All names: Gaia DR3 3659282071421595520, SDSS J140353.52-014057.5, SDSS J140353.51-014057.5, GALEX J140353.5-014057, 2QZ J140353.4-014058, Gaia EDR3 3659282071421595520, WD 1401-014, Gaia DR2 3659282071421595520, SDSS J140353.50-014057.5
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 14 03 53.50 (0.8) | 14 03 53.51 | 14 03 53.50 (1) | 14 03 53.51 | 14 03 53.51 (0.8) | 14 03 53.52 | 14 03 53.69 | 14 03 53.52 | |||
| Declination | -01 40 57.57 (0.7) | -01 40 57.57 | -01 40 57.57 (1) | -01 40 57.50 | -01 40 57.53 (0.7) | -01 40 57.56 | -01 40 58.08 | -01 40 57.54 | |||
| Spectral type | DA+M | DA+M | DA+M: | DA dM | DA+M | ||||||
| Effective temperature | [K] | 29050.0 (2286) | 26780.0 (1110) | 27155.0 (1244) | |||||||
| log(g) | [cgs] | 7.62 (0.4) | 7.85 (0.2) | 7.85 (0.3) | |||||||
| Mass | [M☉] | 0.47 (0.2) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 0.46 (0.9) | 0.46 (0.9) | ||||||||
| Distance | [pc] | 2177.82 (4352) | 1760.00 (353) | 2177.70 (4352) | |||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -6.446898339 (1) | -6.447 (1) | 5.9 | |||||||
| Proper motion (declination) | [mas/yr] | -2.694588134 (0.8) | -2.695 (0.8) | -4.8 | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | WDMS | WDMS | ||||||||
| B magnitude | 20.34 | ||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 19.87 (0.04) | 19.90 | 19.89 (0.04) | 19.90 (0.04) | 19.90 | 19.87 (0.04) | |||||
| g magnitude | 20.13 (0.02) | 20.19 | 20.15 (0.02) | 20.19 (0.03) | 20.19 | 20.17 (0.03) | |||||
| r magnitude | 20.47 (0.03) | 20.54 | 20.48 (0.03) | 20.54 (0.03) | 20.54 | 20.53 (0.03) | |||||
| i magnitude | 20.32 (0.04) | 20.41 | 20.31 (0.04) | 20.41 (0.04) | 20.41 | 20.41 (0.04) | |||||
| z magnitude | 20.26 (0.1) | 20.33 | 20.26 (0.1) | 20.33 (0.1) | 20.33 | 20.30 (0.1) | |||||
| G magnitude | 20.38 (0.2) | 20.44 | 20.38 (0.01) | ||||||||
| BP magnitude | 20.15 (0.2) | 19.96 | |||||||||
| RP magnitude | 19.83 (0.1) | 19.70 | |||||||||
| Pan g magnitude | 20.15 (0.01) | ||||||||||
| Pan r magnitude | 20.45 (0.04) | ||||||||||
| Pan i magnitude | 20.46 (0.03) | ||||||||||
| Pan z magnitude | 20.23 (0.06) | ||||||||||
| Pan y magnitude | 19.92 (0.04) | ||||||||||
| E(B-V) | 0.025 | ||||||||||
* 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.