All names: Gaia DR3 1508324486370180480, WD 1422+497, 2MASS J14244053+4929580, WIRED J142440.50+492957.9, SBSS 1422+497, TIC 441708021, SDSS J142440.50+492957.9, CSO 645, Gaia EDR3 1508324486370180480, Gaia DR2 1508324486370180480, AP J14244053+4929580, [HHD2009] SDSS J1424+4929, SDSS J142440.51+492958.0, SDSS J142440.51+492957.9
| 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 24 40.43 (0.04) | 14 24 40.51 | 14 24 40.43 (0.04) | 14 24 40.50 | 14 24 40.53 (0.04) | 14 24 40.50 | 14 24 40.68 | 14 24 40.51 | |||
| Declination | 49 29 57.86 (0.05) | 49 29 57.98 | 49 29 57.87 (0.05) | 49 29 57.91 | 49 29 58.05 (0.05) | 49 29 57.92 | 49 29 52.80 | 49 29 57.93 | |||
| Spectral type | DA+K | DA+dK | DA+sdK | DA | DA+M | ||||||
| Effective temperature | [K] | 36572.0 (475) | 6533.0 (30) | 6300.0 (3) | |||||||
| log(g) | [cgs] | 7.28 (0.08) | 7.85 (0.08) | 5.00 (0.01) | |||||||
| Mass | [M☉] | 0.39 (0.02) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 2.64 (0.06) | 2.68 (0.06) | 2.64 (0.06) | |||||||
| Distance | [pc] | 378.91 (8) | 373.23 (8) | 378.92 (8) | |||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -58.3192068 (0.05) | -58.31149826 (0.08) | -58.319 (0.05) | -58.1 | ||||||
| Proper motion (declination) | [mas/yr] | -12.01211464 (0.06) | -11.99800399 (0.09) | -12.012 (0.06) | -17.0 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | WDMS | |||||||||
| B magnitude | 16.00 | ||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 14.08 (0.03) | ||||||||||
| H magnitude | 13.54 (0.03) | ||||||||||
| K magnitude | 13.45 (0.04) | ||||||||||
| u magnitude | 16.32 (0.006) | 16.34 | 16.32 (0.006) | 16.34 (0.02) | 16.34 | 16.31 (0.02) | |||||
| g magnitude | 16.20 (0.004) | 16.24 | 16.20 (0.004) | 16.24 (0.01) | 16.24 | 16.21 (0.01) | |||||
| r magnitude | 15.74 (0.004) | 15.74 | 15.74 (0.004) | 15.74 (0.02) | 15.74 | 15.73 (0.02) | |||||
| i magnitude | 15.40 (0.004) | 15.41 | 15.39 (0.004) | 15.41 (0.01) | 15.41 | 15.39 (0.01) | |||||
| z magnitude | 15.18 (0.005) | 15.21 | 15.19 (0.005) | 15.21 (0.02) | 15.21 | 15.18 (0.02) | |||||
| G magnitude | 15.68 (0.002) | 15.69 | 15.68 (0.003) | ||||||||
| BP magnitude | 16.06 (0.002) | 16.05 | |||||||||
| RP magnitude | 15.05 (0.002) | 15.07 | |||||||||
| Pan g magnitude | 16.21 (0.01) | ||||||||||
| Pan r magnitude | 15.78 (0.002) | ||||||||||
| Pan i magnitude | 15.43 (0.004) | ||||||||||
| Pan z magnitude | 15.26 (0.003) | ||||||||||
| Pan y magnitude | 15.14 (0.006) | ||||||||||
| E(B-V) | 0.020 | ||||||||||
* 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.