Gaia DR2 4240231824768647040

All names: Gaia DR3 4240231824768647040, 2MASS J19500362+0033571, Gaia EDR3 4240231824768647040, TIC 393440631, WDJ195003.62+003357.09, Gaia DR2 4240231824768647040, J1950+0033, WDJ19503.62+003357.08

Parameter Unit Gaia EDR3 Pan-STARRS DR1 O'Brien et al. 2024 Caron et al. 2023 McCleery et al. 2020 Tremblay et al. 2020 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 19 50 03.68 (0.06) 19 50 03.68 (0.07) 19 50 03.68 19 50 03.68 19 50 03.62 (0.06) 19 50 03.68
Declination 00 33 59.30 (0.05) 00 33 59.23 (0.05) 00 33 59.23 00 33 59.30 00 33 57.09 (0.05) 00 33 59.23
Spectral type DA DA DA DA DA DA
Effective temperature [K] 5833.0 (42) 5806.0 (16) 5797.2 (36) 5800.0 (40) 5824.0 5561.0 5840.0 (36)
log(g) [cgs] 7.94 (0.03) 7.93 (0.007) 7.93 (0.02) 7.93 (0.03) 7.95 7.77 7.94 (0.01)
Mass [M] 0.551 (0.02) 0.548 (0.006) 0.554 0.441 0.55 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 2.3100 2.2220 2.3910
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] 27.87 (0.07) 27.87 (0.07) 27.88 (0.09) 27.88 (0.09) 27.88 (0.09) 27.87 27.87 (0.07) 27.88 (0.09)
Distance [pc] 35.88 (0.09) 35.88 (0.09) 35.87 (0.1) 35.86 (0.1) 35.86 (0.1) 35.88 35.88 (0.09) 35.86 (0.1)
Composition H H
Proper motion (right ascension) [mas/yr] 55.7756912 (0.07) 55.78272651 (0.2) 55.776 (0.07) 55.78272651
Proper motion (declination) [mas/yr] 138.1906241 (0.05) 138.1099372 (0.1) 138.191 (0.05) 138.1099372
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 15.77 (0.07) 15.77 (0.07)
H magnitude 15.46 (0.1) 15.46 (0.1)
K magnitude 15.75 (0.2) 15.75 (0.2)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 16.84 (0.004) 16.85 16.85 16.84 16.84 (0.003) 16.85
BP magnitude 17.15 (0.004) 17.16 17.16
RP magnitude 16.35 (0.004) 16.36 16.36
Pan g magnitude 17.21 (0.003) 17.21 (0.003)
Pan r magnitude 16.84 (0.003) 16.84 (0.004)
Pan i magnitude 16.70 (0.003) 16.70 (0.004)
Pan z magnitude 16.68 (0.007) 16.68 (0.006)
Pan y magnitude 16.67 (0.005) 16.67 (0.004)
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.