All names: WD 0730+388, Gaia DR2 899372439615458944, SDSS J073332.71+384600.1, [HHD2009] SDSS J0733+3846, SDSS J073332.72+384600.2, Gaia EDR3 899372439615458944, GALEX J073332.7+384600, Gaia DR3 899372439615458944
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|
Right ascension | 07 33 32.72 (0.3) | 07 33 32.72 | 07 33 32.72 (0.4) | 07 33 32.72 (0.3) | 07 33 32.23 | ||
Declination | 38 46 00.18 (0.3) | 38 46 00.20 | 38 46 00.18 (0.4) | 38 46 00.19 (0.3) | 38 45 59.04 | ||
Spectral type | D+M | WD M | |||||
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] | -0.22 (0.4) | -0.37 (0.5) | ||||
Distance | [pc] | ||||||
Composition | |||||||
Proper motion (right ascension) | [mas/yr] | 0.833066216 (0.4) | 0.223167739 (0.8) | 0.833 (0.4) | |||
Proper motion (declination) | [mas/yr] | -0.385369341 (0.3) | -0.783979344 (0.7) | -0.385 (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 | 20.20 (0.04) | 20.19 (0.05) | 20.17 | ||||
g magnitude | 20.15 (0.02) | 20.15 (0.02) | 20.14 | ||||
r magnitude | 19.54 (0.02) | 19.55 (0.02) | 19.54 | ||||
i magnitude | 19.05 (0.02) | 19.06 (0.01) | 19.06 | ||||
z magnitude | 19.02 (0.04) | 19.02 (0.04) | 19.02 | ||||
G magnitude | 19.39 (0.07) | 19.41 | 19.39 (0.005) | ||||
BP magnitude | 19.98 (0.07) | 20.02 | |||||
RP magnitude | 18.66 (0.05) | 18.58 | |||||
Pan g magnitude | 20.06 (0.01) | ||||||
Pan r magnitude | 19.54 (0.01) | ||||||
Pan i magnitude | 19.02 (0.006) | ||||||
Pan z magnitude | 18.80 (0.02) | ||||||
Pan y magnitude | 18.63 (0.02) | ||||||
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.