All names: GALEX J075354.2+253109, SDSS J075354.22+253109.8, LAMOST J075354.23+253109.8, SDSSJ075354.22+253109.8, SDSS J075354.23+253109.8, Gaia EDR3 873767017124252544, Gaia DR3 873767017124252544, 2MASS J07535429+2531099, Gaia DR2 873767017124252544, TIC 171366466
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 07 53 54.23 (0.04) | 07 53 54.23 | 07 53 54.23 (0.04) | ||
| Declination | 25 31 09.71 (0.03) | 25 31 09.84 | 25 31 09.93 (0.03) | ||
| Spectral type | sdB | sdOB | |||
| Effective temperature | [K] | 33755.0 (320) | |||
| log(g) | [cgs] | 5.81 (0.07) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.54 (0.04) | 0.48 (0.06) | 0.54 (0.04) | |
| Distance | [pc] | 1847.40 (153) | 2103.93 (272) | 1847.40 (153) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 0.639 (0.05) | 0.566 (0.1) | 0.639 (0.05) | |
| Proper motion (declination) | [mas/yr] | -13.903 (0.03) | -13.934 (0.06) | -13.903 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 16.40 (0.09) | 16.33 (0.008) | |||
| H magnitude | 16.29 (0.2) | 16.44 (0.02) | |||
| K magnitude | 15.73 (0.2) | 16.53 (0.05) | |||
| u magnitude | 15.19 (0.004) | 15.19 (0.004) | |||
| g magnitude | 15.40 (0.003) | 15.40 (0.003) | |||
| r magnitude | 15.90 (0.004) | 15.90 (0.004) | |||
| i magnitude | 16.23 (0.005) | 16.23 (0.005) | |||
| z magnitude | 16.55 (0.009) | 16.55 (0.009) | |||
| G magnitude | 15.67 (0.003) | 15.68 (0.001) | 15.67 (0.003) | ||
| BP magnitude | 15.53 (0.004) | 15.44 (0.008) | |||
| RP magnitude | 15.93 (0.005) | 15.93 (0.004) | |||
| Pan g magnitude | 15.48 (0.004) | ||||
| Pan r magnitude | 15.91 (0.002) | ||||
| Pan i magnitude | 16.26 (0.002) | ||||
| Pan z magnitude | 16.54 (0.006) | ||||
| Pan y magnitude | 16.71 (0.008) | ||||
| 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.