All names: Gaia DR3 3808614407811403008, SDSS J110215.46+024034.1, Gaia DR2 3808614407811403008, LAMOST J110215.45+024034.1, SDSS J110215.45+024034.2, SDSS J110215.45+024034.1, SDSSJ110215.45+024034.1, SDSS J110215.46+024034.2, Gaia EDR3 3808614407811403008
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Geier 2020 | Gaia DR2 | Stilism | Hugelmeyer et al. 2006 | Simbad | Eisenstein et al. 2006 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 11 02 15.46 (0.09) | 11 02 15.45 | 11 02 15.45 | 11 02 15.46 (0.1) | 11 02 15.46 (0.09) | 11 02 15.45 | ||||
| Declination | 02 40 34.22 (0.08) | 02 40 34.26 | 02 40 34.10 | 02 40 34.22 (0.1) | 02 40 34.33 (0.08) | 02 40 34.26 | ||||
| Spectral type | He-sdO | PG1159 | sdOHe | SDO | ||||||
| Effective temperature | [K] | 56600.0 (4200) | 55000.0 (800) | 97864.0 (5131) | ||||||
| log(g) | [cgs] | 5.36 (0.2) | 6.40 (0.02) | 5.61 (0.1) | ||||||
| Mass | [M☉] | |||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | -2.0 (-3) | |||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 0.20 (0.1) | 0.14 (0.2) | 0.14 (0.2) | 0.20 (0.1) | |||||
| Distance | [pc] | 4890.04 (2414) | 7407.41 (8329) | 7407.41 (8329) | 4889.98 (2415) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -0.84689215 (0.1) | -0.916 (0.3) | -0.916 (0.3) | -0.847 (0.1) | 6.9 | ||||
| Proper motion (declination) | [mas/yr] | -7.124811758 (0.1) | -7.105 (0.2) | -7.105 (0.2) | -7.125 (0.1) | -7.6 | ||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 18.17 (0.04) | |||||||||
| H magnitude | 18.50 (0.1) | |||||||||
| K magnitude | 18.70 (0.2) | |||||||||
| u magnitude | 16.81 (0.007) | 16.82 (0.007) | 16.82 (0.007) | 16.80 (0.02) | ||||||
| g magnitude | 17.22 (0.005) | 17.22 (0.005) | 17.22 (0.005) | 17.21 (0.01) | ||||||
| r magnitude | 17.72 (0.006) | 17.72 (0.006) | 17.72 (0.006) | 17.72 (0.02) | ||||||
| i magnitude | 18.05 (0.009) | 18.05 (0.009) | 18.05 (0.009) | 18.06 (0.02) | ||||||
| z magnitude | 18.45 (0.03) | 18.45 (0.03) | 18.45 (0.03) | 18.45 (0.04) | ||||||
| G magnitude | 17.47 (0.01) | 17.50 (0.003) | 17.50 | 17.47 (0.003) | ||||||
| BP magnitude | 17.31 (0.01) | 17.26 (0.02) | 17.26 | |||||||
| RP magnitude | 17.78 (0.02) | 17.75 (0.02) | 17.75 | |||||||
| Pan g magnitude | 17.32 (0.002) | 17.32 (0.002) | ||||||||
| Pan r magnitude | 17.74 (0.006) | 17.74 (0.006) | ||||||||
| Pan i magnitude | 18.10 (0.003) | 18.10 (0.003) | ||||||||
| Pan z magnitude | 18.37 (0.007) | 18.37 (0.007) | ||||||||
| Pan y magnitude | 18.62 (0.02) | 18.62 (0.03) | ||||||||
| E(B-V) | 0.026 | |||||||||
* 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.