All names: WD 0438-051, TIC 298907477, Gaia DR3 3200356436362180992, WISEA J044046.92-050413.1, SDSS J044046.92-050413.0, WISE J044046.91-050413.1, LAMOST J044046.91-050413.0, Gaia EDR3 3200356436362180992, UCAC4 425-006894, SDSS J044046.91-050413.0, WIRED J044046.91-050413.0, [SGR2010] J0440-0504, 2MASS J04404691-0504128
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 04 40 46.92 (3) | 04 40 46.92 | 04 40 46.92 | 04 40 46.92 (3) | 04 40 47.11 | 04 40 46.92 | |||
| Declination | -05 04 13.08 (2) | -05 04 13.09 | -05 04 13.01 | -05 04 13.08 (2) | -05 04 09.48 | -05 04 13.00 | |||
| Spectral type | DA+M | DA+M4 | DA2.9+M4 | DA+M | |||||
| Effective temperature | [K] | 18120.0 (618) | 7110.0 (68) | ||||||
| log(g) | [cgs] | 7.79 (0.1) | 5.05 (0.07) | ||||||
| Mass | [M☉] | 0.51 (0.07) | |||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | ||||||||
| Distance | [pc] | 649.00 (54) | |||||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -16.9 (8) | |||||||
| Proper motion (declination) | [mas/yr] | -8.6 (8) | |||||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | WDMS | yes | WDMS | ||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 15.94 (0.08) | ||||||||
| H magnitude | 15.55 (0.1) | ||||||||
| K magnitude | 14.95 (0.1) | ||||||||
| u magnitude | 19.70 (0.04) | 19.70 | 19.70 (0.04) | 19.70 | 19.70 (0.04) | ||||
| g magnitude | 19.31 (0.01) | 19.35 | 19.31 (0.01) | 19.32 | 19.35 (0.01) | ||||
| r magnitude | 19.13 (0.01) | 19.14 | 19.13 (0.01) | 19.13 | 19.14 (0.02) | ||||
| i magnitude | 18.26 (0.01) | 18.27 | 18.25 (0.01) | 18.25 | 18.27 (0.02) | ||||
| z magnitude | 17.54 (0.02) | 17.55 | 17.54 (0.02) | 17.54 | 17.55 (0.02) | ||||
| G magnitude | 19.12 (0.03) | 19.12 (0.01) | |||||||
| BP magnitude | 19.34 (0.03) | ||||||||
| RP magnitude | 17.78 (0.02) | ||||||||
| Pan g magnitude | 19.30 (0.01) | ||||||||
| Pan r magnitude | 19.17 (0.008) | ||||||||
| Pan i magnitude | 18.29 (0.007) | ||||||||
| Pan z magnitude | 17.70 (0.004) | ||||||||
| Pan y magnitude | 17.36 (0.008) | ||||||||
| E(B-V) | 0.034 | ||||||||
* 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.