All names: USNO-B1.0 1091-00217938, SDSS J135437.76+191145.2, SDSS J135437.77+191145.2, 2MASS J13543777+1911445, LAMOST J135437.76+191145.2, Gaia DR3 1246677071561652608, SDSS J135437.77+191145.22, TIC 367758504, Gaia EDR3 1246677071561652608, WISEA J135437.77+191144.8, WISE J135437.76+191145.2, Gaia DR2 1246677067266286336
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 13 54 37.75 (0.5) | 13 54 37.77 | 13 54 37.75 (0.6) | 13 54 37.78 (0.5) | ||||
| Declination | 19 11 45.34 (0.5) | 19 11 45.20 | 19 11 45.33 (0.7) | 19 11 45.13 (0.5) | ||||
| Spectral type | DB:+M | DC+M | ||||||
| Effective temperature | [K] | 11434.0 (268) | ||||||
| log(g) | [cgs] | 6.95 (0.2) | ||||||
| Mass | [M☉] | |||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 4.46 (0.7) | 6.67 (1) | 4.46 (0.7) | ||||
| Distance | [pc] | 224.20 (33) | 150.03 (22) | 224.20 (33) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -24.54275086 (0.7) | -25.22825475 (2) | -24.543 (0.7) | ||||
| Proper motion (declination) | [mas/yr] | 13.02150037 (0.5) | 11.37162111 (1) | 13.022 (0.5) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | 20.10 | |||||||
| I magnitude | ||||||||
| J magnitude | 16.78 (0.1) | |||||||
| H magnitude | 16.20 (0.2) | |||||||
| K magnitude | 15.71 (0.2) | |||||||
| u magnitude | 19.51 (0.03) | 19.51 (0.03) | 19.51 (0.03) | |||||
| g magnitude | 19.45 (0.01) | 19.45 (0.01) | 19.45 (0.01) | |||||
| r magnitude | 19.46 (0.01) | 19.46 (0.01) | 19.46 (0.01) | |||||
| i magnitude | 18.95 (0.01) | 18.95 (0.01) | 18.95 (0.01) | |||||
| z magnitude | 18.35 (0.02) | 18.35 (0.02) | 18.35 (0.02) | |||||
| G magnitude | 19.50 (0.05) | 19.41 | 19.50 (0.01) | |||||
| BP magnitude | 19.43 (0.05) | 19.48 | ||||||
| RP magnitude | 18.52 (0.03) | 18.41 | ||||||
| Pan g magnitude | 19.45 (0.02) | |||||||
| Pan r magnitude | 19.49 (0.01) | |||||||
| Pan i magnitude | 19.01 (0.009) | |||||||
| Pan z magnitude | 18.48 (0.01) | |||||||
| Pan y magnitude | 18.13 (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.