All names: USNO-B1.0 1356-00040017, WDJ014407.87+454030.16, 2MASS J01440786+4540305, Gaia EDR3 350434804114224384, WDJ01447.87+454030.15, Gaia DR3 350434804114224384, LSPM J0144+4540, Gaia DR2 350434804114224384, LAMOST J014408.01+454029.0, TIC 327606162
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 01 44 08.08 (0.06) | 01 44 08.08 | 01 44 08.08 | 01 44 07.87 (0.06) | 01 44 08.08 | |||
| Declination | 45 40 28.42 (0.06) | 45 40 28.48 | 45 40 28.42 | 45 40 30.16 (0.06) | 45 40 28.48 | |||
| Spectral type | DA | DA | ||||||
| Effective temperature | [K] | 9945.0 (115) | ||||||
| log(g) | [cgs] | 7.99 (0.02) | ||||||
| Mass | [M☉] | 0.595 (0.02) | ||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 10.58 (0.08) | 10.57 (0.2) | 10.58 | 10.58 (0.08) | 10.57 (0.2) | ||
| Distance | [pc] | 94.53 (0.7) | 94.61 (2) | 94.53 | 94.53 (0.7) | 94.61 (2) | ||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | 139.4436857 (0.08) | 139.2258733 (0.2) | 139.444 (0.08) | 139.2258733 | |||
| Proper motion (declination) | [mas/yr] | -108.5372546 (0.07) | -108.552415 (0.2) | -108.537 (0.07) | -108.552415 | |||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | 17.00 | |||||||
| V magnitude | ||||||||
| R magnitude | 17.10 | |||||||
| I magnitude | ||||||||
| J magnitude | 16.49 (0.1) | |||||||
| H magnitude | ||||||||
| K magnitude | ||||||||
| u magnitude | ||||||||
| g magnitude | ||||||||
| r magnitude | ||||||||
| i magnitude | ||||||||
| z magnitude | ||||||||
| G magnitude | 17.03 (0.004) | 17.05 | 17.03 | 17.03 (0.003) | 17.05 | |||
| BP magnitude | 17.10 (0.004) | 17.10 | 17.10 | |||||
| RP magnitude | 16.97 (0.006) | 16.97 | 16.97 | |||||
| Pan g magnitude | 17.05 (0.002) | |||||||
| Pan r magnitude | 17.12 (0.004) | |||||||
| Pan i magnitude | 17.27 (0.004) | |||||||
| Pan z magnitude | 17.42 (0.008) | |||||||
| Pan y magnitude | 17.54 (0.02) | |||||||
| E(B-V) | 0.005 | |||||||
* 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.