SDSS J164303.86+393042.5

All names: SDSS J164303.86+393042.5, Gaia EDR3 1355633756136197376, GALEX J164303.7+393043, Gaia DR2 1355633756136197376, SDSS J164303.85+393042.4, SDSS J164303.85+393042.5, SDSS J164303.86+393042.52, Gaia DR3 1355633756136197376

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 MWDD H Gaia DR2 Stilism Kepler et al. 2015 Simbad Vincent et al. 2023
Right ascension 16 43 03.85 (0.2) 16 43 03.86 16 43 03.85 (0.3) 16 43 03.86 (0.2)
Declination 39 30 42.55 (0.2) 39 30 42.48 39 30 42.55 (0.3) 39 30 42.46 (0.2)
Spectral type DA DA DA DA
Effective temperature [K] 19145.0 22565.0 (322)
log(g) [cgs] 7.39 7.93 (0.05)
Mass [M] 0.355 0.593 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 0.0160
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] 1.35 (0.2) 1.35 (0.3) 1.35 (0.2)
Distance [pc] 739.72 (110) 741.76 (164) 739.70 (110)
Composition H
Proper motion (right ascension) [mas/yr] -1.966319495 (0.2) -2.796922601 (0.7) -1.966 (0.2)
Proper motion (declination) [mas/yr] 6.099282252 (0.3) 6.220409786 (0.8) 6.099 (0.3)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.12 (0.02) 19.11 (0.03) 19.12 (0.02)
g magnitude 19.10 (0.01) 19.11 (0.02) 19.10 (0.01)
r magnitude 19.54 (0.01) 19.55 (0.02) 19.54 (0.01)
i magnitude 19.79 (0.02) 19.78 (0.03) 19.79 (0.02)
z magnitude 20.09 (0.1) 20.10 (0.1) 20.09 (0.1)
G magnitude 19.31 (0.03) 19.34 19.31 (0.004)
BP magnitude 19.30 (0.03) 19.09
RP magnitude 19.64 (0.06) 19.65
Pan g magnitude 19.14 (0.009)
Pan r magnitude 19.49 (0.01)
Pan i magnitude 19.82 (0.01)
Pan z magnitude 20.07 (0.02)
Pan y magnitude 19.92 (0.1)
E(B-V) 0.020

* 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.