All names: SDSS J075944.97+371503.1, SDSS J075944.98+371503.1, SDSS J075944.98+371503.17, SDSSJ075944.98+371503.1, Gaia DR2 907291264093243520, LAMOST J075944.97+371503.1, Gaia EDR3 907291264093243520, USNO-B1.0 1272-00196150, GALEX J075945.0+371503, UCAC4 637-042334, KUV 07564+3723, Gaia DR3 907291264093243520
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Geier 2020 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 07 59 44.97 (0.05) | 07 59 44.98 | 07 59 44.98 | 07 59 44.97 (0.06) | 07 59 44.97 (0.05) | ||||
| Declination | 37 15 03.08 (0.04) | 37 15 03.17 | 37 15 03.10 | 37 15 03.09 (0.05) | 37 15 03.14 (0.04) | ||||
| Spectral type | He-sdOB | sdO | sdO | ||||||
| Effective temperature | [K] | 33980.0 (390) | 33180.0 (87) | ||||||
| log(g) | [cgs] | 5.82 (0.07) | 5.46 (0.02) | ||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.51 (0.06) | 0.37 (0.08) | 0.37 (0.08) | 0.51 (0.06) | ||||
| Distance | [pc] | 1965.57 (214) | 2715.18 (624) | 2715.18 (624) | 1965.41 (214) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -1.024489295 (0.06) | -1.271 (0.1) | -1.271 (0.1) | -1.024 (0.06) | ||||
| Proper motion (declination) | [mas/yr] | -3.466762488 (0.04) | -3.438 (0.08) | -3.438 (0.08) | -3.467 (0.04) | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 15.90 | ||||||||
| V magnitude | 16.50 | ||||||||
| R magnitude | 16.23 | ||||||||
| I magnitude | |||||||||
| J magnitude | |||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | 15.74 (0.005) | 15.74 (0.005) | 15.75 (0.01) | 15.74 (0.005) | |||||
| g magnitude | 16.04 (0.004) | 16.04 (0.004) | 16.04 (0.01) | 16.04 (0.004) | |||||
| r magnitude | 16.51 (0.004) | 16.51 (0.004) | 16.51 (0.01) | 16.51 (0.004) | |||||
| i magnitude | 16.84 (0.005) | 16.84 (0.005) | 16.84 (0.01) | 16.84 (0.005) | |||||
| z magnitude | 17.16 (0.01) | 17.16 (0.01) | 17.17 (0.02) | 17.16 (0.01) | |||||
| G magnitude | 16.27 (0.003) | 16.30 (0.002) | 16.30 | 16.27 (0.003) | |||||
| BP magnitude | 16.14 (0.003) | 16.06 (0.01) | 16.06 | ||||||
| RP magnitude | 16.54 (0.006) | 16.53 (0.007) | 16.53 | ||||||
| Pan g magnitude | 16.10 (0.002) | 16.09 (0.002) | |||||||
| Pan r magnitude | 16.51 (0.003) | 16.51 (0.003) | |||||||
| Pan i magnitude | 16.88 (0.001) | 16.88 (0.001) | |||||||
| Pan z magnitude | 17.14 (0.009) | 17.14 (0.009) | |||||||
| Pan y magnitude | 17.33 (0.02) | 17.33 (0.02) | |||||||
| E(B-V) | 0.037 | ||||||||
* 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.