosity) [L] -3.31
Cooling age [Gyr] 1.4800 1.4170 (0.05) 1.4100 1.9400 1.2300
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 37.31 (0.04) 37.31 (0.04) 37.31 (0.05) 37.31 (0.05) 37.31 (0.05) 37.31 37.31 (0.04) 37.31 (0.05)
Distance [pc] 26.80 (0.03) 26.80 (0.03) 26.80 (0.04) 26.80 (0.04) 26.80 (0.04) 24.56 (2) 22.00 28.20 (1) 22.00 26.80 26.80 (0.03) 26.80 (0.04)
Composition H H H H H
Proper motion (right ascension) [mas/yr] 213.1547225 (0.04) 213.2666855 (0.08) 213.155 (0.04) 213.2666855
Proper motion (declination) [mas/yr] -190.3150241 (0.03) -190.2722073 (0.05) -190.315 (0.03) -190.2722073
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.80
V magnitude 15.42 15.42 15.60
R magnitude 15.20
I magnitude
J magnitude 14.85 (0.004) 14.90 (0.04) 14.90 14.90 (0.04)
H magnitude 14.70 (0.04) 14.70 (0.04) 14.70 14.70 (0.04)
K magnitude 14.70 (0.01) 14.60 (0.08) 14.60 14.60 (0.08)
u magnitude
g magnitude 15.57 (0.003)
r magnitude 15.46 (0.003)
i magnitude 15.46 (0.001)
z magnitude 15.54 (0.005)
G magnitude 15.41 (0.002) 15.42 15.41 15.41 (0.003) 15.42
BP magnitude 15.56 (0.002) 15.56 15.56
RP magnitude 15.13 (0.002) 15.13 15.13
Pan g magnitude 15.57 (0.003) 15.57 (0.003) 15.57 (0.003)
Pan r magnitude 15.46 (0.003) 15.46 (0.003) 15.46 (0.003)
Pan i magnitude 15.46 (0.001) 15.46 (0.001) 15.46 (0.001)
Pan z magnitude 15.54 (0.005) 15.54 (0.005) 15.54 (0.005)
Pan y magnitude 15.59 (0.007) 15.59 (0.008) 15.59 (0.008)
E(B-V) 0.001

* 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.