All names: Gaia DR3 874177268103213824, [HHD2009] SDSS J0753+2638, SDSS J075333.78+263803.4, SDSS J075333.77+263803.4, Gaia DR2 874177268103213824, Gaia EDR3 874177268103213824, WIRED J075333.77+263803.4, SDSS J075333.70+263803.5, WD 0750+267, SDSS J075333.78+263803.5
| 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 53 33.78 (0.5) | 07 53 33.78 | 07 53 33.78 (0.8) | 07 53 33.77 | 07 53 33.78 (0.5) | 07 53 33.78 | 07 53 33.41 | 07 53 33.78 | |||
| Declination | 26 38 03.45 (0.3) | 26 38 03.53 | 26 38 03.45 (0.4) | 26 38 03.41 | 26 38 03.57 (0.3) | 26 38 03.48 | 26 37 57.36 | 26 38 03.45 | |||
| Spectral type | DA+M | DA+dM | DA+M | DA d | DA+M | ||||||
| Effective temperature | [K] | 22550.0 (3884) | 6309.0 (14) | 6308.0 (13) | |||||||
| log(g) | [cgs] | 7.71 (0.6) | 7.10 (0.4) | 7.05 (0.4) | |||||||
| Mass | [M☉] | 0.48 (0.4) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | -0.38 (0.6) | 0.71 (1) | 0.71 (1) | |||||||
| Distance | [pc] | 1407.02 (2179) | 227.00 (191) | 1407.06 (2179) | |||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 1.605694788 (0.5) | 3.185786559 (2) | 1.606 (0.5) | -5.2 | ||||||
| Proper motion (declination) | [mas/yr] | -7.46003792 (0.3) | -8.076492958 (0.8) | -7.46 (0.3) | -25.3 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | WDMS | WDMS | ||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 17.70 (0.02) | ||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 20.46 (0.05) | 20.49 | 20.45 (0.06) | 20.49 (0.06) | 20.49 | 20.46 (0.06) | |||||
| g magnitude | 20.39 (0.02) | 20.43 | 20.41 (0.02) | 20.43 (0.03) | 20.43 | 20.41 (0.03) | |||||
| r magnitude | 20.37 (0.03) | 20.38 | 20.38 (0.03) | 20.38 (0.03) | 20.38 | 20.38 (0.03) | |||||
| i magnitude | 19.63 (0.02) | 19.65 | 19.65 (0.02) | 19.65 (0.02) | 19.65 | 19.64 (0.02) | |||||
| z magnitude | 19.00 (0.04) | 18.99 | 19.00 (0.04) | 18.99 (0.04) | 18.99 | 18.99 (0.04) | |||||
| G magnitude | 19.99 (0.09) | 20.03 | 19.99 (0.006) | ||||||||
| BP magnitude | 20.47 (0.09) | 20.40 | |||||||||
| RP magnitude | 19.30 (0.07) | 19.23 | |||||||||
| Pan g magnitude | 20.42 (0.02) | ||||||||||
| Pan r magnitude | 20.42 (0.01) | ||||||||||
| Pan i magnitude | 19.69 (0.01) | ||||||||||
| Pan z magnitude | 19.17 (0.01) | ||||||||||
| Pan y magnitude | 18.89 (0.03) | ||||||||||
| E(B-V) | 0.036 | ||||||||||
* 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.