All names: TIC 85978777, GALEX J091143.1+222749, SDSS J091143.09+222748.8, [SGR2010] J0911+2227, SDSS J091143.10+222748.8, Gaia DR3 686827702275479808, Gaia DR2 686827702275479808, WD 0908+226, LP 369-15, 2MASS J09114308+2227488, Gaia EDR3 686827702275479808
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 11 43.10 (0.1) | 09 11 43.09 | 09 11 43.10 (0.2) | 09 11 43.09 | 09 11 43.09 (0.1) | 09 11 43.46 | 09 11 43.10 | |||
| Declination | 22 27 48.77 (0.1) | 22 27 48.82 | 22 27 48.77 (0.2) | 22 27 48.82 | 22 27 48.87 (0.1) | 22 27 46.44 | 22 27 48.82 | |||
| Spectral type | DA+M | DA+M3 | DA | DA+M | ||||||
| Effective temperature | [K] | 10548.0 (226) | 6300.0 (3) | |||||||
| log(g) | [cgs] | 9.50 (0.1) | 5.01 (0.01) | |||||||
| Mass | [M☉] | 1.46 (0.05) | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 1.74 (0.1) | 1.63 (0.2) | 1.74 (0.1) | ||||||
| Distance | [pc] | 576.20 (47) | 612.63 (79) | 824.00 (105) | 576.20 (47) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 3.964914469 (0.1) | 3.593688593 (0.4) | 3.965 (0.1) | ||||||
| Proper motion (declination) | [mas/yr] | -6.148345106 (0.1) | -6.095864285 (0.4) | -6.148 (0.1) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | WDMS | ||||||||
| B magnitude | ||||||||||
| V magnitude | 17.50 | |||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 15.16 (0.04) | |||||||||
| H magnitude | 14.49 (0.04) | |||||||||
| K magnitude | 14.39 (0.06) | |||||||||
| u magnitude | 19.43 (0.03) | 19.43 | 19.43 (0.03) | 19.43 | 19.44 (0.03) | |||||
| g magnitude | 18.80 (0.008) | 18.82 | 18.82 (0.009) | 18.82 | 18.83 (0.02) | |||||
| r magnitude | 18.10 (0.007) | 18.07 | 18.09 (0.007) | 18.07 | 18.09 (0.02) | |||||
| i magnitude | 17.13 (0.006) | 17.14 | 17.14 (0.006) | 17.14 | 17.15 (0.02) | |||||
| z magnitude | 16.55 (0.009) | 16.55 | 16.56 (0.009) | 16.55 | 16.56 (0.02) | |||||
| G magnitude | 17.72 (0.03) | 17.74 | 17.72 (0.003) | |||||||
| BP magnitude | 18.60 (0.03) | 18.65 | ||||||||
| RP magnitude | 16.74 (0.007) | 16.73 | ||||||||
| Pan g magnitude | 18.75 (0.006) | |||||||||
| Pan r magnitude | 18.10 (0.009) | |||||||||
| Pan i magnitude | 17.16 (0.004) | |||||||||
| Pan z magnitude | 16.67 (0.003) | |||||||||
| Pan y magnitude | 16.41 (0.007) | |||||||||
| E(B-V) | 0.037 | |||||||||
* 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.