All names: WD 0750+379, SDSS J075344.05+374818.1, Gaia EDR3 919199524776694400, SDSS J075344.05+374818.3, [HHD2009] SDSS J0753+3748, WIRED J075344.05+374818.3, WISEA J075344.04+374817.8, WISE J075344.04+374817.9, SDSS J075344.05+374818.2
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | 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 44.05 (0.5) | 07 53 44.06 | 07 53 44.05 | 07 53 44.06 | 07 53 44.06 | 07 53 43.61 | 07 53 44.05 | |||
| Declination | 37 48 18.41 (0.4) | 37 48 18.24 | 37 48 18.29 | 37 48 18.24 | 37 48 18.36 | 37 48 15.48 | 37 48 18.32 | |||
| Spectral type | DB+M | DB+M | WD:+M | WD_DM: | WD:M | |||||
| Effective temperature | [K] | 15493.0 (71) | 10084.0 (12) | 10084.0 (14) | ||||||
| log(g) | [cgs] | 8.99 (0.02) | 7.89 (0.5) | 7.90 (0.6) | ||||||
| Mass | [M☉] | |||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 2.56 (0.6) | ||||||||
| Distance | [pc] | 391.12 (96) | 1382.00 (497) | |||||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -4.375438357 (0.6) | -6.0 (4) | -4.6 | ||||||
| Proper motion (declination) | [mas/yr] | -2.357752955 (0.4) | -9.0 (4) | -13.8 | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | WDMS | ||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 19.34 (0.02) | 19.37 | 19.34 (0.02) | 19.37 (0.03) | 19.35 | 19.36 (0.03) | ||||
| g magnitude | 19.44 (0.01) | 19.49 | 19.44 (0.01) | 19.49 (0.02) | 19.49 | 19.49 (0.02) | ||||
| r magnitude | 19.45 (0.01) | 19.58 | 19.45 (0.01) | 19.58 (0.02) | 19.58 | 19.58 (0.02) | ||||
| i magnitude | 18.94 (0.01) | 19.02 | 18.94 (0.01) | 19.02 (0.02) | 19.02 | 19.04 (0.02) | ||||
| z magnitude | 18.58 (0.04) | 18.66 | 18.58 (0.04) | 18.66 (0.04) | 18.65 | 18.67 (0.04) | ||||
| G magnitude | 19.81 (0.05) | |||||||||
| BP magnitude | 19.63 (0.05) | |||||||||
| RP magnitude | 18.67 (0.06) | |||||||||
| Pan g magnitude | 19.56 (0.01) | |||||||||
| Pan r magnitude | 19.63 (0.02) | |||||||||
| Pan i magnitude | 19.13 (0.01) | |||||||||
| Pan z magnitude | 18.73 (0.02) | |||||||||
| Pan y magnitude | 18.48 (0.05) | |||||||||
| E(B-V) | 0.032 | |||||||||
* 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.