All names: Gaia DR3 3247408352847137664, USNO-A2.0 0825-00797042, SDSS J033049.79-060754.3, Gaia EDR3 3247408352847137664, SDSS J033049.78-060754.4, Gaia DR2 3247408352847137664, GALEX 2423361148510277239
Parameter | Unit | Gaia EDR3 | Stilism | Vincent et al. 2024 | Simbad |
---|---|---|---|---|---|
Right ascension | 03 30 49.77 (0.2) | 03 30 49.77 | 03 30 49.79 (0.3) | ||
Declination | -06 07 54.79 (0.2) | -06 07 54.79 | -06 07 54.42 (0.2) | ||
Spectral type | DB: | DB | |||
Effective temperature | [K] | 11770.0 (778) | |||
log(g) | [cgs] | 7.94 (0.1) | |||
Mass | [M☉] | 0.55 (0.1) | |||
log(Luminosity) | [L☉] | ||||
Cooling age | [Gyr] | ||||
log(H/He) | |||||
log(C/He) | |||||
log(Ca/He) | |||||
log(Ca/H) | |||||
Parallax | [mas] | 3.24 (0.3) | 3.24 | 3.17 (0.3) | |
Distance | [pc] | 308.70 (27) | 308.70 | 315.78 (34) | |
Composition | |||||
Proper motion (right ascension) | [mas/yr] | -14.697 (0.3) | -15.028 (0.6) | ||
Proper motion (declination) | [mas/yr] | -24.126 (0.3) | -23.344 (0.6) | ||
Variability | |||||
Magnetic | |||||
Bd | [MG] | ||||
Infrared excess (disk) | |||||
Binarity | |||||
B magnitude | 18.20 (0.3) | ||||
V magnitude | |||||
R magnitude | 19.00 (0.3) | ||||
I magnitude | |||||
J magnitude | |||||
H magnitude | |||||
K magnitude | |||||
u magnitude | 19.22 (0.03) | ||||
g magnitude | 19.26 (0.01) | ||||
r magnitude | 19.38 (0.02) | ||||
i magnitude | 19.52 (0.03) | ||||
z magnitude | 19.91 (0.1) | ||||
G magnitude | 19.24 (0.004) | 19.24 | 19.28 (0.004) | ||
BP magnitude | 19.28 (0.03) | ||||
RP magnitude | 19.32 (0.05) | ||||
Pan g magnitude | |||||
Pan r magnitude | |||||
Pan i magnitude | |||||
Pan z magnitude | |||||
Pan y magnitude | |||||
E(B-V) | 0.022 |
* 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.