Gaia DR2 4268167357267580160

All names: 2MASS J19124613+0242390, Gaia DR2 4268167357267580160, Gaia EDR3 4268167357267580160, USNO-B1.0 0927-00581017, WDJ191246.12+024239.10, WDJ191246.12+024239.11, Gaia DR3 4268167357267580160, LSPM J1912+0242, J1912+0242, TIC 181835663

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 12 45.86 (0.06) 19 12 45.87 (0.07) 19 12 45.87 19 12 45.86 19 12 46.12 (0.06) 19 12 45.87
Declination 02 42 32.22 (0.05) 02 42 32.43 (0.05) 02 42 32.43 02 42 32.22 02 42 39.11 (0.05) 02 42 32.43
Spectral type DZ DZ DZ DZ DZ DZ
Effective temperature [K] 6466.0 (57) 5867.0 (36) 6280.2 (37) 6280.0 (40) 7239.0 6971.0 6158.0 (44)
log(g) [cgs] 8.18 (0.03) 8.07 (0.01) 8.11 (0.02) 8.11 (0.02) 8.47 8.38 8.13 (0.01)
Mass [M] 0.683 (0.02) 0.614 (0.01) 0.898 0.82 0.651 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 3.4900 3.4330 3.3140
log(H/He)
log(C/He)
log(Ca/He) -9.52
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] 31.42 (0.07) 31.42 (0.07) 31.64 (0.09) 31.64 (0.09) 31.64 (0.09) 31.42 31.42 (0.07) 31.64 (0.09)
Distance [pc] 31.82 (0.07) 31.83 (0.07) 31.61 (0.09) 31.60 (0.09) 31.60 (0.09) 31.82 31.82 (0.07) 31.60 (0.09)
Composition He He
Proper motion (right ascension) [mas/yr] -248.0518755 (0.07) -248.3501904 (0.1) -248.052 (0.07) -248.3501904
Proper motion (declination) [mas/yr] -430.7837603 (0.06) -430.7614721 (0.1) -430.784 (0.06) -430.7614721
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude 16.20
I magnitude
J magnitude 16.10 (0.1) 16.10 (0.1)
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 16.51 (0.003) 16.52 16.52 16.51 16.51 (0.003) 16.52
BP magnitude 16.75 (0.003) 16.77 16.77
RP magnitude 16.15 (0.005) 16.15 16.15
Pan g magnitude 16.72 (0.009) 16.72 (0.009)
Pan r magnitude 16.51 (0.003) 16.51 (0.003)
Pan i magnitude 16.53 (0.0008) 16.54 (0.0008)
Pan z magnitude 16.63 (0.005) 16.63 (0.005)
Pan y magnitude 16.64 (0.004) 16.64 (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.