All names: SBSS0803+510, Gaia EDR3 935412270405847424, SDSS J080700.25+505516.0, Gaia DR2 935412270405847424, Gaia DR3 935412270405847424, TIC 252983464, SDSS J080700.25+505516.07, 2MASS J08070022+5055161, SDSS J080700.24+505516.1, SBSS 0803+510
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Geier 2020 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 07 00.25 (0.05) | 08 07 00.25 | 08 07 00.36 | 08 07 00.25 (0.06) | 08 07 00.25 (0.05) | ||||
| Declination | 50 55 16.04 (0.03) | 50 55 16.12 | 50 55 17.50 | 50 55 16.05 (0.04) | 50 55 16.12 (0.03) | ||||
| Spectral type | He-sdO | He-sdO | sdO | ||||||
| Effective temperature | [K] | 50000.0 (50) | |||||||
| log(g) | [cgs] | 7.00 (0.05) | |||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.31 (0.06) | 0.29 (0.09) | 0.29 (0.09) | 0.31 (0.06) | ||||
| Distance | [pc] | 3237.72 (656) | 3421.14 (1001) | 3421.25 (1001) | 3237.29 (656) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | 2.595228562 (0.06) | 2.461 (0.1) | 2.46126126 (0.1) | 2.595 (0.06) | ||||
| Proper motion (declination) | [mas/yr] | -5.107602636 (0.04) | -4.949 (0.08) | -4.948829629 (0.08) | -5.108 (0.04) | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 16.00 | ||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 16.61 (0.2) | 16.61 (0.2) | |||||||
| H magnitude | 16.96 | ||||||||
| K magnitude | 16.06 | ||||||||
| u magnitude | 15.78 (0.005) | 15.79 (0.005) | 15.79 (0.02) | 15.78 (0.005) | |||||
| g magnitude | 16.10 (0.004) | 16.10 (0.004) | 16.12 (0.03) | 16.10 (0.004) | |||||
| r magnitude | 16.51 (0.004) | 16.51 (0.004) | 16.52 (0.02) | 16.51 (0.004) | |||||
| i magnitude | 16.83 (0.005) | 16.83 (0.005) | 16.84 (0.01) | 16.83 (0.005) | |||||
| z magnitude | 17.09 (0.01) | 17.09 (0.01) | 17.11 (0.03) | 17.09 (0.01) | |||||
| G magnitude | 16.30 (0.003) | 16.33 (0.001) | 16.33 | 16.30 (0.003) | |||||
| BP magnitude | 16.18 (0.003) | 16.13 (0.008) | 16.13 | ||||||
| RP magnitude | 16.52 (0.005) | 16.52 (0.004) | 16.52 | ||||||
| Pan g magnitude | 16.17 (0.004) | 16.17 (0.004) | |||||||
| Pan r magnitude | 16.52 (0.005) | 16.52 (0.005) | |||||||
| Pan i magnitude | 16.84 (0.003) | 16.84 (0.003) | |||||||
| Pan z magnitude | 17.10 (0.006) | 17.10 (0.006) | |||||||
| Pan y magnitude | 17.29 (0.03) | 17.29 (0.03) | |||||||
| E(B-V) | 0.041 | ||||||||
* 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.