All names: Gaia DR3 227766037015779200, 2MASS J04163923+4002330, Gaia DR2 227766037015779200, 1RXS J041638.8+400236, TIC 417887971, Lan 540
| Parameter | Unit | Vincent et al. 2024 | Simbad |
|---|---|---|---|
| Right ascension | 04 16 39.17 | 04 16 39.26 (0.06) | |
| Declination | 40 02 33.23 | 40 02 33.25 (0.04) | |
| Spectral type | DC: | DC | |
| Effective temperature | [K] | 9706.0 (141) | |
| log(g) | [cgs] | 7.33 (0.03) | |
| Mass | [M☉] | 0.278 (0.01) | |
| log(Luminosity) | [L☉] | ||
| Cooling age | [Gyr] | ||
| log(H/He) | |||
| log(C/He) | |||
| log(Ca/He) | |||
| log(Ca/H) | |||
| Parallax | [mas] | 9.83 | 9.83 (0.07) |
| Distance | [pc] | 101.73 | 101.73 (0.8) |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | -62.097 (0.07) | |
| Proper motion (declination) | [mas/yr] | -1.26 (0.05) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | 17.00 | ||
| V magnitude | |||
| R magnitude | |||
| I magnitude | |||
| J magnitude | 15.93 (0.08) | ||
| H magnitude | 15.52 (0.1) | ||
| K magnitude | 14.91 (0.1) | ||
| u magnitude | |||
| g magnitude | |||
| r magnitude | |||
| i magnitude | |||
| z magnitude | |||
| G magnitude | 16.59 | 16.59 (0.004) | |
| 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.