All names: SDSS J113101.14+742051.7, Gaia DR2 1079203033831536000, FBS 1127+746, PG 1127+746, FBS B 993, USNO-B1.0 1643-00073235, Gaia DR3 1079203033831536000, GALEX J113101.1+742052, PG1127+746
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 11 31 01.15 | 11 31 01.15 (0.04) | ||
| Declination | 74 20 52.49 | 74 20 51.82 (0.05) | ||
| Spectral type | sdOB | sdOB | ||
| Effective temperature | [K] | |||
| log(g) | [cgs] | |||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.36 (0.06) | 0.29 (0.05) | |
| Distance | [pc] | 2773.16 (438) | 3473.43 (655) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -2.049 (0.1) | -2.22 (0.06) | |
| Proper motion (declination) | [mas/yr] | -11.497 (0.09) | -11.614 (0.07) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 16.20 | |||
| V magnitude | ||||
| R magnitude | 16.40 | |||
| I magnitude | ||||
| J magnitude | ||||
| H magnitude | ||||
| K magnitude | ||||
| u magnitude | 15.86 (0.005) | 15.85 (0.01) | ||
| g magnitude | 16.16 (0.003) | 16.17 (0.01) | ||
| r magnitude | 16.63 (0.004) | 16.65 (0.01) | ||
| i magnitude | 16.99 (0.005) | 16.98 (0.02) | ||
| z magnitude | 17.32 (0.02) | 17.32 (0.02) | ||
| G magnitude | 16.44 (0.001) | 16.41 (0.003) | ||
| BP magnitude | 16.23 (0.01) | |||
| RP magnitude | 16.69 (0.006) | |||
| Pan g magnitude | 16.26 (0.004) | |||
| Pan r magnitude | 16.65 (0.007) | |||
| Pan i magnitude | 17.01 (0.006) | |||
| Pan z magnitude | 17.30 (0.004) | |||
| Pan y magnitude | 17.48 (0.009) | |||
| E(B-V) | 0.027 | |||
* 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.