All names: LAMOST J113111.59+193640.4, Gaia EDR3 3977575573672822400, UCAC4 549-049931, TIC 371793311, PG 1128+199, Gaia DR3 3977575573672822400, Gaia DR2 3977575573672822400, 2MASS J11311152+1936406, GALEX J113111.5+193639, PG1128+199, SDSS J113111.52+193640.6
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 11 31 11.53 (0.06) | 11 31 11.52 | 11 31 11.53 (0.06) | ||
| Declination | 19 36 40.55 (0.04) | 19 36 41.14 | 19 36 40.70 (0.04) | ||
| Spectral type | sdB | sdB | |||
| Effective temperature | [K] | 29179.0 (1005) | |||
| log(g) | [cgs] | 5.58 (0.2) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.53 (0.05) | 0.51 (0.06) | 0.53 (0.05) | |
| Distance | [pc] | 1902.95 (188) | 1975.11 (252) | 1902.95 (188) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 1.048 (0.07) | 0.96 (0.1) | 1.048 (0.07) | |
| Proper motion (declination) | [mas/yr] | -9.108 (0.05) | -9.229 (0.09) | -9.108 (0.05) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.43 (0.04) | ||||
| V magnitude | 15.61 (0.01) | ||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 16.09 (0.07) | 16.09 (0.07) | |||
| H magnitude | 16.45 (0.2) | 16.45 (0.2) | |||
| K magnitude | 15.95 (0.2) | 15.95 (0.2) | |||
| u magnitude | 15.12 (0.005) | 15.12 (0.005) | |||
| g magnitude | 15.29 (0.004) | 15.29 (0.004) | |||
| r magnitude | 15.78 (0.004) | 15.78 (0.004) | |||
| i magnitude | 16.13 (0.005) | 16.13 (0.005) | |||
| z magnitude | 16.44 (0.009) | 16.44 (0.009) | |||
| G magnitude | 15.55 (0.003) | 15.57 (0.0009) | 15.55 (0.003) | ||
| BP magnitude | 15.41 (0.004) | 15.38 (0.01) | |||
| RP magnitude | 15.83 (0.005) | 15.84 (0.004) | |||
| Pan g magnitude | 15.38 (0.005) | ||||
| Pan r magnitude | 15.80 (0.003) | ||||
| Pan i magnitude | 16.16 (0.003) | ||||
| Pan z magnitude | 16.45 (0.003) | ||||
| Pan y magnitude | 16.64 (0.005) | ||||
| 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.