All names: LAMOST J092401.04+053345.3, [MGL2009] BZB J0924+0533, Gaia DR3 585536293078010496, [CWH99] J092401.1+053346, FL8Y J0924.1+0534, [VV2003b] J092401.3+053343, [VV2006b] J092401.1+053345, SDSS J092401.04+053345.4, SHBL J092401.1+053345, 3FGL J0924.2+0534, [VV2010b] J092401.1+053345, 3HSP J092401.0+053345, [ZEH2003] RX J0924.0+0533 1, Gaia DR2 585536293078010496, 4FGL J0924.0+0534, [MML2015] 5BZB J0924+0533, RX J0924.0+0533, 9Y-MST J0924+0531, SDSS J092401.04+053345.34, 2WHSP J092401.0+053345, 1RXS J092401.1+053350, Gaia EDR3 585536293078010496, SDSS J092401.04+053345.3, RBS 771
| Parameter | Unit | Gaia EDR3 | SDSS DR10 | Genest-Beaulieu & Bergeron 2019 (spectroscopic) | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 24 01.04 (0.2) | 09 24 01.04 | 09 24 01.04 (0.3) | 09 24 01.04 (0.2) | ||||
| Declination | 05 33 45.40 (0.2) | 05 33 45.41 | 05 33 45.40 (0.5) | 05 33 45.41 (0.2) | ||||
| Spectral type | DB: | |||||||
| Effective temperature | [K] | 11010.0 | 10378.0 (123) | |||||
| log(g) | [cgs] | 7.69 | 7.47 (0.1) | |||||
| Mass | [M☉] | 0.421 | ||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | <-6.121 | |||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 0.20 (0.2) | 0.16 (0.4) | 0.20 (0.2) | ||||
| Distance | [pc] | 4966.99 (4819) | 6318.41 (14123) | 4967.71 (4820) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | 0.244338548 (0.2) | -0.228997447 (0.6) | 0.244 (0.2) | ||||
| Proper motion (declination) | [mas/yr] | -0.26711756 (0.3) | -0.232346836 (0.7) | -0.267 (0.3) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | 18.96 | |||||||
| V magnitude | 18.65 | |||||||
| R magnitude | 18.20 | |||||||
| I magnitude | ||||||||
| J magnitude | ||||||||
| H magnitude | ||||||||
| K magnitude | ||||||||
| u magnitude | 18.82 (0.02) | 18.82 (0.02) | 18.81 (0.02) | |||||
| g magnitude | 18.50 (0.007) | 18.50 (0.01) | 18.50 (0.007) | |||||
| r magnitude | 18.27 (0.008) | 18.27 (0.01) | 18.27 (0.008) | |||||
| i magnitude | 18.02 (0.008) | 18.02 (0.01) | 18.01 (0.008) | |||||
| z magnitude | 17.87 (0.02) | 17.87 (0.02) | 17.85 (0.02) | |||||
| G magnitude | 18.44 (0.03) | 18.54 | 18.44 (0.01) | |||||
| BP magnitude | 18.66 (0.03) | 18.64 | ||||||
| RP magnitude | 17.75 (0.03) | 17.71 | ||||||
| Pan g magnitude | ||||||||
| Pan r magnitude | ||||||||
| Pan i magnitude | ||||||||
| Pan z magnitude | ||||||||
| Pan y magnitude | ||||||||
| E(B-V) | 0.028 | |||||||
* 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.