All names: Gaia DR2 1294104570049439872, Gaia DR3 1294104570049439872, WD 1439+362, WIRED J144149.17+360225.8, SDSS J144149.17+360225.8, [HHD2009] SDSS J1441+3602, 2MASS J14414914+3602257, TIC 68059876, Gaia EDR3 1294104570049439872
| 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 41 49.18 (0.08) | 14 41 49.17 | 14 41 49.18 (0.1) | 14 41 49.17 | 14 41 49.17 (0.08) | 14 41 49.17 | 14 41 49.27 | 14 41 49.17 | |||
| Declination | 36 02 25.72 (0.1) | 36 02 25.82 | 36 02 25.72 (0.1) | 36 02 25.80 | 36 02 25.82 (0.1) | 36 02 25.81 | 36 02 20.76 | 36 02 25.81 | |||
| Spectral type | DA+M | DA+M | DA+M | DA dM | DA+M | ||||||
| Effective temperature | [K] | 16910.0 (813) | 6350.0 (45) | 6328.0 (31) | |||||||
| log(g) | [cgs] | 7.60 (0.2) | 5.04 (0.05) | 7.03 (0.1) | |||||||
| Mass | [M☉] | 0.42 (0.08) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 1.89 (0.1) | 1.83 (0.2) | 1.89 (0.1) | |||||||
| Distance | [pc] | 527.99 (36) | 547.32 (49) | 428.00 (46) | 527.98 (36) | ||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 8.589609175 (0.1) | 8.35131691 (0.2) | 8.59 (0.1) | 13.8 | ||||||
| Proper motion (declination) | [mas/yr] | -6.358518583 (0.1) | -6.519633109 (0.2) | -6.359 (0.1) | -8.9 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | WDMS | WDMS | ||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 16.27 (0.1) | ||||||||||
| H magnitude | 15.51 (0.1) | ||||||||||
| K magnitude | 15.71 (0.1) | ||||||||||
| u magnitude | 19.08 (0.02) | 19.08 | 19.09 (0.02) | 19.08 (0.03) | 19.08 | 19.09 (0.03) | |||||
| g magnitude | 18.87 (0.009) | 18.87 | 18.87 (0.009) | 18.87 (0.02) | 18.87 | 18.87 (0.02) | |||||
| r magnitude | 18.89 (0.01) | 18.90 | 18.89 (0.01) | 18.90 (0.02) | 18.90 | 18.90 (0.02) | |||||
| i magnitude | 18.20 (0.009) | 18.17 | 18.23 (0.009) | 18.18 (0.02) | 18.18 | 18.18 (0.02) | |||||
| z magnitude | 17.54 (0.01) | 17.50 | 17.55 (0.01) | 17.50 (0.02) | 17.50 | 17.51 (0.02) | |||||
| G magnitude | 18.47 (0.02) | 18.48 | 18.47 (0.003) | ||||||||
| BP magnitude | 18.94 (0.02) | 18.90 | |||||||||
| RP magnitude | 17.69 (0.01) | 17.71 | |||||||||
| Pan g magnitude | 18.86 (0.009) | ||||||||||
| Pan r magnitude | 18.89 (0.008) | ||||||||||
| Pan i magnitude | 18.17 (0.002) | ||||||||||
| Pan z magnitude | 17.65 (0.004) | ||||||||||
| Pan y magnitude | 17.41 (0.02) | ||||||||||
| 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.