All names: GALEX J153026.2+874849, Gaia DR2 1728880879608190592, 2MASS J15302859+8748481, WD 1552+879, Gaia DR3 1728880879608190592, TIC 160119816, FBS 1552+879, Gaia EDR3 1728880879608190592, FBS B 1090
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|
| Right ascension | 15 30 27.13 (0.03) | 15 30 27.19 (0.04) | 15 30 27.13 | 15 30 28.82 (0.03) | 15 30 26.95 | ||
| Declination | 87 48 48.87 (0.03) | 87 48 48.86 (0.04) | 87 48 48.87 | 87 48 48.47 (0.03) | 87 48 42.48 | ||
| Spectral type | DO | DA | DA: | ||||
| Effective temperature | [K] | 102519.0 (6482) | |||||
| log(g) | [cgs] | 7.83 (0.04) | |||||
| Mass | [M☉] | 0.667 (0.02) | |||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | 3.08 (0.04) | 3.08 (0.04) | 3.08 | 3.08 (0.04) | ||
| Distance | [pc] | 324.50 (4) | 324.92 (4) | 324.50 | 324.51 (4) | ||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | -60.38482457 (0.04) | -60.392 (0.08) | -60.385 (0.04) | |||
| Proper motion (declination) | [mas/yr] | 24.94281714 (0.05) | 24.795 (0.09) | 24.943 (0.05) | |||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | |||||||
| V magnitude | |||||||
| R magnitude | |||||||
| I magnitude | |||||||
| J magnitude | 16.45 (0.2) | ||||||
| H magnitude | |||||||
| K magnitude | |||||||
| u magnitude | |||||||
| g magnitude | |||||||
| r magnitude | |||||||
| i magnitude | |||||||
| z magnitude | |||||||
| G magnitude | 15.60 (0.005) | 15.61 | 15.60 | 15.60 (0.003) | |||
| BP magnitude | 15.42 (0.005) | 15.35 | |||||
| RP magnitude | 15.94 (0.005) | 15.94 | |||||
| Pan g magnitude | |||||||
| Pan r magnitude | |||||||
| Pan i magnitude | |||||||
| Pan z magnitude | |||||||
| Pan y magnitude | |||||||
| E(B-V) | 0.055 | ||||||
* 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.