All names: Gaia DR2 337191594578690560, Cl* NGC 1039 A 16073, WD 0238+427.2, Gaia EDR3 337191594578690560, LAWDS NGC 1039 26, USNO-B1.0 1329-00062745, Gaia DR3 337191594578690560
| Parameter | Unit | Gaia EDR3 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|
| Right ascension | 02 42 00.23 (1) | 02 42 00.22 (1) | 02 41 59.71 | |
| Declination | 42 59 48.65 (0.8) | 42 59 48.75 (0.8) | 42 59 46.68 | |
| Spectral type | DB | DB | ||
| 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] | -0.97 (1) | ||
| Distance | [pc] | |||
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 9.012376967 (1) | 9.012 (1) | |
| Proper motion (declination) | [mas/yr] | -5.999469537 (1) | -5.999 (1) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 20.36 (0.03) | |||
| V magnitude | 20.36 (0.02) | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | ||||
| H magnitude | ||||
| K magnitude | ||||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 20.36 (0.07) | 20.36 (0.01) | ||
| BP magnitude | 20.22 (0.07) | |||
| RP magnitude | 20.29 (0.1) | |||
| 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.