All names: TIC 68036708, 2MASS J14391426+4130451, [SGR2010] J1439+4130, Gaia DR3 1489918146324937856, SDSS J143914.28+413044.8, LAMOST J143914.27+413044.8, WD 1437+417, Gaia EDR3 1489918146324937856, GALEX J143914.2+413044, SDSS J143914.27+413044.8, SDSS J143914.27+413044.9, SDSS J143914.16+413045.0, Gaia DR2 1489918146324937856
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 14 39 14.27 (0.2) | 14 39 14.27 | 14 39 14.27 (0.2) | 14 39 14.27 | 14 39 14.27 (0.2) | 14 39 13.97 | |||
| Declination | 41 30 44.24 (0.2) | 41 30 44.81 | 41 30 44.26 (0.2) | 41 30 44.78 | 41 30 45.04 (0.2) | 41 30 43.56 | |||
| Spectral type | DB+M | DB+dM | DB d | ||||||
| Effective temperature | [K] | 15954.0 (30) | |||||||
| log(g) | [cgs] | 9.00 | |||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 2.16 (0.2) | 1.21 (0.2) | 2.16 (0.2) | |||||
| Distance | [pc] | 463.49 (46) | 825.35 (149) | 222.00 (30) | 463.50 (46) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -3.559833185 (0.2) | -3.319719337 (0.3) | -3.56 (0.2) | |||||
| Proper motion (declination) | [mas/yr] | -49.86165939 (0.2) | -48.62741622 (0.4) | -49.862 (0.2) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | WDMS | ||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 14.70 (0.03) | ||||||||
| H magnitude | 14.09 (0.04) | ||||||||
| K magnitude | 13.83 (0.05) | ||||||||
| u magnitude | 18.74 (0.02) | 18.69 | 18.74 (0.02) | 18.69 | |||||
| g magnitude | 18.25 (0.006) | 18.25 | 18.26 (0.006) | 18.25 | |||||
| r magnitude | 17.49 (0.006) | 17.49 | 17.49 (0.006) | 17.49 | |||||
| i magnitude | 16.52 (0.005) | 16.52 | 16.52 (0.005) | 16.52 | |||||
| z magnitude | 15.95 (0.007) | 15.92 | 15.95 (0.007) | 15.92 | |||||
| G magnitude | 17.27 (0.01) | 17.20 | 17.27 (0.005) | ||||||
| BP magnitude | 18.02 (0.01) | 18.01 | |||||||
| RP magnitude | 16.10 (0.004) | 16.11 | |||||||
| Pan g magnitude | 18.18 (0.005) | ||||||||
| Pan r magnitude | 17.50 (0.009) | ||||||||
| Pan i magnitude | 16.52 (0.001) | ||||||||
| Pan z magnitude | 16.06 (0.004) | ||||||||
| Pan y magnitude | 15.83 (0.007) | ||||||||
| 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.