All names: TIC 70630362, WISEA J074211.94+182227.4, WISE J074211.96+182228.1, Gaia EDR3 671279581362797952, 2MASS J07421191+1822276, WIRED J074211.87+182227.6, SDSS J074211.87+182227.6, SDSS J074211.86+182227.6
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 07 42 11.84 (0.7) | 07 42 11.87 | 07 42 11.87 | 07 42 11.87 | 07 42 11.87 | |||
| Declination | 18 22 27.32 (0.4) | 18 22 27.60 | 18 22 27.59 | 18 22 27.60 | 18 22 27.60 | |||
| Spectral type | DA+M | DA+M | DA+M | |||||
| Effective temperature | [K] | 13127.0 (495) | 9142.0 (53) | |||||
| log(g) | [cgs] | 7.89 (0.1) | 7.35 (0.1) | |||||
| Mass | [M☉] | 0.55 (0.06) | ||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | |||||||
| Distance | [pc] | 84.00 (7) | ||||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | |||||||
| Proper motion (declination) | [mas/yr] | |||||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | WDMS | WDMS | ||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 16.21 (0.1) | |||||||
| H magnitude | 15.33 (0.1) | |||||||
| K magnitude | 15.45 (0.2) | |||||||
| u magnitude | 19.38 (0.03) | 19.42 | 19.38 (0.03) | 19.42 (0.03) | ||||
| g magnitude | 18.94 (0.009) | 19.00 | 18.94 (0.009) | 19.00 (0.01) | ||||
| r magnitude | 18.80 (0.01) | 18.96 | 18.80 (0.01) | 18.96 (0.01) | ||||
| i magnitude | 18.06 (0.009) | 18.20 | 18.07 (0.009) | 18.20 (0.01) | ||||
| z magnitude | 17.46 (0.01) | 17.57 | 17.46 (0.01) | 17.57 (0.02) | ||||
| G magnitude | 19.21 (0.1) | |||||||
| BP magnitude | 18.99 (0.1) | |||||||
| RP magnitude | 17.69 (0.05) | |||||||
| Pan g magnitude | 18.92 (0.006) | |||||||
| Pan r magnitude | 18.94 (0.01) | |||||||
| Pan i magnitude | 18.18 (0.01) | |||||||
| Pan z magnitude | 17.68 (0.008) | |||||||
| Pan y magnitude | 17.41 (0.01) | |||||||
| E(B-V) | 0.002 | |||||||
* 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.