All names: CBS 439, TIC 393859716, Gaia EDR3 785980977968930560, UCAC4 681-053074, 2MASS J11373086+4600063, Gaia DR2 785980977968930560, LAMOST J113730.87+460006.2, GALEX J113730.7+460007, Balloon 81011001, PG1134+463, PG 1134+463, UCAC2 47428964, SDSS J113730.87+460006.2, Gaia DR3 785980977968930560
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Geier 2020 | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 11 37 30.86 (0.02) | 11 37 30.88 | 11 37 30.94 | 11 37 30.86 (0.04) | 11 37 30.88 (0.02) | 11 37 30.87 | |||
| Declination | 46 00 06.13 (0.04) | 46 00 06.22 | 46 00 06.89 | 46 00 06.14 (0.05) | 46 00 06.26 (0.04) | 46 00 06.27 | |||
| Spectral type | He-sdO | sdOHe | SDO | ||||||
| Effective temperature | [K] | 48889.0 (5000) | 100000.0 (1587) | ||||||
| log(g) | [cgs] | 5.69 (0.2) | 5.72 (0.05) | ||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.52 (0.05) | 0.57 (0.06) | 0.57 (0.06) | 0.52 (0.05) | ||||
| Distance | [pc] | 1940.34 (183) | 1758.40 (197) | 1758.48 (197) | 1940.24 (183) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -11.79930002 (0.03) | -11.8 (0.07) | -11.80019622 (0.08) | -11.799 (0.03) | -17.2 | |||
| Proper motion (declination) | [mas/yr] | -7.906580573 (0.04) | -7.854 (0.09) | -7.854093953 (0.09) | -7.907 (0.04) | -12.9 | |||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 14.90 (0.04) | ||||||||
| V magnitude | 15.14 (0.08) | ||||||||
| R magnitude | 15.58 (0.1) | ||||||||
| I magnitude | |||||||||
| J magnitude | 15.95 (0.08) | 15.95 (0.08) | |||||||
| H magnitude | 16.09 (0.2) | 16.09 (0.2) | |||||||
| K magnitude | 15.95 (0.2) | 15.95 (0.2) | |||||||
| u magnitude | 14.46 (0.003) | 14.46 (0.003) | 14.46 (0.003) | 14.48 (0.01) | |||||
| g magnitude | 14.86 (0.003) | 14.86 (0.003) | 14.86 (0.003) | 14.86 (0.01) | |||||
| r magnitude | 15.39 (0.003) | 15.39 (0.003) | 15.39 (0.003) | 15.40 (0.01) | |||||
| i magnitude | 15.76 (0.003) | 15.76 (0.003) | 15.76 (0.003) | 15.79 (0.01) | |||||
| z magnitude | 16.08 (0.007) | 16.08 (0.007) | 16.08 (0.007) | 16.09 (0.04) | |||||
| G magnitude | 15.15 (0.002) | 15.17 (0.0008) | 15.17 | 15.15 (0.003) | |||||
| BP magnitude | 14.98 (0.002) | 14.89 (0.01) | 14.89 | ||||||
| RP magnitude | 15.46 (0.002) | 15.45 (0.003) | 15.45 | ||||||
| Pan g magnitude | 15.00 (0.006) | 15.00 (0.006) | |||||||
| Pan r magnitude | 15.42 (0.002) | 15.42 (0.002) | |||||||
| Pan i magnitude | 15.80 (0.002) | 15.80 (0.002) | |||||||
| Pan z magnitude | 16.08 (0.003) | 16.08 (0.003) | |||||||
| Pan y magnitude | 16.29 (0.007) | 16.29 (0.007) | |||||||
| 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.