All names: Gaia DR3 816062001197670016, WISE J091508.23+415559.5, WISEA J091508.22+415559.4, Gaia EDR3 816062001197670016, Gaia DR2 816062001197670016, TIC 39063853, LAMOST J091508.22+415559.5, SDSS J091508.22+415559.5, WD 0911+421, 2MASS J09150822+4155594
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Guo et al. 2015 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 15 08.23 (0.06) | 09 15 08.23 (0.08) | 09 15 08.22 | 09 15 08.22 (0.06) | 09 15 07.73 | 09 15 08.22 | |||
| Declination | 41 55 59.54 (0.05) | 41 55 59.54 (0.06) | 41 55 59.48 | 41 55 59.55 (0.05) | 41 54 55.08 | 41 55 59.53 | |||
| Spectral type | DA+M | DA+M | M2 | DA d | DA+M | ||||
| Effective temperature | [K] | 27743.0 (424) | 36337.0 (393) | ||||||
| log(g) | [cgs] | 7.64 (0.08) | 6.38 (0.05) | ||||||
| Mass | [M☉] | 0.47 (0.03) | |||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 3.85 (0.08) | 3.82 (0.1) | 3.85 (0.08) | |||||
| Distance | [pc] | 259.56 (5) | 261.46 (8) | 1655.00 (593) | 259.56 (5) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | 4.187250003 (0.07) | 3.947652052 (0.2) | 4.187 (0.07) | |||||
| Proper motion (declination) | [mas/yr] | -0.710504928 (0.06) | -0.65660284 (0.1) | -0.711 (0.06) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | WDMS | WDMS | |||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 14.37 (0.03) | ||||||||
| H magnitude | 13.76 (0.03) | ||||||||
| K magnitude | 13.55 (0.04) | ||||||||
| u magnitude | 20.65 | 22.64 (0.2) | 20.65 | 20.66 (2) | |||||
| g magnitude | 18.57 | 18.77 (0.009) | 18.57 | 18.57 (0.2) | |||||
| r magnitude | 17.38 | 17.44 (0.006) | 17.38 | 17.38 (0.04) | |||||
| i magnitude | 16.25 | 16.27 (0.005) | 16.25 | 16.25 (0.03) | |||||
| z magnitude | 15.68 | 15.68 (0.007) | 15.68 | 15.68 (0.03) | |||||
| G magnitude | 16.98 (0.06) | 16.99 | 16.98 (0.004) | ||||||
| BP magnitude | 17.45 (0.06) | 17.28 | |||||||
| RP magnitude | 15.75 (0.01) | 15.76 | |||||||
| Pan g magnitude | |||||||||
| Pan r magnitude | |||||||||
| Pan i magnitude | |||||||||
| Pan z magnitude | |||||||||
| Pan y magnitude | |||||||||
| E(B-V) | 0.014 | ||||||||
* 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.