All names: HE 0236-2656, WD 0236-269, Gaia EDR3 5070533180139377792, LEHPM 2660, LP 886-26, NLTT 8591, Gaia DR3 5070533180139377792, TIC 65346941, 2MASS J02384126-2643201, USNO-B1.0 0632-00045858, Gaia DR2 5070533180139377792, WDJ023841.25-264319.88, PHL 4227
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | O'Brien et al. 2024 | Gaia DR2 | Stilism | Ferrario et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 02 38 41.26 (0.04) | 02 38 41.26 (0.07) | 02 38 41.26 | 02 38 41.25 (0.04) | 02 38 41.26 | 02 38 41.30 | |||||
| Declination | -26 43 16.76 (0.06) | -26 43 16.86 (0.1) | -26 43 16.76 | -26 43 19.88 (0.06) | -26 43 16.86 | -26 43 23.16 | |||||
| Spectral type | DXP | DB | DC | D | ?H | ||||||
| Effective temperature | [K] | 7175.0 (81) | 6500.0 (500) | 7041.0 (62) | |||||||
| log(g) | [cgs] | 8.24 (0.03) | 8.23 (0.01) | ||||||||
| Mass | [M☉] | 0.726 (0.02) | 0.72 (0.01) | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 28.54 (0.07) | 28.54 (0.07) | 28.55 (0.1) | 28.54 | 28.54 (0.07) | 28.55 (0.1) | ||||
| Distance | [pc] | 35.04 (0.09) | 35.04 (0.09) | 35.03 (0.2) | 35.04 | 35.04 (0.09) | 35.03 (0.2) | ||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 8.886947475 (0.05) | 8.970889262 (0.1) | 8.887 (0.05) | 8.970889262 | ||||||
| Proper motion (declination) | [mas/yr] | 195.1678577 (0.06) | 195.2052872 (0.2) | 195.168 (0.06) | 195.2052872 | ||||||
| Variability | |||||||||||
| Magnetic | yes | yes | |||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 17.10 | ||||||||||
| V magnitude | 16.60 | ||||||||||
| R magnitude | 16.10 | ||||||||||
| I magnitude | |||||||||||
| J magnitude | 16.08 (0.08) | ||||||||||
| H magnitude | 15.97 (0.2) | ||||||||||
| K magnitude | |||||||||||
| u magnitude | |||||||||||
| g magnitude | |||||||||||
| r magnitude | |||||||||||
| i magnitude | |||||||||||
| z magnitude | |||||||||||
| G magnitude | 16.48 (0.004) | 16.49 | 16.48 | 16.48 (0.003) | 16.49 | ||||||
| BP magnitude | 16.63 (0.004) | 16.62 | 16.62 | ||||||||
| RP magnitude | 16.21 (0.004) | 16.19 | 16.19 | ||||||||
| Pan g magnitude | 16.63 (0.003) | ||||||||||
| Pan r magnitude | 16.53 (0.003) | ||||||||||
| Pan i magnitude | 16.53 (0.002) | ||||||||||
| Pan z magnitude | 16.64 (0.004) | ||||||||||
| Pan y magnitude | 16.72 (0.006) | ||||||||||
| E(B-V) | 0.000 | ||||||||||
* 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.