Gaia DR2 470639806179201792

All names: Gaia DR2 470639806179201792, Gaia EDR3 470639806179201792, NLTT 13088, 2MASS J04231375+5745267, LSPM J0423+5745, Gaia DR3 470639806179201792, TIC 8408445, LP 84-16, WDJ042313.75+574526.75, WDJ042313.75+574526.76, J0423+5745, USNO-B1.0 1477-00168639

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 04 23 13.65 (0.04) 04 23 13.66 (0.05) 04 23 13.66 04 23 13.65 04 23 13.75 (0.04) 04 23 13.66
Declination 57 45 23.03 (0.03) 57 45 23.15 (0.03) 57 45 23.15 57 45 23.03 57 45 26.76 (0.03) 57 45 23.15
Spectral type DC DC DC DC DC DC
Effective temperature [K] 7140.0 (61) 7099.0 (34) 7110.5 (37) 7110.0 (40) 7663.0 7368.0 6859.0 (38)
log(g) [cgs] 8.18 (0.02) 8.17 (0.008) 8.18 (0.02) 8.18 (0.02) 8.40 8.31 8.13 (0.008)
Mass [M] 0.688 (0.02) 0.678 (0.007) 0.854 0.774 0.655 (0.008)
log(Luminosity) [L]
Cooling age [Gyr] 2.0400 2.6710 2.5140
log(H/He) -3.4
log(C/He)
log(Ca/He)
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] 26.76 (0.05) 26.76 (0.05) 26.73 (0.07) 26.73 (0.07) 26.73 (0.07) 26.76 26.77 (0.05) 26.73 (0.07)
Distance [pc] 37.36 (0.07) 37.37 (0.07) 37.41 (0.1) 37.41 (0.1) 37.41 (0.1) 37.36 37.36 (0.07) 37.41 (0.1)
Composition He He
Proper motion (right ascension) [mas/yr] -45.74638408 (0.05) -45.76673218 (0.1) -45.746 (0.05) -45.76673218
Proper motion (declination) [mas/yr] -232.7248745 (0.04) -232.5427026 (0.09) -232.725 (0.04) -232.5427026
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.60
V magnitude
R magnitude 16.30
I magnitude
J magnitude 16.11 (0.09) 16.11 (0.09)
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 16.56 (0.002) 16.57 16.57 16.56 16.56 (0.003) 16.57
BP magnitude 16.71 (0.002) 16.71 16.71
RP magnitude 16.29 (0.003) 16.29 16.29
Pan g magnitude 16.72 (0.003) 16.72 (0.004)
Pan r magnitude 16.60 (0.003) 16.60 (0.003)
Pan i magnitude 16.63 (0.003) 16.63 (0.004)
Pan z magnitude 16.72 (0.003) 16.72 (0.003)
Pan y magnitude 16.77 (0.007) 16.77 (0.006)
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.