All names: PSO J070.1130+02.5501, 1RXS J044027.0+023300, CRTS J044027.1+023301, Gaia DR3 3279388782412362624, CRTS CSS090219 J044027+023301
| Parameter | Unit | Vincent et al. 2024 | Simbad |
|---|---|---|---|
| Right ascension | 04 40 27.14 | 04 40 27.14 (0.2) | |
| Declination | 02 33 00.46 | 02 33 00.51 (0.09) | |
| Spectral type | DQ: | DQ | |
| Effective temperature | [K] | ||
| log(g) | [cgs] | ||
| Mass | [M☉] | ||
| log(Luminosity) | [L☉] | ||
| Cooling age | [Gyr] | ||
| log(H/He) | |||
| log(C/He) | |||
| log(Ca/He) | |||
| log(Ca/H) | |||
| Parallax | [mas] | 1.96 | 1.96 (0.2) |
| Distance | [pc] | 509.03 | 509.04 (46) |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | 8.338 (0.2) | |
| Proper motion (declination) | [mas/yr] | -2.959 (0.2) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | |||
| V magnitude | |||
| R magnitude | |||
| I magnitude | |||
| J magnitude | |||
| H magnitude | |||
| K magnitude | |||
| u magnitude | |||
| g magnitude | 19.06 (0.04) | ||
| r magnitude | 18.54 (0.03) | ||
| i magnitude | 18.56 (0.07) | ||
| z magnitude | 18.58 (0.09) | ||
| G magnitude | 18.60 | 18.60 (0.02) | |
| BP magnitude | |||
| RP magnitude | |||
| Pan g magnitude | |||
| Pan r magnitude | |||
| Pan i magnitude | |||
| Pan z magnitude | |||
| Pan y magnitude | |||
| E(B-V) | |||
* 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.