All names: SDSS J100154.99+301805.6, CBS 17, USNO-B1.0 1203-00179921, Ton 479, Gaia EDR3 744087553430501120, TIC 840526743, SDSS J100154.99+301805.61, SDSS J100154.98+301805.6, Gaia DR2 744087553430501120, LAMOST J100154.98+301805.6, Gaia DR3 744087553430501120, CBS17, GALEX J100155.0+301805, TIC 471015206
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Geier 2020 | Gaia DR2 | Stilism | Kepler et al. 2016 | Simbad |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 01 54.98 (0.05) | 10 01 54.98 | 10 01 54.97 | 10 01 54.98 (0.06) | 10 01 54.98 (0.05) | ||||
| Declination | 30 18 05.60 (0.04) | 30 18 05.64 | 30 18 05.93 | 30 18 05.61 (0.07) | 30 18 05.72 (0.04) | ||||
| Spectral type | sdB | sdB | sdBO | ||||||
| Effective temperature | [K] | 23290.0 (2160) | 29962.0 (0) | ||||||
| log(g) | [cgs] | 4.67 (0.3) | 5.58 (0) | ||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.41 (0.07) | 0.54 (0.08) | 0.54 (0.08) | 0.41 (0.07) | ||||
| Distance | [pc] | 2436.44 (391) | 1863.59 (295) | 1863.59 (295) | 2436.65 (391) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | 1.247278545 (0.06) | 1.44 (0.1) | 1.44 (0.1) | 1.247 (0.06) | ||||
| Proper motion (declination) | [mas/yr] | -7.443297133 (0.05) | -7.593 (0.1) | -7.593 (0.1) | -7.443 (0.05) | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 15.90 | ||||||||
| V magnitude | 16.15 | ||||||||
| R magnitude | 16.40 | ||||||||
| I magnitude | |||||||||
| J magnitude | |||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | 15.90 (0.006) | 15.90 (0.006) | 15.84 (0.03) | 15.90 (0.006) | |||||
| g magnitude | 15.95 (0.004) | 15.94 (0.004) | 15.93 (0.02) | 15.95 (0.004) | |||||
| r magnitude | 16.47 (0.004) | 16.47 (0.004) | 16.44 (0.02) | 16.47 (0.004) | |||||
| i magnitude | 16.89 (0.005) | 16.89 (0.005) | 16.85 (0.01) | 16.89 (0.005) | |||||
| z magnitude | 17.19 (0.01) | 17.19 (0.01) | 17.18 (0.02) | 17.19 (0.01) | |||||
| G magnitude | 16.21 (0.002) | 16.23 (0.002) | 16.23 | 16.21 (0.003) | |||||
| BP magnitude | 16.07 (0.002) | 16.01 (0.009) | 16.01 | ||||||
| RP magnitude | 16.49 (0.006) | 16.48 (0.006) | 16.48 | ||||||
| Pan g magnitude | 16.02 (0.004) | 16.02 (0.004) | |||||||
| Pan r magnitude | 16.43 (0.003) | 16.43 (0.003) | |||||||
| Pan i magnitude | 16.81 (0.002) | 16.81 (0.002) | |||||||
| Pan z magnitude | 17.09 (0.005) | 17.09 (0.005) | |||||||
| Pan y magnitude | 17.25 (0.007) | 17.25 (0.007) | |||||||
| E(B-V) | 0.019 | ||||||||
* 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.