All names: SDSS J144143.50+183710.7, Gaia DR3 1237436015632313984, NVSS J144143+183706, USNO-B1.0 1086-00231257, SDSS J144143.51+183710.7, 4FGL J1441.7+1836, SDSS J144143.51+183710.75, WISEA J144143.50+183710.7, Gaia DR2 1237436015632313984, WISE J144143.50+183710.7
Parameter | Unit | SDSS DR10 | Gaia DR2 | Kepler et al. 2015 | Simbad |
---|---|---|---|---|---|
Right ascension | 14 41 43.51 | 14 41 43.51 (0.3) | 14 41 43.51 (0.2) | ||
Declination | 18 37 10.75 | 18 37 10.74 (0.3) | 18 37 10.75 (0.2) | ||
Spectral type | DC: | ||||
Effective temperature | [K] | 9709.0 (1000) | |||
log(g) | [cgs] | 6.96 (0.05) | |||
Mass | [M☉] | ||||
log(Luminosity) | [L☉] | ||||
Cooling age | [Gyr] | ||||
log(H/He) | |||||
log(C/He) | |||||
log(Ca/He) | |||||
log(Ca/H) | |||||
Parallax | [mas] | -0.41 (0.3) | |||
Distance | [pc] | ||||
Composition | |||||
Proper motion (right ascension) | [mas/yr] | -0.138530588 (0.6) | -0.224 (0.3) | ||
Proper motion (declination) | [mas/yr] | 0.214072764 (0.5) | -0.124 (0.2) | ||
Variability | |||||
Magnetic | |||||
Bd | [MG] | ||||
Infrared excess (disk) | |||||
Binarity | |||||
B magnitude | 20.10 | ||||
V magnitude | |||||
R magnitude | 20.30 | ||||
I magnitude | |||||
J magnitude | |||||
H magnitude | |||||
K magnitude | |||||
u magnitude | 20.31 (0.04) | 20.31 (0.04) | 20.32 (0.05) | ||
g magnitude | 19.84 (0.01) | 19.84 (0.01) | 19.84 (0.01) | ||
r magnitude | 19.48 (0.01) | 19.48 (0.01) | 19.48 (0.01) | ||
i magnitude | 19.17 (0.01) | 19.17 (0.01) | 19.18 (0.01) | ||
z magnitude | 18.89 (0.03) | 18.89 (0.03) | 18.89 (0.03) | ||
G magnitude | 19.16 | 18.83 (0.02) | |||
BP magnitude | 19.05 | ||||
RP magnitude | 18.40 | ||||
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.