All names: WISEA J113840.68-003531.9, Gaia DR2 3794197787442075008, 2MASS J11384069-0035317, WIRED J113840.68-003531.8, SDSS J113840.68-003531.7, TIC 49463446, SDSS J113840.68-003531.8, PG1136-003, SDSS J113840.67-003531.9, SDSS J113840.69-003531.8, UCAC4 448-053282, WISE J113840.68-003532.0, Gaia DR3 3794197787442075008, FBS 1136-003, PG 1136-003, SDSS J113840.68-003531.9, Gaia EDR3 3794197787442075008
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Geier 2020 | Gaia DR2 | Stilism | Harris et al. 2003 | Simbad | Eisenstein et al. 2006 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 11 38 40.68 (0.04) | 11 38 40.71 | 11 38 40.68 (0.05) | 11 38 40.69 (0.04) | 11 38 40.68 | ||||
| Declination | -00 35 32.18 (0.03) | -00 35 30.41 | -00 35 32.17 (0.04) | -00 35 31.78 (0.03) | -00 35 31.79 | ||||
| Spectral type | sdB+WD | sdB-He | sdB1VIIeHe1 | SDB | |||||
| Effective temperature | [K] | 31200.0 (600) | 28849.0 (165) | ||||||
| log(g) | [cgs] | 5.54 (0.09) | 5.00 (0.003) | ||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.77 (0.05) | 0.86 (0.06) | 0.86 (0.06) | 0.77 (0.05) | ||||
| Distance | [pc] | 1294.28 (76) | 1156.20 (84) | 1156.20 (84) | 1294.33 (76) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -8.183249047 (0.06) | -8.426 (0.1) | -8.426 (0.1) | -8.183 (0.06) | -4.1 | |||
| Proper motion (declination) | [mas/yr] | -25.35826485 (0.04) | -25.372 (0.07) | -25.372 (0.07) | -25.358 (0.04) | -22.3 | |||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 14.22 (0.02) | ||||||||
| V magnitude | 14.47 (0.03) | ||||||||
| R magnitude | 14.79 (0.1) | ||||||||
| I magnitude | |||||||||
| J magnitude | 15.16 (0.04) | 15.16 (0.04) | |||||||
| H magnitude | 15.14 (0.09) | 15.14 (0.09) | |||||||
| K magnitude | 15.27 (0.2) | 15.27 (0.2) | |||||||
| u magnitude | 13.90 (0.003) | 13.93 | 13.95 (0.004) | 13.94 (0.01) | |||||
| g magnitude | 14.15 (0.003) | 14.18 | 18.16 (0.02) | 14.17 (0.02) | |||||
| r magnitude | 14.68 (0.004) | 14.66 | 14.66 (0.004) | 14.67 (0.02) | |||||
| i magnitude | 15.06 (0.004) | 15.10 | 15.02 (0.004) | 15.10 (0.01) | |||||
| z magnitude | 15.37 (0.005) | 15.37 | 15.52 (0.006) | 15.37 (0.02) | |||||
| G magnitude | 14.42 (0.002) | 14.44 (0.0006) | 14.44 | 14.42 (0.003) | |||||
| BP magnitude | 14.28 (0.002) | 14.24 (0.007) | 14.24 | ||||||
| RP magnitude | 14.71 (0.002) | 14.71 (0.002) | 14.71 | ||||||
| Pan g magnitude | 14.25 (0.003) | 14.25 (0.003) | |||||||
| Pan r magnitude | 14.67 (0.004) | 14.67 (0.004) | |||||||
| Pan i magnitude | 15.04 (0.003) | 15.04 (0.003) | |||||||
| Pan z magnitude | 15.34 (0.002) | 15.34 (0.002) | |||||||
| Pan y magnitude | 15.51 (0.006) | 15.52 (0.006) | |||||||
| E(B-V) | 0.022 | ||||||||
* 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.