SDSS J154314.63+043447.9

All names: SDSS J154314.62+043447.9, Gaia DR3 4427781806645565184, SDSS J154314.63+043447.9, SDSS J154314.62+043447.8, Gaia EDR3 4427781806645565184, GALEX J154314.6+043448, Gaia DR2 4427781806645565184

Parameter Unit Gaia EDR3 SDSS DR12 MWDD H Gaia DR2 Simbad Kleinman et al. 2013
Right ascension 15 43 14.62 (0.5) 15 43 14.63 15 43 14.62 (0.6) 15 43 14.63 (0.5) 15 43 14.63
Declination 04 34 47.82 (0.6) 04 34 47.84 04 34 47.83 (0.7) 04 34 47.96 (0.6) 04 34 47.86
Spectral type DA DA DA
Effective temperature [K] 14508.0 15809.0 (838)
log(g) [cgs] 7.69 7.24 (0.3)
Mass [M☉] 0.451 0.348 (0.06)
log(Luminosity) [L☉]
Cooling age [Gyr] 0.1362
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] -0.31 (0.8) -1.37 (1)
Distance [pc]
Composition H
Proper motion (right ascension) [mas/yr] -7.24525838 (0.8) -8.133529346 (2) -7.245 (0.8)
Proper motion (declination) [mas/yr] -8.36328114 (0.8) -4.281704328 (2) -8.363 (0.8)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.49 (0.05) 20.51 (0.05) 20.51 (0.05)
g magnitude 20.12 (0.02) 20.13 (0.02) 20.13 (0.02)
r magnitude 20.40 (0.02) 20.42 (0.02) 20.42 (0.02)
i magnitude 20.67 (0.04) 20.69 (0.04) 20.69 (0.04)
z magnitude 20.91 (0.2) 20.80 (0.2) 20.80 (0.2)
G magnitude 20.30 (0.08) 20.36 20.30 (0.007)
BP magnitude 20.39 (0.08) 20.37
RP magnitude 20.35 (0.2) 20.20
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V)

* 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.