All names: WISEA J190520.01+445759.1, Gaia DR3 2106323331434568064, UCAC4 675-069470, Gaia DR2 2106323331434568064, GALEX J190520.0+445759, TIC 158213298, 2MASS J19052002+4457590, WISE J190520.01+445759.2, O11J190520+445759
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 19 05 20.00 | 19 05 20.02 (0.04) | ||
Declination | 44 57 59.00 | 44 57 59.11 (0.04) | ||
Spectral type | sd | |||
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] | 0.14 (0.06) | 0.12 (0.04) | |
Distance | [pc] | 7380.07 (3006) | 8382.23 (3141) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | -1.508 (0.1) | -1.506 (0.06) | |
Proper motion (declination) | [mas/yr] | -5.002 (0.1) | -4.77 (0.05) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | 17.09 (0.08) | |||
V magnitude | 16.98 (0.01) | |||
R magnitude | ||||
I magnitude | ||||
J magnitude | 16.41 (0.1) | 16.41 (0.1) | ||
H magnitude | 15.93 (0.2) | 15.93 (0.2) | ||
K magnitude | 17.28 | |||
u magnitude | ||||
g magnitude | 16.81 (0.01) | |||
r magnitude | 16.93 (0.1) | |||
i magnitude | ||||
z magnitude | ||||
G magnitude | 16.90 (0.001) | 16.88 (0.003) | ||
BP magnitude | 16.99 (0.006) | |||
RP magnitude | 16.65 (0.008) | |||
Pan g magnitude | 16.98 (0.005) | |||
Pan r magnitude | 16.95 (0.002) | |||
Pan i magnitude | 16.98 (0.002) | |||
Pan z magnitude | 17.06 (0.005) | |||
Pan y magnitude | 17.09 (0.007) | |||
E(B-V) | 0.033 |
* 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.