All names: SDSS J072543.92+414519.4, WIRED J072543.88+414519.3, SDSS J072543.89+414519.2, Gaia EDR3 948790337618882048, WISEA J072543.88+414518.6, WDS J07257+4145AB, ** SKF 1699, WD 0722+418, 2MASS J07254388+4145187, SDSS J072543.89+414519.3, Gaia DR2 948790337618882048, SDSS J072543.88+414519.3, WISE J072543.88+414518.8, TIC 9992551
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 07 25 43.88 (0.3) | 07 25 43.89 | 07 25 43.88 (0.3) | 07 25 43.88 | 07 25 43.89 (420) | 07 25 43.51 | 07 25 43.89 | ||
| Declination | 41 45 19.35 (0.2) | 41 45 19.29 | 41 45 19.36 (0.3) | 41 45 19.30 | 41 45 18.71 (400) | 41 45 12.96 | 41 45 19.34 | ||
| Spectral type | DA+M | DA+M | DA d | DA+M | |||||
| Effective temperature | [K] | 18974.0 (740) | 8365.0 (92) | ||||||
| log(g) | [cgs] | 7.87 (0.1) | 7.70 (0.2) | ||||||
| Mass | [M☉] | 0.55 (0.08) | |||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 1.89 (0.3) | 1.89 (0.4) | ||||||
| Distance | [pc] | 528.83 (81) | 528.92 (101) | 1269.00 (179) | |||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -12.00129522 (0.4) | -12.36774274 (0.7) | ||||||
| Proper motion (declination) | [mas/yr] | -13.60294488 (0.3) | -14.06992689 (0.6) | ||||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | WDMS | WDMS | |||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 16.81 (0.2) | ||||||||
| H magnitude | 15.69 (0.2) | ||||||||
| K magnitude | 15.92 (0.3) | ||||||||
| u magnitude | 19.50 (0.03) | 19.55 | 19.49 (0.03) | 19.55 | 19.56 (0.03) | ||||
| g magnitude | 19.17 (0.01) | 19.27 | 19.16 (0.01) | 19.26 | 19.27 (0.02) | ||||
| r magnitude | 19.08 (0.01) | 19.34 | 19.08 (0.01) | 19.33 | 19.34 (0.02) | ||||
| i magnitude | 18.45 (0.01) | 18.70 | 18.45 (0.01) | 18.68 | 18.71 (0.02) | ||||
| z magnitude | 17.87 (0.02) | 17.99 | 17.89 (0.02) | 17.98 | 18.01 (0.03) | ||||
| G magnitude | 19.49 (0.06) | 19.52 | |||||||
| BP magnitude | 19.37 (0.06) | 19.22 | |||||||
| RP magnitude | 18.24 (0.03) | 18.19 | |||||||
| Pan g magnitude | |||||||||
| Pan r magnitude | |||||||||
| Pan i magnitude | |||||||||
| Pan z magnitude | |||||||||
| Pan y magnitude | |||||||||
| E(B-V) | 0.064 | ||||||||
* 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.