All names: LAMOST J100354.27+403418.1, PG1000+408, BPS BS 16469-0043, KUV 348-13, UCAC4 653-052686, FBS B 68, FBS 1000+408, KUV 10009+4049, GALEX J100354.1+403415, Gaia DR2 803736166614876544, 2MASS J10035428+4034182, TIC 9376301, SBC9 3328, Gaia DR3 803736166614876544, PG 1000+408
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 10 03 54.28 | 10 03 54.27 (0.02) | ||
| Declination | 40 34 19.09 | 40 34 18.12 (0.02) | ||
| Spectral type | sdB+WD | sdO | ||
| Effective temperature | [K] | 36400.0 (1000) | ||
| log(g) | [cgs] | 5.54 (0.1) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 1.01 (0.05) | 1.00 (0.04) | |
| Distance | [pc] | 994.23 (47) | 1000.70 (37) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -2.169 (0.06) | -2.294 (0.03) | |
| Proper motion (declination) | [mas/yr] | -19.271 (0.07) | -19.272 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 12.99 (0.002) | |||
| V magnitude | 13.32 (0.001) | |||
| R magnitude | 13.46 (0.005) | |||
| I magnitude | 13.63 (0.005) | |||
| J magnitude | 13.98 (0.03) | 13.98 (0.03) | ||
| H magnitude | 14.24 (0.04) | 14.24 (0.04) | ||
| K magnitude | 14.33 (0.08) | 14.33 (0.08) | ||
| u magnitude | 12.79 (0.003) | |||
| g magnitude | 13.28 (0.003) | 12.97 (0.02) | ||
| r magnitude | 13.79 (0.008) | 13.56 (0.04) | ||
| i magnitude | 14.13 (0.005) | 13.93 (0.03) | ||
| z magnitude | 14.31 (0.004) | |||
| G magnitude | 13.27 (0.0005) | 13.25 (0.003) | ||
| BP magnitude | 12.99 (0.009) | |||
| RP magnitude | 13.58 (0.002) | |||
| Pan g magnitude | 13.05 | |||
| Pan r magnitude | 13.55 (0.001) | |||
| Pan i magnitude | 13.94 (0.005) | |||
| Pan z magnitude | 14.23 (0.004) | |||
| Pan y magnitude | 14.43 (0.02) | |||
| 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.