All names: Gaia DR2 924450105117580928, WIRED J073455.91+410537.4, GALEX J073455.9+410537, SDSS J073455.92+410537.4, TIC 16077266, WISE J073455.90+410537.5, SDSS J073455.92+410537.5, Gaia EDR3 924450105117580928, Gaia DR3 924450105117580928, SDSS J073455.91+410537.4, WISEA J073455.90+410537.4, 2MASS J07345592+4105374
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 07 34 55.91 (0.05) | 07 34 55.92 | 07 34 55.91 (0.07) | 07 34 55.92 | 07 34 55.92 (0.05) | 07 34 55.92 | |||
| Declination | 41 05 37.36 (0.04) | 41 05 37.43 | 41 05 37.36 (0.06) | 41 05 37.46 | 41 05 37.43 (0.04) | 41 05 37.46 | |||
| Spectral type | DA+M | DA+M | DA+M | ||||||
| Effective temperature | [K] | 19416.0 (178) | 22154.0 (117) | ||||||
| log(g) | [cgs] | 7.96 (0.04) | 7.02 (0.02) | ||||||
| Mass | [M☉] | 0.6 (0.02) | |||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 3.86 (0.07) | 3.98 (0.1) | 3.86 (0.07) | |||||
| Distance | [pc] | 259.13 (5) | 251.54 (6) | 256.00 (6) | 259.13 (5) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -5.882595094 (0.07) | -5.937300186 (0.1) | -5.883 (0.07) | |||||
| Proper motion (declination) | [mas/yr] | -4.060299949 (0.04) | -4.267001903 (0.1) | -4.06 (0.04) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | WDMS | WDMS | |||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 14.44 (0.03) | ||||||||
| H magnitude | 13.89 (0.03) | ||||||||
| K magnitude | 13.56 (0.04) | ||||||||
| u magnitude | 17.69 (0.01) | 17.70 | 17.68 (0.01) | 17.70 (0.02) | |||||
| g magnitude | 17.39 (0.005) | 17.40 | 17.39 (0.005) | 17.40 (0.01) | |||||
| r magnitude | 17.18 (0.005) | 17.22 | 17.21 (0.005) | 17.22 (0.02) | |||||
| i magnitude | 16.38 (0.005) | 16.42 | 16.41 (0.005) | 16.42 (0.02) | |||||
| z magnitude | 15.76 (0.007) | 15.80 | 15.78 (0.007) | 15.80 (0.02) | |||||
| G magnitude | 16.77 (0.007) | 16.78 | 16.77 (0.003) | ||||||
| BP magnitude | 17.35 (0.007) | 17.33 | |||||||
| RP magnitude | 15.93 (0.004) | 15.95 | |||||||
| Pan g magnitude | 17.37 (0.007) | ||||||||
| Pan r magnitude | 17.21 (0.002) | ||||||||
| Pan i magnitude | 16.41 (0.002) | ||||||||
| Pan z magnitude | 15.89 (0.004) | ||||||||
| Pan y magnitude | 15.64 (0.008) | ||||||||
| E(B-V) | 0.018 | ||||||||
* 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.