All names: WD 0752+492, Gaia DR3 933997710041265664, SDSS J075552.40+490627.9, Gaia DR2 933997710041265664, J0755+4906, Gaia EDR3 933997710041265664, USNO-B1.0 1391-00191197, EQ J0755+4906, GALEX J075552.6+490628
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Stilism | Gianninas et al. 2014 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|
| Right ascension | 07 55 52.40 (0.9) | 07 55 52.41 (0.9) | 07 55 52.68 | ||||
| Declination | 49 06 27.92 (0.6) | 49 06 27.94 (0.6) | 49 06 25.56 | ||||
| Spectral type | DA | DA | DA3.8 | ||||
| Effective temperature | [K] | 13590.0 (280) | |||||
| log(g) | [cgs] | 6.13 (0.06) | |||||
| Mass | [M☉] | 0.176 | |||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | 0.8030 (0.1) | |||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| log(C/H) | |||||||
| log(N/H) | |||||||
| log(O/H) | |||||||
| log(Na/H) | |||||||
| log(Mg/H) | |||||||
| log(Al/H) | |||||||
| log(Si/H) | |||||||
| log(P/H) | |||||||
| log(S/H) | |||||||
| log(Sc/H) | |||||||
| log(Ti/H) | |||||||
| log(Cr/H) | |||||||
| log(Mn/H) | |||||||
| log(Fe/H) | |||||||
| log(Ni/H) | |||||||
| Parallax | [mas] | -0.45 (0.8) | |||||
| Distance | [pc] | 2768.00 (417) | |||||
| Composition | H | ||||||
| Proper motion (right ascension) | [mas/yr] | -4.081568434 (1) | -4.082 (1) | ||||
| Proper motion (declination) | [mas/yr] | -1.701709396 (0.6) | -1.702 (0.6) | ||||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | WDMS | yes | |||||
| B magnitude | 20.80 | ||||||
| V magnitude | |||||||
| R magnitude | |||||||
| I magnitude | |||||||
| J magnitude | |||||||
| H magnitude | |||||||
| K magnitude | |||||||
| u magnitude | 21.07 (0.09) | 20.85 | |||||
| g magnitude | 20.25 (0.02) | 20.09 | |||||
| r magnitude | 20.52 (0.03) | ||||||
| i magnitude | 20.73 (0.06) | ||||||
| z magnitude | 21.11 (0.3) | ||||||
| G magnitude | 20.35 (0.1) | 20.35 (0.009) | |||||
| BP magnitude | 20.32 (0.1) | ||||||
| RP magnitude | 20.09 (0.1) | ||||||
| Pan g magnitude | 20.25 (0.01) | ||||||
| Pan r magnitude | 20.44 (0.02) | ||||||
| Pan i magnitude | 20.73 (0.02) | ||||||
| Pan z magnitude | 20.67 (0.2) | ||||||
| Pan y magnitude | 20.08 (0.2) | ||||||
| E(B-V) | 0.047 | ||||||
* 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.