All names: Gaia EDR3 3734224925705249152, PG1303+097, 2MASS J13060387+0924311, GALEX J130603.9+092431, Gaia DR3 3734224925705249152, Gaia DR2 3734224925705249152, SDSS J130603.88+092431.2, TIC 422331664, PG 1303+097, LAMOST J130603.87+092431.0
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 13 06 03.88 (0.04) | 13 06 03.90 | 13 06 03.88 (0.04) | ||
| Declination | 09 24 30.98 (0.02) | 09 24 32.56 | 09 24 31.27 (0.02) | ||
| Spectral type | sdB | sdB | |||
| Effective temperature | [K] | 29800.0 (500) | |||
| log(g) | [cgs] | 5.83 (0.05) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 1.11 (0.04) | 1.10 (0.05) | 1.11 (0.04) | |
| Distance | [pc] | 899.04 (33) | 906.78 (39) | 899.04 (33) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -7.275 (0.06) | -7.126 (0.1) | -7.275 (0.06) | |
| Proper motion (declination) | [mas/yr] | -17.87 (0.05) | -18.101 (0.07) | -17.87 (0.05) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.34 | ||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 15.07 (0.05) | 15.09 (0.003) | |||
| H magnitude | 15.15 (0.09) | 15.19 (0.008) | |||
| K magnitude | 15.58 | 15.28 (0.01) | |||
| u magnitude | 13.99 (0.003) | 13.99 (0.003) | |||
| g magnitude | 14.19 (0.003) | 14.19 (0.003) | |||
| r magnitude | 14.65 (0.003) | 14.65 (0.003) | |||
| i magnitude | 15.00 (0.004) | 15.00 (0.004) | |||
| z magnitude | 15.30 (0.005) | 15.30 (0.005) | |||
| G magnitude | 14.44 (0.003) | 14.45 (0.0005) | 14.44 (0.003) | ||
| BP magnitude | 14.30 (0.003) | 14.25 (0.004) | |||
| RP magnitude | 14.70 (0.004) | 14.70 (0.002) | |||
| Pan g magnitude | 14.25 (0.003) | ||||
| Pan r magnitude | 14.67 (0.002) | ||||
| Pan i magnitude | 15.03 (0.004) | ||||
| Pan z magnitude | 15.30 (0.009) | ||||
| Pan y magnitude | 15.48 (0.002) | ||||
| E(B-V) | 0.023 | ||||
* 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.