All names: [HHD2009] SDSS J0752+4332, Gaia DR2 925717906447771648, Gaia EDR3 925717906447771648, TIC 29105539, SDSS J075223.15+433212.2, Gaia DR3 925717906447771648, SDSS J075223.14+433212.2, SDSS J075223.14+433212.1, WD 0748+436, WIRED J075223.15+433212.2, 2MASS J07522315+4332122
| 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 | 07 52 23.14 (0.1) | 07 52 23.14 | 07 52 23.14 (0.2) | 07 52 23.15 | 07 52 23.15 (0.1) | 07 52 23.15 | 07 52 23.09 | 07 52 23.15 | |||
| Declination | 43 32 12.29 (0.1) | 43 32 12.23 | 43 32 12.29 (0.2) | 43 32 12.19 | 43 32 12.20 (0.1) | 43 32 12.15 | 43 32 08.88 | 43 32 12.23 | |||
| Spectral type | DA+M | DA+dMe | DA+M | DA+ME | DA+M | ||||||
| Effective temperature | [K] | 24726.0 (1190) | 6300.0 (1) | 6300.0 (3) | |||||||
| log(g) | [cgs] | 7.84 (0.2) | 7.48 (0.2) | 5.01 (0.01) | |||||||
| 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] | 1.28 (0.2) | 1.10 (0.2) | 1.28 (0.2) | |||||||
| Distance | [pc] | 779.67 (96) | 908.49 (173) | 585.00 (79) | 779.67 (96) | ||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -7.348801826 (0.2) | -7.800262447 (0.3) | -7.349 (0.2) | -9.1 | ||||||
| Proper motion (declination) | [mas/yr] | 5.350957066 (0.1) | 5.228204244 (0.3) | 5.351 (0.1) | 6.2 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | WDMS | yes | WDMS | |||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 15.89 (0.1) | ||||||||||
| H magnitude | 15.66 (0.2) | ||||||||||
| K magnitude | 15.81 (0.1) | ||||||||||
| u magnitude | 19.47 (0.03) | 19.49 | 19.50 (0.03) | 19.49 (0.03) | 19.49 | 19.47 (0.03) | |||||
| g magnitude | 19.11 (0.01) | 19.14 | 19.11 (0.01) | 19.14 (0.01) | 19.14 | 19.12 (0.01) | |||||
| r magnitude | 18.54 (0.009) | 18.57 | 18.55 (0.009) | 18.57 (0.01) | 18.56 | 18.55 (0.01) | |||||
| i magnitude | 17.84 (0.007) | 17.86 | 17.85 (0.008) | 17.86 (0.01) | 17.86 | 17.84 (0.01) | |||||
| z magnitude | 17.36 (0.01) | 17.40 | 17.39 (0.02) | 17.40 (0.02) | 17.38 | 17.36 (0.02) | |||||
| G magnitude | 18.34 (0.03) | 18.36 | 18.34 (0.003) | ||||||||
| BP magnitude | 18.98 (0.03) | 18.95 | |||||||||
| RP magnitude | 17.48 (0.01) | 17.50 | |||||||||
| Pan g magnitude | 19.11 (0.007) | ||||||||||
| Pan r magnitude | 18.62 (0.005) | ||||||||||
| Pan i magnitude | 17.89 (0.003) | ||||||||||
| Pan z magnitude | 17.49 (0.008) | ||||||||||
| Pan y magnitude | 17.29 (0.006) | ||||||||||
| E(B-V) | 0.035 | ||||||||||
* 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.