All names: SDSS J141505.41+272733.6, PB 3557, KUV14128+2741, LAMOST J141505.44+272733.4, UCAC4 588-051400, GALEX J141505.4+272733, KUV 14128+2741, Gaia DR3 1260448626498096000, Ton 192, Gaia DR2 1260448626498096000, Gaia EDR3 1260448626498096000, SDSS J141505.41+272733.59, SDSS J141505.41+272733.5
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Geier 2020 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
---|---|---|---|---|---|---|---|---|---|
Right ascension | 14 15 05.41 (0.03) | 14 15 05.41 | 14 15 05.43 | 14 15 05.41 (0.05) | 14 15 05.41 (0.03) | ||||
Declination | 27 27 33.55 (0.04) | 27 27 33.63 | 27 27 33.99 | 27 27 33.55 (0.06) | 27 27 33.64 (0.04) | ||||
Spectral type | sdB | sdB | sdB | ||||||
Effective temperature | [K] | 28630.0 (230) | 30126.0 (180) | ||||||
log(g) | [cgs] | 5.47 (0.03) | 5.46 (0.04) | ||||||
Mass | [M☉] | ||||||||
log(Luminosity) | [L☉] | ||||||||
Cooling age | [Gyr] | ||||||||
log(H/He) | |||||||||
log(C/He) | |||||||||
log(Ca/He) | |||||||||
log(Ca/H) | |||||||||
Parallax | [mas] | 0.28 (0.07) | 0.20 (0.09) | 0.20 (0.09) | 0.28 (0.07) | ||||
Distance | [pc] | 3577.85 (858) | 4950.50 (2122) | 4949.43 (2120) | 3577.82 (858) | ||||
Composition | |||||||||
Proper motion (right ascension) | [mas/yr] | -2.39937409 (0.06) | -2.777 (0.1) | -2.777205043 (0.1) | -2.399 (0.06) | ||||
Proper motion (declination) | [mas/yr] | -5.392041566 (0.06) | -5.417 (0.1) | -5.417311287 (0.1) | -5.392 (0.06) | ||||
Variability | |||||||||
Magnetic | |||||||||
Bd | [MG] | ||||||||
Infrared excess (disk) | |||||||||
Binarity | |||||||||
B magnitude | 16.50 | ||||||||
V magnitude | |||||||||
R magnitude | 15.88 | ||||||||
I magnitude | |||||||||
J magnitude | |||||||||
H magnitude | |||||||||
K magnitude | |||||||||
u magnitude | 16.37 (0.006) | 16.37 (0.006) | 16.35 (0.02) | 16.37 (0.006) | |||||
g magnitude | 16.48 (0.004) | 16.48 (0.004) | 16.52 (0.01) | 16.48 (0.004) | |||||
r magnitude | 16.95 (0.004) | 16.95 (0.004) | 16.95 (0.01) | 16.95 (0.004) | |||||
i magnitude | 17.28 (0.006) | 17.28 (0.006) | 17.28 (0.02) | 17.28 (0.006) | |||||
z magnitude | 17.61 (0.02) | 17.61 (0.02) | 17.61 (0.02) | 17.61 (0.02) | |||||
G magnitude | 16.69 (0.003) | 16.72 (0.001) | 16.72 | 16.69 (0.003) | |||||
BP magnitude | 16.57 (0.003) | 16.52 (0.004) | 16.52 | ||||||
RP magnitude | 16.97 (0.007) | 16.95 (0.005) | 16.95 | ||||||
Pan g magnitude | 16.52 (0.004) | 16.52 (0.004) | |||||||
Pan r magnitude | 16.93 (0.003) | 16.93 (0.003) | |||||||
Pan i magnitude | 17.27 (0.002) | 17.27 (0.002) | |||||||
Pan z magnitude | 17.55 (0.008) | 17.55 (0.008) | |||||||
Pan y magnitude | 17.69 (0.01) | 17.69 (0.01) | |||||||
E(B-V) | 0.018 |
* 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.