All names: EQ J1929+4447, KIC 8626021, GALEX J192904.6+444708, Gaia DR3 2126582035039121280, USNO-B1.0 1347-00336170, Gaia EDR3 2126582035039121280, Gaia DR2 2126582035039121280
Parameter | Unit | Gaia EDR3 | Stilism | Vincent et al. 2024 | Simbad |
---|---|---|---|---|---|
Right ascension | 19 29 04.67 (0.1) | 19 29 04.67 | 19 29 04.68 (0.1) | ||
Declination | 44 47 08.71 (0.1) | 44 47 08.71 | 44 47 09.03 (0.1) | ||
Spectral type | DB | DB | |||
Effective temperature | [K] | 27232.0 (2606) | |||
log(g) | [cgs] | 8.14 (0.07) | |||
Mass | [M☉] | 0.694 (0.06) | |||
log(Luminosity) | [L☉] | ||||
Cooling age | [Gyr] | ||||
log(H/He) | |||||
log(C/He) | |||||
log(Ca/He) | |||||
log(Ca/H) | |||||
Parallax | [mas] | 2.65 (0.1) | 2.65 | 2.65 (0.1) | |
Distance | [pc] | 377.91 (16) | 377.91 | 377.91 (16) | |
Composition | |||||
Proper motion (right ascension) | [mas/yr] | -2.697 (0.1) | -2.697 (0.1) | ||
Proper motion (declination) | [mas/yr] | -19.731 (0.1) | -19.731 (0.1) | ||
Variability | |||||
Magnetic | |||||
Bd | [MG] | ||||
Infrared excess (disk) | |||||
Binarity | |||||
B magnitude | 18.30 | ||||
V magnitude | |||||
R magnitude | 18.50 | ||||
I magnitude | |||||
J magnitude | |||||
H magnitude | |||||
K magnitude | |||||
u magnitude | |||||
g magnitude | |||||
r magnitude | |||||
i magnitude | |||||
z magnitude | |||||
G magnitude | 18.50 (0.003) | 18.50 | 18.50 (0.003) | ||
BP magnitude | 18.41 (0.02) | ||||
RP magnitude | 18.69 (0.04) | ||||
Pan g magnitude | |||||
Pan r magnitude | |||||
Pan i magnitude | |||||
Pan z magnitude | |||||
Pan y magnitude | |||||
E(B-V) | 0.023 |
* 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.