All names: TIC 368437692, Gaia DR2 3997846990381096192, PG1115+275, Ton 577, PB 2498, 2MASS J11182978+2717019, SDSS J111829.79+271701.8, Gaia EDR3 3997846990381096192, UCAC4 587-046900, PG 1115+276, HIDDEN NAME PG 1115+275, GALEX J111829.8+271703, LAMOST J111829.83+271703.3, Gaia DR3 3997846990381096192, SDSS J111829.80+271701.9
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 11 18 29.80 (0.06) | 11 18 29.81 | 11 18 29.80 (0.06) | ||
| Declination | 27 17 01.63 (0.06) | 27 17 03.23 | 27 17 02.03 (0.06) | ||
| Spectral type | sdO | sdB | |||
| Effective temperature | [K] | 48463.0 (2000) | |||
| log(g) | [cgs] | 5.72 (0.2) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.68 (0.07) | 0.88 (0.08) | 0.68 (0.07) | |
| Distance | [pc] | 1470.37 (148) | 1134.43 (101) | 1470.37 (148) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 1.707 (0.08) | 2.568 (0.1) | 1.707 (0.08) | |
| Proper motion (declination) | [mas/yr] | -24.616 (0.07) | -24.423 (0.1) | -24.616 (0.07) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.48 (0.03) | ||||
| V magnitude | 15.78 (0.01) | ||||
| R magnitude | 15.93 (0.1) | ||||
| I magnitude | |||||
| J magnitude | 16.37 (0.1) | 16.37 (0.1) | |||
| H magnitude | 16.31 | ||||
| K magnitude | 17.20 | ||||
| u magnitude | 14.99 (0.004) | 14.99 (0.004) | |||
| g magnitude | 15.39 (0.003) | 15.39 (0.003) | |||
| r magnitude | 15.93 (0.004) | 15.93 (0.004) | |||
| i magnitude | 16.33 (0.005) | 16.33 (0.005) | |||
| z magnitude | 16.65 (0.009) | 16.65 (0.009) | |||
| G magnitude | 15.66 (0.003) | 15.68 (0.002) | 15.66 (0.003) | ||
| BP magnitude | 15.48 (0.004) | 15.42 (0.02) | |||
| RP magnitude | 16.01 (0.005) | 16.01 (0.005) | |||
| Pan g magnitude | 15.45 (0.004) | ||||
| Pan r magnitude | 15.95 (0.004) | ||||
| Pan i magnitude | 16.34 (0.002) | ||||
| Pan z magnitude | 16.64 (0.004) | ||||
| Pan y magnitude | 16.86 (0.008) | ||||
| E(B-V) | 0.017 | ||||
* 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.