All names: [VV2003] J012049.4-293627, 2QZ J012049.3-293627, Gaia DR2 5029243460499788416, Gaia DR3 5029243460499788416, [VV2006] J012049.4-293627, GALEX J012049.2-293627
Parameter | Unit | Simbad |
---|---|---|
Right ascension | 01 20 49.37 (0.3) | |
Declination | -29 36 27.29 (0.3) | |
Spectral type | DB | |
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] | 0.49 (0.4) |
Distance | [pc] | 2049.18 (1792) |
Composition | ||
Proper motion (right ascension) | [mas/yr] | 0.072 (0.4) |
Proper motion (declination) | [mas/yr] | 0.652 (0.4) |
Variability | ||
Magnetic | ||
Bd | [MG] | |
Infrared excess (disk) | ||
Binarity | ||
B magnitude | ||
V magnitude | 20.23 | |
R magnitude | ||
I magnitude | ||
J magnitude | ||
H magnitude | ||
K magnitude | ||
u magnitude | ||
g magnitude | ||
r magnitude | ||
i magnitude | ||
z magnitude | ||
G magnitude | 20.01 (0.005) | |
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.