All names: ATO J061.2056+28.0065, Gaia DR2 164100465477177728, LAMOST J040449.34+280023.65, 2MASS J04044934+2800236, Gaia DR3 164100465477177728, CRTS J040449.3+280023, GALEX J040449.3+280023, TIC 348796982
Parameter | Unit | Stilism | Zhao et al. 2013 | Simbad |
---|---|---|---|---|
Right ascension | 04 04 49.34 | 04 04 49.35 (0.04) | ||
Declination | 28 00 23.65 | 28 00 23.63 (0.02) | ||
Spectral type | DA | |||
Effective temperature | [K] | 29302.0 (2525) | ||
log(g) | [cgs] | 8.25 (0.6) | ||
Mass | [M☉] | 0.79 (0.3) | ||
log(Luminosity) | [L☉] | |||
Cooling age | [Gyr] | 0.0200 (0.03) | ||
log(H/He) | ||||
log(C/He) | ||||
log(Ca/He) | ||||
log(Ca/H) | ||||
Parallax | [mas] | 0.09 (0.05) | ||
Distance | [pc] | 87.00 | 11467.89 (5997) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | -0.978 (0.05) | ||
Proper motion (declination) | [mas/yr] | -0.329 (0.03) | ||
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | ||||
V magnitude | 15.78 | |||
R magnitude | ||||
I magnitude | ||||
J magnitude | 15.28 (0.06) | |||
H magnitude | 14.91 (0.08) | |||
K magnitude | 14.88 (0.1) | |||
u magnitude | ||||
g magnitude | 15.96 | 15.96 | ||
r magnitude | 15.84 | 15.84 | ||
i magnitude | 16.00 | 16.00 | ||
z magnitude | ||||
G magnitude | 15.87 (0.004) | |||
BP magnitude | ||||
RP magnitude | ||||
Pan g magnitude | ||||
Pan r magnitude | ||||
Pan i magnitude | ||||
Pan z magnitude | ||||
Pan y magnitude | ||||
E(B-V) | 0.007 |
* 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.