All names: 2QZ J130901.8-003233, Gaia DR3 3686117748641021440, SDSS J130901.86-003232.3, 2SLAQ J130901.87-003232.4, Gaia DR2 3686117748641021440
Parameter | Unit | Simbad |
---|---|---|
Right ascension | 13 09 01.86 (0.8) | |
Declination | -00 32 32.40 (0.6) | |
Spectral type | DO | |
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] | |
Distance | [pc] | |
Composition | ||
Proper motion (right ascension) | [mas/yr] | 1.481 (1) |
Proper motion (declination) | [mas/yr] | -1.983 (1) |
Variability | ||
Magnetic | ||
Bd | [MG] | |
Infrared excess (disk) | ||
Binarity | ||
B magnitude | 20.54 | |
V magnitude | ||
R magnitude | ||
I magnitude | ||
J magnitude | ||
H magnitude | ||
K magnitude | ||
u magnitude | 20.89 (0.08) | |
g magnitude | 20.47 (0.03) | |
r magnitude | 20.17 (0.03) | |
i magnitude | 20.07 (0.04) | |
z magnitude | 19.91 (0.09) | |
G magnitude | 20.48 (0.01) | |
BP magnitude | ||
RP magnitude | ||
Pan g magnitude | ||
Pan r magnitude | ||
Pan i magnitude | ||
Pan z magnitude | ||
Pan y magnitude | ||
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.