All names: Gaia EDR3 3742959583515056768, SDSS J132053.99+135043.0, SDSS J132054.04+135042.7, LAMOST J132053.99+135043.0, GALEX J132054.0+135043, Gaia DR3 3742959583515056768, SDSS J132053.99+135043.10, SDSS J132053.99+135043.1, Gaia DR2 3742959583515056768
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Genest-Beaulieu & Bergeron 2019 (spectroscopic) | Genest-Beaulieu & Bergeron 2019 (photometric) | Gaia DR2 | Stilism | Koester & Kepler 2015 | Vincent et al. 2024 | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 13 20 54.07 (0.07) | 13 20 53.99 | 13 20 54.06 (0.08) | 13 20 54.07 | 13 20 53.98 (0.07) | 13 20 53.99 | |||||||
| Declination | 13 50 42.35 (0.06) | 13 50 43.09 | 13 50 42.38 (0.07) | 13 50 42.35 | 13 50 43.14 (0.06) | 13 50 43.09 | |||||||
| Spectral type | DB | DBAH | DBAH: | DB | |||||||||
| Effective temperature | [K] | 13514.0 | 13255.0 | 13851.0 (48) | 12812.0 (264) | 14474.0 (100) | |||||||
| log(g) | [cgs] | 7.88 | 7.98 | 8.00 (0) | 7.96 (0.03) | 8.63 (0.07) | |||||||
| Mass | [M☉] | 0.519 | 0.574 | 0.56 (0.02) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | ||||||||||||
| log(H/He) | -5.646 | -5.4 (0.2) | |||||||||||
| log(C/He) | |||||||||||||
| log(Ca/He) | <-8.98 | ||||||||||||
| log(Ca/H) | |||||||||||||
| Parallax | [mas] | 7.27 (0.09) | 7.25 (0.1) | 7.27 | 7.27 (0.09) | ||||||||
| Distance | [pc] | 137.47 (2) | 137.86 (2) | 141.00 | 137.47 | 137.47 (2) | |||||||
| Composition | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | 77.59337253 (0.1) | 77.57785169 (0.2) | 77.593 (0.1) | |||||||||
| Proper motion (declination) | [mas/yr] | -49.08618228 (0.1) | -49.258301 (0.2) | -49.086 (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 | 17.08 (0.008) | 17.08 (0.008) | 17.07 (0.01) | ||||||||||
| g magnitude | 17.15 (0.005) | 17.15 (0.005) | 17.16 (0.03) | ||||||||||
| r magnitude | 17.38 (0.005) | 17.38 (0.005) | 17.39 (0.02) | ||||||||||
| i magnitude | 17.59 (0.007) | 17.59 (0.007) | 17.60 (0.02) | ||||||||||
| z magnitude | 17.77 (0.02) | 17.77 (0.02) | 17.77 (0.03) | ||||||||||
| G magnitude | 17.24 (0.009) | 17.28 | 17.24 | 17.24 (0.003) | |||||||||
| BP magnitude | 17.21 (0.009) | 17.16 | |||||||||||
| RP magnitude | 17.29 (0.009) | 17.28 | |||||||||||
| Pan g magnitude | 17.17 (0.005) | ||||||||||||
| Pan r magnitude | 17.40 (0.004) | ||||||||||||
| Pan i magnitude | 17.62 (0.003) | ||||||||||||
| Pan z magnitude | 17.81 (0.007) | ||||||||||||
| Pan y magnitude | 17.95 (0.01) | ||||||||||||
| E(B-V) | 0.010 | ||||||||||||
* 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.