All names: SDSS J081415.76+184741.0, SDSS J081415.75+184741.0, Gaia DR3 657465931450644608, GALEX J081415.7+184741, Gaia DR2 657465931450644608, Gaia EDR3 657465931450644608
Parameter | Unit | Gaia EDR3 | Stilism | Simbad | Vincent et al. 2023 |
---|---|---|---|---|---|
Right ascension | 08 14 15.75 (0.3) | 08 14 15.76 (0.3) | |||
Declination | 18 47 41.00 (0.2) | 18 47 41.14 (0.2) | |||
Spectral type | DC | DA | |||
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] | 4.44 (0.4) | 4.44 (0.4) | ||
Distance | [pc] | 225.19 (22) | 225.19 (22) | ||
Composition | |||||
Proper motion (right ascension) | [mas/yr] | -16.84 (0.4) | -16.84 (0.4) | ||
Proper motion (declination) | [mas/yr] | -8.493 (0.3) | -8.493 (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 | 19.50 (0.03) | ||||
g magnitude | 19.38 (0.01) | ||||
r magnitude | 19.52 (0.01) | ||||
i magnitude | 19.68 (0.02) | ||||
z magnitude | 19.82 (0.07) | ||||
G magnitude | 19.42 (0.004) | 19.42 (0.004) | |||
BP magnitude | 19.51 (0.04) | ||||
RP magnitude | 19.42 (0.06) | ||||
Pan g magnitude | |||||
Pan r magnitude | |||||
Pan i magnitude | |||||
Pan z magnitude | |||||
Pan y magnitude | |||||
E(B-V) | 0.011 |
* 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.