All names: WISEA J040401.78+271545.4, ZTF J040401.79+271545.2, LAMOST J040401.78+271545.4, Gaia DR3 163477484762516992, LAMOST J040401.78+271545.3, ASASSN-V J040401.81+271545.1, TIC 407932867, IRAS 04010+2707, WISE J040401.78+271545.4, AKARI-IRC-V1 J0404017+271545, UCAC4 587-010652, 2MASS J04040178+2715454, Gaia DR2 163477484762516992, [WWV2004] J0404019+271544
| Parameter | Unit | Guo et al. 2015 | Simbad |
|---|---|---|---|
| Right ascension | 04 04 01.79 (0.02) | ||
| Declination | 27 15 45.36 (0.01) | ||
| Spectral type | DA+M | C-Ne | |
| 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] | 0.26 (0.02) | |
| Distance | [pc] | 3918.50 (352) | |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | -0.562 (0.03) | |
| Proper motion (declination) | [mas/yr] | -1.93 (0.02) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | |||
| V magnitude | |||
| R magnitude | 14.28 (0.1) | ||
| I magnitude | |||
| J magnitude | 9.45 (0.02) | ||
| H magnitude | 7.93 (0.04) | ||
| K magnitude | 6.90 (0.02) | ||
| u magnitude | |||
| g magnitude | 17.36 | ||
| r magnitude | 13.91 | ||
| i magnitude | |||
| z magnitude | |||
| G magnitude | 13.46 (0.01) | ||
| 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.