All names: Gaia DR3 934175968363647360, USNO-B1.0 1398-00192493, WDS J07543+4950A, SDSS J075420.99+495005.7, ** SLN 63A, Gaia DR2 934175968363647360, SDSS J075420.99+495005.4, GALEX J075421.0+495003, SDSS J075420.99+495005.3
Parameter | Unit | Stilism | Simbad |
---|---|---|---|
Right ascension | 07 54 21.01 (0.8) | ||
Declination | 49 50 05.63 (0.6) | ||
Spectral type | 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] | 4.61 (0.9) | |
Distance | [pc] | 217.13 (43) | |
Composition | |||
Proper motion (right ascension) | [mas/yr] | -17.119 (1) | |
Proper motion (declination) | [mas/yr] | -58.365 (0.6) | |
Variability | |||
Magnetic | |||
Bd | [MG] | ||
Infrared excess (disk) | |||
Binarity | |||
B magnitude | 20.80 | ||
V magnitude | |||
R magnitude | 19.80 | ||
I magnitude | |||
J magnitude | |||
H magnitude | |||
K magnitude | |||
u magnitude | 21.19 (0.09) | ||
g magnitude | 20.60 (0.03) | ||
r magnitude | 20.39 (0.03) | ||
i magnitude | 20.35 (0.04) | ||
z magnitude | 20.53 (0.1) | ||
G magnitude | 20.39 (0.009) | ||
BP magnitude | |||
RP magnitude | |||
Pan g magnitude | |||
Pan r magnitude | |||
Pan i magnitude | |||
Pan z magnitude | |||
Pan y magnitude | |||
E(B-V) | 0.020 |
* 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.