All names: SDSS J093058.55+163504.8, Gaia DR3 631215915971183616, SDSS J093058.55+163504.9, Gaia EDR3 631215915971183616, SDSS J093058.55+163504.88, GALEX J093058.6+163503
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Stilism | Kepler et al. 2015 | Simbad |
---|---|---|---|---|---|---|---|
Right ascension | 09 30 58.54 (1) | 09 30 58.55 | 09 30 58.56 (1) | ||||
Declination | 16 35 05.05 (1) | 16 35 04.90 | 16 35 04.84 (1) | ||||
Spectral type | DA | DA | |||||
Effective temperature | [K] | 8296.0 (128) | |||||
log(g) | [cgs] | 7.52 (0.2) | |||||
Mass | [M☉] | 0.387 (0.07) | |||||
log(Luminosity) | [L☉] | ||||||
Cooling age | [Gyr] | ||||||
log(H/He) | |||||||
log(C/He) | |||||||
log(Ca/He) | |||||||
log(Ca/H) | |||||||
Parallax | [mas] | 1.66 (1) | 1.66 (1) | ||||
Distance | [pc] | 603.91 (542) | 603.90 (542) | ||||
Composition | |||||||
Proper motion (right ascension) | [mas/yr] | -20.64901918 (2) | -20.649 (2) | ||||
Proper motion (declination) | [mas/yr] | 13.0748298 (2) | 13.075 (2) | ||||
Variability | |||||||
Magnetic | |||||||
Bd | [MG] | ||||||
Infrared excess (disk) | |||||||
Binarity | |||||||
B magnitude | |||||||
V magnitude | |||||||
R magnitude | |||||||
I magnitude | |||||||
J magnitude | |||||||
H magnitude | |||||||
K magnitude | |||||||
u magnitude | 21.28 (0.09) | 21.25 (0.09) | 21.28 (0.09) | ||||
g magnitude | 20.80 (0.03) | 20.80 (0.03) | 20.80 (0.03) | ||||
r magnitude | 20.78 (0.04) | 20.78 (0.04) | 20.78 (0.04) | ||||
i magnitude | 20.83 (0.05) | 20.83 (0.05) | 20.83 (0.05) | ||||
z magnitude | 20.80 (0.2) | 20.78 (0.1) | 20.78 (0.1) | ||||
G magnitude | 20.73 (0.2) | 20.73 (0.01) | |||||
BP magnitude | 20.94 (0.2) | ||||||
RP magnitude | 20.44 (0.2) | ||||||
Pan g magnitude | 20.79 (0.01) | ||||||
Pan r magnitude | 20.77 (0.03) | ||||||
Pan i magnitude | 20.77 (0.02) | ||||||
Pan z magnitude | 20.76 (0.07) | ||||||
Pan y magnitude | 20.08 (0.2) | ||||||
E(B-V) | 0.027 |
* 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.