All names: GALEX J115950.2+400145, SDSS J115950.23+400143.8, Gaia EDR3 4034799308448094848, Gaia DR2 4034799308448094848, Gaia DR3 4034799308448094848, SDSS J115950.24+400143.89, TIC 358752487, SDSS J115950.24+400143.9, SDSS J115950.16+400144.0, SDSS J115950.24+400143.8, 2MASS J11595023+4001440, WD 1157+403
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | SDSS DR10 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Kepler et al. 2015 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 11 59 50.23 (0.08) | 11 59 50.24 | 11 59 50.24 | 11 59 50.23 (0.1) | 11 59 50.23 | 11 59 50.24 (0.08) | 11 59 50.11 | ||||
| Declination | 40 01 43.88 (0.1) | 40 01 43.90 | 40 01 43.90 | 40 01 43.88 (0.2) | 40 01 43.79 | 40 01 43.89 (0.1) | 40 01 41.88 | ||||
| Spectral type | DB+M | DB+M_known | DB+M | DB: dM | |||||||
| Effective temperature | [K] | 16481.0 (32) | 19876.0 (1000) | ||||||||
| log(g) | [cgs] | 8.36 (0.02) | 6.50 (0.5) | ||||||||
| Mass | [M☉] | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 1.71 (0.2) | 2.05 (0.3) | 1.71 (0.2) | |||||||
| Distance | [pc] | 584.69 (54) | 486.84 (63) | 422.00 (38) | 584.69 (54) | ||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -1.484832394 (0.1) | -1.692739644 (0.2) | -1.485 (0.1) | |||||||
| Proper motion (declination) | [mas/yr] | -0.758427327 (0.1) | -0.836702033 (0.3) | -0.758 (0.1) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | ||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 15.62 (0.06) | ||||||||||
| H magnitude | 15.08 (0.08) | ||||||||||
| K magnitude | 14.94 (0.1) | ||||||||||
| u magnitude | 19.58 (0.03) | 19.58 (0.03) | 19.61 | 19.58 (0.03) | 19.61 (0.04) | 19.61 | |||||
| g magnitude | 19.29 (0.01) | 19.29 (0.01) | 19.32 | 19.29 (0.01) | 19.32 (0.01) | 19.32 | |||||
| r magnitude | 18.65 (0.009) | 18.65 (0.009) | 18.65 | 18.65 (0.01) | 18.65 (0.009) | 18.64 | |||||
| i magnitude | 17.62 (0.007) | 17.62 (0.007) | 17.64 | 17.62 (0.01) | 17.65 (0.007) | 17.64 | |||||
| z magnitude | 16.96 (0.01) | 16.96 (0.01) | 17.03 | 16.96 (0.01) | 17.02 (0.01) | 17.03 | |||||
| G magnitude | 18.18 (0.03) | 18.19 | 18.18 (0.003) | ||||||||
| BP magnitude | 19.08 (0.03) | 19.05 | |||||||||
| RP magnitude | 17.14 (0.008) | 17.15 | |||||||||
| Pan g magnitude | 19.25 (0.009) | ||||||||||
| Pan r magnitude | 18.66 (0.01) | ||||||||||
| Pan i magnitude | 17.61 (0.003) | ||||||||||
| Pan z magnitude | 17.07 (0.004) | ||||||||||
| Pan y magnitude | 16.82 (0.009) | ||||||||||
| 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.