All names: SDSS J142101.53+510339.0, GALEX J142101.4+510339, USNO-B1.0 1410-00243422, WD 1419+512, Gaia DR2 1604762067126907520, SBSS 1419+512, Gaia DR3 1604762067126907520, SDSS J142101.54+510339.0, Gaia EDR3 1604762067126907520, SDSS J142101.56+510338.8, SDSS J142101.55+510338.8, CSO 637
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 14 21 01.56 (0.08) | 14 21 01.56 (0.1) | 14 21 01.56 | 14 21 01.54 (0.08) | 14 21 02.11 | |||
| Declination | 51 03 38.84 (0.08) | 51 03 38.84 (0.09) | 51 03 38.84 | 51 03 39.07 (0.08) | 51 03 37.80 | |||
| Spectral type | DA | DA | DA | DA | ||||
| Effective temperature | [K] | 16865.0 (669) | ||||||
| log(g) | [cgs] | 7.90 (0.04) | ||||||
| Mass | [M☉] | 0.559 (0.03) | ||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 3.91 (0.09) | 4.13 (0.1) | 3.91 | 3.91 (0.09) | |||
| Distance | [pc] | 255.50 (6) | 242.31 (7) | 255.50 | 255.51 (6) | |||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | 10.4735861 (0.09) | 10.38516104 (0.2) | 10.474 (0.09) | ||||
| Proper motion (declination) | [mas/yr] | -14.76476629 (0.09) | -14.96679003 (0.2) | -14.765 (0.09) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | 17.70 | |||||||
| V magnitude | ||||||||
| R magnitude | 18.10 | |||||||
| I magnitude | ||||||||
| J magnitude | ||||||||
| H magnitude | ||||||||
| K magnitude | ||||||||
| u magnitude | 18.11 (0.01) | |||||||
| g magnitude | 17.82 (0.005) | |||||||
| r magnitude | 18.15 (0.007) | |||||||
| i magnitude | 18.41 (0.01) | |||||||
| z magnitude | 18.62 (0.04) | |||||||
| G magnitude | 18.00 (0.01) | 18.04 | 18.00 | 18.00 (0.003) | ||||
| BP magnitude | 17.96 (0.01) | 17.94 | ||||||
| RP magnitude | 18.16 (0.02) | 18.14 | ||||||
| Pan g magnitude | ||||||||
| Pan r magnitude | ||||||||
| Pan i magnitude | ||||||||
| Pan z magnitude | ||||||||
| Pan y magnitude | ||||||||
| E(B-V) | 0.018 | |||||||
* 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.