All names: TIC 138560993, SDSS J113935.44+614953.9, FBS B 695, GALEX J113935.5+614953, SDSSJ113935.45+614953.9, Gaia DR3 862624635006463232, Gaia EDR3 862624635006463232, 2MASS J11393543+6149540, Gaia DR2 862624635006463232, SDSS J113935.45+614953.9, USNO-B1.0 1518-00196023, FBS 1136+621
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Geier 2020 | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 11 39 35.44 (0.04) | 11 39 35.45 | 11 39 35.45 | 11 39 35.44 (0.05) | 11 39 35.45 (0.04) | 11 39 35.45 | |||
| Declination | 61 49 53.83 (0.04) | 61 49 53.91 | 61 49 53.90 | 61 49 53.83 (0.05) | 61 49 53.93 (0.04) | 61 49 53.92 | |||
| Spectral type | sdB | sdB | SD_auto | ||||||
| Effective temperature | [K] | 28800.0 (900) | 26981.0 (231) | ||||||
| log(g) | [cgs] | 5.27 (0.1) | 5.00 (0.002) | ||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.23 (0.05) | 0.28 (0.07) | 0.28 (0.07) | 0.23 (0.05) | ||||
| Distance | [pc] | 4309.92 (974) | 3558.72 (919) | 3558.71 (920) | 4310.34 (974) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -1.790927346 (0.05) | -1.918 (0.1) | -1.918147822 (0.1) | -1.791 (0.05) | 2.3 | |||
| Proper motion (declination) | [mas/yr] | -6.59461088 (0.06) | -6.619 (0.1) | -6.619335622 (0.1) | -6.595 (0.06) | -6.8 | |||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 16.50 | ||||||||
| V magnitude | 16.10 | ||||||||
| R magnitude | 17.30 | ||||||||
| I magnitude | |||||||||
| J magnitude | 16.67 (0.1) | 16.67 (0.1) | |||||||
| H magnitude | 16.75 | ||||||||
| K magnitude | 16.06 | ||||||||
| u magnitude | 16.73 (0.007) | 16.73 (0.007) | 16.76 (0.007) | 16.74 (0.01) | |||||
| g magnitude | 16.76 (0.004) | 16.76 (0.004) | 16.76 (0.004) | 16.77 (0.03) | |||||
| r magnitude | 17.04 (0.005) | 17.04 (0.005) | 17.05 (0.005) | 17.05 (0.02) | |||||
| i magnitude | 17.24 (0.006) | 17.24 (0.006) | 17.26 (0.006) | 17.24 (0.01) | |||||
| z magnitude | 17.41 (0.01) | 17.41 (0.01) | 17.41 (0.01) | 17.39 (0.03) | |||||
| G magnitude | 16.90 (0.004) | 16.93 (0.002) | 16.93 | 16.90 (0.003) | |||||
| BP magnitude | 16.87 (0.004) | 16.84 (0.007) | 16.84 | ||||||
| RP magnitude | 16.93 (0.008) | 16.94 (0.006) | 16.94 | ||||||
| Pan g magnitude | 16.85 (0.003) | 16.85 (0.003) | |||||||
| Pan r magnitude | 17.08 (0.005) | 17.08 (0.005) | |||||||
| Pan i magnitude | 17.26 (0.006) | 17.26 (0.006) | |||||||
| Pan z magnitude | 17.42 (0.005) | 17.42 (0.005) | |||||||
| Pan y magnitude | 17.48 (0.01) | 17.48 (0.01) | |||||||
| E(B-V) | 0.021 | ||||||||
* 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.