All names: SDSS J091712.17+215425.9, TIC 86037700, WIRED J091712.17+215426.0, GALEX J091712.1+215426, WD 0914+221, Gaia DR2 638521350398819072, SDSS J091712.17+215426.0, Gaia EDR3 638521350398819072, 2MASS J09171217+2154259, Gaia DR3 638521350398819072
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 17 12.18 (0.2) | 09 17 12.17 | 09 17 12.17 | 09 17 12.17 (0.2) | 09 17 11.47 | 09 17 12.17 | ||||
| Declination | 21 54 25.83 (0.2) | 21 54 25.99 | 21 54 25.99 | 21 54 26.06 (0.2) | 21 54 24.48 | 21 54 26.03 | ||||
| Spectral type | DA+M | DA+M | DA4.3 M | DA+M | DA | |||||
| Effective temperature | [K] | 11835.0 (1189) | 9361.0 (57) | |||||||
| log(g) | [cgs] | 7.23 (0.2) | 7.04 (0.1) | |||||||
| Mass | [M☉] | 0.28 (0.07) | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 3.21 (0.2) | 3.21 (0.2) | |||||||
| Distance | [pc] | 311.86 (16) | 289.00 (67) | 311.86 (16) | ||||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 8.636001536 (0.2) | 8.636 (0.2) | |||||||
| Proper motion (declination) | [mas/yr] | -14.36134916 (0.2) | -14.361 (0.2) | |||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | WDMS | ||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 15.85 (0.06) | |||||||||
| H magnitude | 15.09 (0.06) | |||||||||
| K magnitude | 15.15 (0.1) | |||||||||
| u magnitude | 18.87 (0.02) | 18.83 | 18.87 (0.02) | 18.83 | 18.84 (0.03) | |||||
| g magnitude | 18.28 (0.007) | 18.27 | 18.28 (0.007) | 18.27 | 18.28 (0.02) | |||||
| r magnitude | 18.26 (0.008) | 18.26 | 18.27 (0.008) | 18.26 | 18.27 (0.02) | |||||
| i magnitude | 17.75 (0.007) | 17.75 | 17.75 (0.007) | 17.75 | 17.76 (0.02) | |||||
| z magnitude | 17.19 (0.01) | 17.17 | 17.18 (0.01) | 17.16 | 17.18 (0.02) | |||||
| G magnitude | 17.98 (0.02) | 17.98 (0.003) | ||||||||
| BP magnitude | 18.35 (0.02) | |||||||||
| RP magnitude | 17.29 (0.01) | |||||||||
| Pan g magnitude | 18.23 (0.02) | |||||||||
| Pan r magnitude | 18.30 (0.003) | |||||||||
| Pan i magnitude | 17.77 (0.004) | |||||||||
| Pan z magnitude | 17.29 (0.006) | |||||||||
| Pan y magnitude | 17.03 (0.008) | |||||||||
| E(B-V) | 0.033 | |||||||||
* 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.