All names: Gaia DR3 3736823243480086400, SDSS J131130.45+124844.1, Gaia DR2 3736823243480086400, GALEX J131130.5+124844, Gaia EDR3 3736823243480086400, SDSS J131130.50+124843.42, SDSS J131130.50+124843.4
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Genest-Beaulieu & Bergeron 2019 (spectroscopic) | Genest-Beaulieu & Bergeron 2019 (photometric) | Gaia DR2 | Stilism | Koester & Kepler 2015 | Kepler et al. 2015 | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 13 11 30.53 (0.07) | 13 11 30.45 | 13 11 30.53 (0.08) | 13 11 30.53 | 13 11 30.43 (0.07) | ||||||||
| Declination | 12 48 43.07 (0.06) | 12 48 44.17 | 12 48 43.11 (0.07) | 12 48 43.07 | 12 48 44.34 (0.06) | ||||||||
| Spectral type | DB | DC | DB | DC: | |||||||||
| Effective temperature | [K] | 11647.0 | 10779.0 | 10035.0 (125) | 10075.0 (102) | 9937.0 (155) | |||||||
| log(g) | [cgs] | 8.36 | 8.08 | 8.00 (0) | 8.00 (0) | 7.89 (0.03) | |||||||
| Mass | [M☉] | 0.809 | 0.628 | 0.515 (0.02) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | ||||||||||||
| log(H/He) | -5.963 | <-5.71 | |||||||||||
| log(C/He) | |||||||||||||
| log(Ca/He) | <-11.2 | ||||||||||||
| log(Ca/H) | |||||||||||||
| Parallax | [mas] | 9.62 (0.1) | 9.70 (0.1) | 9.62 | 9.62 (0.1) | ||||||||
| Distance | [pc] | 103.94 (1) | 103.12 (1) | 98.00 | 103.94 | 103.94 (1) | |||||||
| Composition | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | 91.42141296 (0.1) | 91.68953224 (0.2) | 91.421 (0.1) | |||||||||
| Proper motion (declination) | [mas/yr] | -79.04719079 (0.1) | -79.11733547 (0.1) | -79.047 (0.1) | |||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 17.33 (0.009) | 17.33 (0.01) | 17.33 (0.009) | ||||||||||
| g magnitude | 17.22 (0.004) | 17.22 (0) | 17.22 (0.004) | ||||||||||
| r magnitude | 17.34 (0.005) | 17.34 (0.01) | 17.34 (0.005) | ||||||||||
| i magnitude | 17.48 (0.007) | 17.48 (0.01) | 17.48 (0.007) | ||||||||||
| z magnitude | 17.68 (0.02) | 17.68 (0.02) | 17.68 (0.02) | ||||||||||
| G magnitude | 17.25 (0.006) | 17.28 | 17.25 | 17.25 (0.003) | |||||||||
| BP magnitude | 17.28 (0.006) | 17.26 | |||||||||||
| RP magnitude | 17.20 (0.007) | 17.19 | |||||||||||
| Pan g magnitude | 17.25 (0.004) | ||||||||||||
| Pan r magnitude | 17.35 (0.003) | ||||||||||||
| Pan i magnitude | 17.51 (0.004) | ||||||||||||
| Pan z magnitude | 17.68 (0.005) | ||||||||||||
| Pan y magnitude | 17.78 (0.02) | ||||||||||||
| E(B-V) | 0.005 | ||||||||||||
* 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.