SDSS J081145.57+421928.7
All names: GALEX J081145.5+421928, Gaia DR3 921822680347979264, SDSS J081145.57+421928.7, Gaia DR2 921822680347979264, SDSS J081145.57+421928.8, Gaia EDR3 921822680347979264, WD 0808+424
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Tremblay et al. 2011 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 11 45.55 (0.2) | 08 11 45.58 | 08 11 45.55 (0.3) | 08 11 45.58 (0.2) | 08 11 45.58 | 08 11 45.19 | 08 11 45.57 | ||||||
| Declination | 42 19 28.42 (0.2) | 42 19 28.82 | 42 19 28.44 (0.2) | 42 19 28.87 (0.2) | 42 19 28.79 | 42 19 25.32 | 42 19 28.82 | ||||||
| Spectral type | DA | DA | DA | DA_auto | DA | DA | DA | ||||||
| Effective temperature | [K] | 11387.0 | 12660.0 (420) | 12953.0 (333) | 12946.0 (339) | ||||||||
| log(g) | [cgs] | 8.28 | 8.68 (0.09) | 8.56 (0.08) | 8.69 (0.08) | ||||||||
| Mass | [M☉] | 0.779 | 1.03 (0.05) | 1.016 (0.04) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.6537 | 1.1749 | ||||||||||
| log(H/He) | |||||||||||||
| log(C/He) | |||||||||||||
| log(Ca/He) | |||||||||||||
| log(Ca/H) | |||||||||||||
| log(C/H) | |||||||||||||
| log(N/H) | |||||||||||||
| log(O/H) | |||||||||||||
| log(Na/H) | |||||||||||||
| log(Mg/H) | |||||||||||||
| log(Al/H) | |||||||||||||
| log(Si/H) | |||||||||||||
| log(P/H) | |||||||||||||
| log(S/H) | |||||||||||||
| log(Sc/H) | |||||||||||||
| log(Ti/H) | |||||||||||||
| log(Cr/H) | |||||||||||||
| log(Mn/H) | |||||||||||||
| log(Fe/H) | |||||||||||||
| log(Ni/H) | |||||||||||||
| Parallax | [mas] | 3.73 (0.3) | 3.74 (0.4) | 3.73 (0.3) | |||||||||
| Distance | [pc] | 268.16 (24) | 267.54 (31) | 268.16 (24) | |||||||||
| Composition | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -21.32113505 (0.3) | -21.90978064 (0.6) | -21.321 (0.3) | -17.7 | ||||||||
| Proper motion (declination) | [mas/yr] | -27.91591308 (0.2) | -27.27842296 (0.4) | -27.916 (0.2) | -33.0 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 19.64 (0.03) | 19.64 (0.03) | 19.66 (0.03) | 19.66 | 19.68 (0.03) | ||||||||
| g magnitude | 19.27 (0.01) | 19.27 (0.01) | 19.30 (0.02) | 19.29 | 19.30 (0.02) | ||||||||
| r magnitude | 19.49 (0.01) | 19.49 (0.01) | 19.52 (0.02) | 19.52 | 19.52 (0.02) | ||||||||
| i magnitude | 19.63 (0.02) | 19.63 (0.02) | 19.67 (0.03) | 19.66 | 19.66 (0.02) | ||||||||
| z magnitude | 19.77 (0.09) | 19.77 (0.09) | 19.81 (0.1) | 19.80 | 19.81 (0.1) | ||||||||
| G magnitude | 19.39 (0.03) | 19.44 | 19.39 (0.004) | ||||||||||
| BP magnitude | 19.42 (0.03) | 19.42 | |||||||||||
| RP magnitude | 19.37 (0.06) | 19.34 | |||||||||||
| Pan g magnitude | 19.31 (0.01) | ||||||||||||
| Pan r magnitude | 19.47 (0.006) | ||||||||||||
| Pan i magnitude | 19.67 (0.008) | ||||||||||||
| Pan z magnitude | 19.87 (0.04) | ||||||||||||
| Pan y magnitude | 19.68 (0.1) | ||||||||||||
| E(B-V) | 0.020 | ||||||||||||
* Constant surface field
Special notes:
Spectra
Controls
Normalize at:
Normalize by mean flux
Range:
x:
to
y:
to
Spectra available:
Spectra without link are available upon request
Absorption lines
Photometric filters
BVRI
ugriz
Photometric fit
