All names: SDSS J142706.71+443934.5, SDSS J142706.71+443934.4, CBS 186, PSO J142706.720+443934.510, Gaia DR2 1494377417593625088
Parameter | Unit | Pan-STARRS DR1 | Gaia DR2 | SDSS DR12 | Simbad | Eisenstein et al. 2006 |
---|---|---|---|---|---|---|
Right ascension | 14 27 06.71 (0.2) | 14 27 06.71 | 14 27 06.71 | 14 27 06.71 | ||
Declination | 44 39 34.46 (0.2) | 44 39 34.51 | 44 39 34.53 | 44 39 34.53 | ||
Spectral type | sdB | SDB | ||||
Effective temperature | [K] | 32834.0 (1027) | ||||
log(g) | [cgs] | 5.44 (0.2) | ||||
Mass | [M☉] | |||||
log(Luminosity) | [L☉] | |||||
Cooling age | [Gyr] | |||||
log(H/He) | ||||||
log(C/He) | ||||||
log(Ca/He) | ||||||
log(Ca/H) | ||||||
Parallax | [mas] | 0.27 (0.2) | ||||
Distance | [pc] | 3682.70 (3012) | ||||
Composition | ||||||
Proper motion (right ascension) | [mas/yr] | -3.0306204313 (0.3) | 1.0 | 0.4 | ||
Proper motion (declination) | [mas/yr] | -4.605331767 (0.3) | -7.0 | -10.6 | ||
Variability | ||||||
Magnetic | ||||||
Bd | [MG] | |||||
Infrared excess (disk) | ||||||
Binarity | ||||||
B magnitude | ||||||
V magnitude | ||||||
R magnitude | ||||||
I magnitude | ||||||
J magnitude | ||||||
H magnitude | ||||||
K magnitude | ||||||
u magnitude | 18.29 (0.01) | 18.29 | 18.29 (0.02) | |||
g magnitude | 18.53 (0.007) | 18.53 | 18.50 (0.02) | |||
r magnitude | 19.06 (0.01) | 19.05 | 19.05 (0.01) | |||
i magnitude | 19.37 (0.02) | 19.37 | 19.35 (0.02) | |||
z magnitude | 19.65 (0.06) | 19.62 | 19.59 (0.06) | |||
G magnitude | 18.85 | |||||
BP magnitude | 18.61 | |||||
RP magnitude | 19.08 | |||||
Pan g magnitude | 18.62 (0.01) | |||||
Pan r magnitude | 19.06 (0.007) | |||||
Pan i magnitude | 19.39 (0.008) | |||||
Pan z magnitude | 19.61 (0.02) | |||||
Pan y magnitude | 19.68 (0.04) |
* Constant surface field
Spectra without link are available upon request
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour at Université de Montréal. Please send database updates, corrections, suggestions or bug reports to dufourpa@astro.umontreal.ca.