All names: SDSS J085118.78+190923.9, Gaia DR3 660642420542914560, Gaia EDR3 660642420542914560, SDSS J085118.78+190923.91, SDSS J085118.77+190923.9, Gaia DR2 660642420542914560
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kepler et al. 2016 | Simbad |
---|---|---|---|---|---|---|
Right ascension | 08 51 18.78 (0.3) | 08 51 18.78 | 08 51 18.78 (0.3) | |||
Declination | 19 09 23.89 (0.2) | 19 09 23.91 | 19 09 23.91 (0.2) | |||
Spectral type | DA | DA | ||||
Effective temperature | [K] | 7965.0 (65) | ||||
log(g) | [cgs] | 6.58 (0.2) | ||||
Mass | [M☉] | 0.16745 (0.006) | ||||
log(Luminosity) | [L☉] | |||||
Cooling age | [Gyr] | |||||
log(H/He) | ||||||
log(C/He) | ||||||
log(Ca/He) | ||||||
log(Ca/H) | ||||||
Parallax | [mas] | -0.25 (0.3) | ||||
Distance | [pc] | |||||
Composition | ||||||
Proper motion (right ascension) | [mas/yr] | -0.400223855 (0.4) | -0.4 (0.4) | |||
Proper motion (declination) | [mas/yr] | -0.925368761 (0.3) | -0.925 (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 | 21.08 (0.08) | 21.07 (0.07) | 21.07 (0.07) | |||
g magnitude | 19.91 (0.01) | 19.95 (0.02) | 19.95 (0.02) | |||
r magnitude | 19.71 (0.02) | 19.75 (0.02) | 19.75 (0.02) | |||
i magnitude | 19.64 (0.02) | 19.68 (0.03) | 19.68 (0.03) | |||
z magnitude | 19.60 (0.08) | 19.58 (0.07) | 19.58 (0.07) | |||
G magnitude | 19.68 (0.05) | 19.68 (0.004) | ||||
BP magnitude | 19.85 (0.05) | |||||
RP magnitude | 19.30 (0.04) | |||||
Pan g magnitude | 19.91 (0.02) | |||||
Pan r magnitude | 19.71 (0.01) | |||||
Pan i magnitude | 19.63 (0.01) | |||||
Pan z magnitude | 19.59 (0.02) | |||||
Pan y magnitude | 19.47 (0.03) | |||||
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.