All names: Gaia DR3 899026333971204096, Gaia DR2 899026333971204096, SDSS J073023.63+383207.2, GALEX J073023.6+383207
Parameter | Unit | Simbad |
---|---|---|
Right ascension | 07 30 23.63 (0.6) | |
Declination | 38 32 07.27 (0.5) | |
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] | 1.108 (0.7) |
Proper motion (declination) | [mas/yr] | -9.245 (0.6) |
Variability | ||
Magnetic | ||
Bd | [MG] | |
Infrared excess (disk) | ||
Binarity | ||
B magnitude | ||
V magnitude | ||
R magnitude | ||
I magnitude | ||
J magnitude | ||
H magnitude | ||
K magnitude | ||
u magnitude | 22.26 (0.2) | |
g magnitude | 20.94 (0.04) | |
r magnitude | 20.06 (0.02) | |
i magnitude | 19.32 (0.02) | |
z magnitude | 18.83 (0.04) | |
G magnitude | 20.06 (0.007) | |
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.