All names: Gaia DR3 2052545152566406784, Gaia DR2 2052545152566406784, SDSS J192450.76+374515.0, SDSS J192450.76+374515.1, Gaia EDR3 2052545152566406784
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|
| Right ascension | 19 24 50.77 (0.6) | 19 24 50.77 (0.9) | 19 24 50.76 (0.6) | 19 24 50.76 | ||
| Declination | 37 45 15.04 (0.7) | 37 45 15.04 (1) | 37 45 15.15 (0.7) | 37 45 15.05 | ||
| Spectral type | DA | DA | ||||
| Effective temperature | [K] | 10758.0 (168) | ||||
| log(g) | [cgs] | 7.78 (0.2) | ||||
| Mass | [M☉] | 0.495 (0.08) | ||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | 2.44 (0.8) | 2.20 (1) | 2.44 (0.8) | ||
| Distance | [pc] | 409.60 (141) | 455.29 (282) | 409.60 (141) | ||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | 6.588336998 (0.9) | 5.656 (2) | 6.588 (0.9) | ||
| Proper motion (declination) | [mas/yr] | -7.361618366 (1) | -7.182 (2) | -7.362 (1) | ||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | ||||||
| V magnitude | ||||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | ||||||
| H magnitude | ||||||
| K magnitude | ||||||
| u magnitude | 21.03 (0.1) | 21.03 (0.1) | ||||
| g magnitude | 20.65 (0.03) | 20.65 (0.03) | ||||
| r magnitude | 20.74 (0.04) | 20.74 (0.04) | ||||
| i magnitude | 20.73 (0.07) | 20.73 (0.07) | ||||
| z magnitude | 23.22 (1) | |||||
| G magnitude | 20.67 (0.08) | 20.73 | 20.67 (0.009) | |||
| BP magnitude | 20.71 (0.08) | 20.63 | ||||
| RP magnitude | 20.54 (0.2) | 20.54 | ||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.030 | |||||
* 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.