All names: WD 1142+385, PTF1 J114509.77+381329.3, GALEX J114509.7+381329, Gaia EDR3 766334560606426112, [SGR2010] J1145+3813, Gaia DR2 766334560606426112, 2MASS J11450979+3813292, ATO J176.2906+38.2248, SDSS J114509.77+381329.2, Gaia DR3 766334560606426112, LAMOST J114509.77+381329.2, TIC 10182784
| 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) |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 11 45 09.75 (0.03) | 11 45 09.77 | 11 45 09.75 (0.06) | 11 45 09.77 | 11 45 09.79 (0.03) | 11 45 09.48 | |||
| Declination | 38 13 29.34 (0.03) | 38 13 29.27 | 38 13 29.34 (0.05) | 38 13 29.21 | 38 13 29.24 (0.03) | 38 13 26.40 | |||
| Spectral type | DA+M | DA+M4 | DA M | ||||||
| Effective temperature | [K] | ||||||||
| log(g) | [cgs] | ||||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 12.99 (0.03) | 12.98 (0.08) | 12.99 (0.03) | |||||
| Distance | [pc] | 76.99 (0.2) | 77.06 (0.5) | 251.00 (10) | 76.99 (0.2) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -23.26027886 (0.03) | -23.17636845 (0.1) | -23.26 (0.03) | |||||
| Proper motion (declination) | [mas/yr] | 5.822279733 (0.03) | 5.708846326 (0.09) | 5.822 (0.03) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | WDMS | ||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 12.37 (0.02) | ||||||||
| H magnitude | 11.76 (0.02) | ||||||||
| K magnitude | 11.48 (0.02) | ||||||||
| u magnitude | 17.34 (0.009) | 17.31 | 17.33 (0.009) | 17.31 | |||||
| g magnitude | 16.67 (0.004) | 16.63 | 16.67 (0.004) | 16.62 | |||||
| r magnitude | 15.95 (0.004) | 15.95 | 15.95 (0.004) | 15.94 | |||||
| i magnitude | 14.73 (0.003) | 14.75 | 14.73 (0.003) | 14.74 | |||||
| z magnitude | 13.89 (0.004) | 13.91 | 13.89 (0.004) | 13.90 | |||||
| G magnitude | 15.23 (0.01) | 15.25 | 15.23 (0.004) | ||||||
| BP magnitude | 16.42 (0.01) | 16.41 | |||||||
| RP magnitude | 14.08 (0.009) | 14.09 | |||||||
| Pan g magnitude | 16.61 (0.009) | ||||||||
| Pan r magnitude | 15.97 (0.007) | ||||||||
| Pan i magnitude | 14.70 (0.005) | ||||||||
| Pan z magnitude | 13.99 (0.005) | ||||||||
| Pan y magnitude | 13.58 (0.003) | ||||||||
| E(B-V) | 0.003 | ||||||||
* 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.