All names: PG 1127-088, SDSS J112947.40-090433.0, Gaia DR2 3590442541759445888, Gaia EDR3 3590442541759445888, PG1127-088, GALEX J112947.4-090432, Gaia DR3 3590442541759445888, USNO-B1.0 0809-00229427
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 11 29 47.40 (0.07) | 11 29 47.44 | 11 29 47.41 (0.07) | ||
| Declination | -09 04 33.06 (0.05) | -09 04 32.91 | -09 04 33.03 (0.05) | ||
| Spectral type | sd | sd | |||
| 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 (0.08) | 0.48 (0.1) | 0.36 (0.08) | |
| Distance | [pc] | 2777.78 (618) | 2083.33 (575) | 2777.78 (618) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -5.93 (0.08) | -5.819 (0.2) | -5.93 (0.08) | |
| Proper motion (declination) | [mas/yr] | -1.719 (0.06) | -1.81 (0.1) | -1.719 (0.06) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 17.00 | ||||
| V magnitude | |||||
| R magnitude | 16.80 | ||||
| I magnitude | |||||
| J magnitude | |||||
| H magnitude | |||||
| K magnitude | |||||
| u magnitude | 16.09 (0.006) | 16.12 (0.01) | |||
| g magnitude | 16.40 (0.004) | 16.45 (0.02) | |||
| r magnitude | 16.92 (0.005) | 16.92 (0.01) | |||
| i magnitude | 17.27 (0.006) | 17.26 (0.01) | |||
| z magnitude | 17.61 (0.01) | 17.60 (0.02) | |||
| G magnitude | 16.67 (0.003) | 16.70 (0.002) | 16.67 (0.003) | ||
| BP magnitude | 16.52 (0.006) | 16.48 (0.007) | |||
| RP magnitude | 16.97 (0.01) | 16.97 (0.007) | |||
| Pan g magnitude | 16.51 (0.007) | ||||
| Pan r magnitude | 16.92 (0.002) | ||||
| Pan i magnitude | 17.31 (0.004) | ||||
| Pan z magnitude | 17.57 (0.004) | ||||
| Pan y magnitude | 17.75 (0.02) | ||||
| E(B-V) | 0.026 | ||||
* 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.