All names: LAMOST J042608.02+150828.3, TIC 60879640, Gaia DR2 3311181332928254464, KUV 684-4, KUV 04233+1502, 2MASS J04260802+1508284, Gaia DR3 3311181332928254464, KUV04233+1502
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 04 26 07.99 | 04 26 08.02 (0.02) | ||
Declination | 15 08 29.01 | 15 08 28.46 (0.01) | ||
Spectral type | sdO | sdO | ||
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] | 0.72 (0.04) | 0.72 (0.02) | |
Distance | [pc] | 1391.40 (82) | 1385.43 (42) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | 7.975 (0.07) | 8.013 (0.03) | |
Proper motion (declination) | [mas/yr] | -11.899 (0.05) | -11.981 (0.02) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | 14.57 | |||
V magnitude | 14.72 | |||
R magnitude | ||||
I magnitude | ||||
J magnitude | 14.04 (0.03) | 14.04 (0.03) | ||
H magnitude | 14.01 (0.04) | 14.01 (0.04) | ||
K magnitude | 13.98 (0.05) | 13.98 (0.05) | ||
u magnitude | ||||
g magnitude | ||||
r magnitude | ||||
i magnitude | ||||
z magnitude | ||||
G magnitude | 14.36 (0.0003) | 14.35 (0.003) | ||
BP magnitude | 14.41 (0.005) | |||
RP magnitude | 14.16 (0.002) | |||
Pan g magnitude | 14.47 (0.006) | |||
Pan r magnitude | 14.43 (0.007) | |||
Pan i magnitude | 14.50 (0.003) | |||
Pan z magnitude | 14.58 (0.003) | |||
Pan y magnitude | 14.66 (0.001) | |||
E(B-V) | 0.279 |
* 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.