All names: SDSS J091651.32+403629.8, Gaia EDR3 815723244240839424, WIRED J091651.31+403629.8, Gaia DR2 815723244240839424, SDSS J091651.30+403629.7, Gaia DR3 815723244240839424, [HHD2009] SDSS J0916+4036, WD 0913+408, SDSS J091651.31+403629.8, SDSS J091651.31+403629.7
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 16 51.32 (0.2) | 09 16 51.31 | 09 16 51.32 (0.4) | 09 16 51.31 | 09 16 51.31 (0.2) | 09 16 51.31 | 09 16 51.60 | 09 16 51.32 | |||
| Declination | 40 36 29.59 (0.2) | 40 36 29.73 | 40 36 29.59 (0.3) | 40 36 29.81 | 40 36 29.74 (0.2) | 40 36 29.80 | 40 36 25.92 | 40 36 29.84 | |||
| Spectral type | DA+M | DA+M | DA+M | DA dM | DA+M | ||||||
| Effective temperature | [K] | 10548.0 (398) | 6303.0 (7) | 6302.0 (6) | |||||||
| log(g) | [cgs] | 8.38 (0.3) | 5.12 (0.2) | 7.10 (0.2) | |||||||
| Mass | [M☉] | 0.84 (0.2) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 3.16 (0.3) | 3.46 (0.4) | 3.16 (0.3) | |||||||
| Distance | [pc] | 316.88 (30) | 288.69 (34) | 513.00 (41) | 316.89 (30) | ||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 7.476498795 (0.3) | 7.724618643 (0.6) | 7.476 (0.3) | 1.8 | ||||||
| Proper motion (declination) | [mas/yr] | -9.874405639 (0.3) | -10.30427759 (0.7) | -9.874 (0.3) | -9.6 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | WDMS | WDMS | ||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 20.25 (0.04) | 20.27 | 20.27 (0.04) | 20.27 (0.04) | 20.27 | 20.27 (0.04) | |||||
| g magnitude | 19.67 (0.01) | 19.67 | 19.66 (0.01) | 19.67 (0.02) | 19.67 | 19.66 (0.02) | |||||
| r magnitude | 19.59 (0.01) | 19.60 | 19.60 (0.01) | 19.60 (0.02) | 19.60 | 19.59 (0.02) | |||||
| i magnitude | 18.99 (0.01) | 19.00 | 18.98 (0.01) | 19.00 (0.01) | 19.00 | 18.99 (0.02) | |||||
| z magnitude | 18.41 (0.02) | 18.44 | 18.43 (0.02) | 18.44 (0.03) | 18.44 | 18.42 (0.03) | |||||
| G magnitude | 19.26 (0.03) | 19.29 | 19.26 (0.004) | ||||||||
| BP magnitude | 19.66 (0.03) | 19.63 | |||||||||
| RP magnitude | 18.55 (0.02) | 18.52 | |||||||||
| Pan g magnitude | 19.65 (0.02) | ||||||||||
| Pan r magnitude | 19.55 (0.01) | ||||||||||
| Pan i magnitude | 19.01 (0.006) | ||||||||||
| Pan z magnitude | 18.51 (0.01) | ||||||||||
| Pan y magnitude | 18.20 (0.02) | ||||||||||
| E(B-V) | 0.018 | ||||||||||
* 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.