All names: Gaia DR2 667482791617070208, SDSS J075513.98+165840.7, Gaia DR3 667482791617070208, GALEX J075514.0+165841
Parameter | Unit | Simbad |
---|---|---|
Right ascension | 07 55 13.99 (0.4) | |
Declination | 16 58 40.78 (0.3) | |
Spectral type | D+? | |
Effective temperature | [K] | |
log(g) | [cgs] | |
Mass | [M☉] | |
log(Luminosity) | [L☉] | |
Cooling age | [Gyr] | |
log(H/He) | ||
log(C/He) | ||
log(Ca/He) | ||
log(Ca/H) | ||
Parallax | [mas] | |
Distance | [pc] | |
Composition | ||
Proper motion (right ascension) | [mas/yr] | -6.555 (0.6) |
Proper motion (declination) | [mas/yr] | 0.253 (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 | 21.92 (0.1) | |
g magnitude | 20.96 (0.03) | |
r magnitude | 20.13 (0.02) | |
i magnitude | 19.44 (0.02) | |
z magnitude | 18.96 (0.04) | |
G magnitude | 19.94 (0.005) | |
BP magnitude | ||
RP magnitude | ||
Pan g magnitude | ||
Pan r magnitude | ||
Pan i magnitude | ||
Pan z magnitude | ||
Pan y magnitude | ||
E(B-V) |
* Constant surface field
Spectra without link are available upon request
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.