SDSS J082811.52+295532.5
All names: GALEX J082811.3+295531, WD 0825+300, SDSS J082811.52+295532.4, SDSS J082811.52+295532.5, Gaia EDR3 707990243093465344, Gaia DR3 707990243093465344, Gaia DR2 707990243093465344
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 28 11.55 (0.5) | 08 28 11.52 | 08 28 11.54 (0.6) | 08 28 11.52 (0.5) | 08 28 11.52 | 08 28 11.69 | 08 28 11.52 | |||||
| Declination | 29 55 32.36 (0.4) | 29 55 32.46 | 29 55 32.36 (0.5) | 29 55 32.47 (0.4) | 29 55 32.51 | 29 55 25.68 | 29 55 32.49 | |||||
| Spectral type | DA | DA | DA_auto | DA | DA | DA | ||||||
| Effective temperature | [K] | 9095.0 | 9705.0 (193) | 9602.0 (209) | ||||||||
| log(g) | [cgs] | 6.89 | 8.65 (0.2) | 8.53 (0.3) | ||||||||
| Mass | [M☉] | 0.192 | 0.924 (0.2) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | |||||||||||
| 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] | 2.66 (0.7) | 1.58 (1) | 2.66 (0.7) | ||||||||
| Distance | [pc] | 376.31 (96) | 631.82 (440) | 376.31 (96) | ||||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 21.21731809 (0.7) | 19.54591134 (1) | 21.217 (0.7) | 20.1 | |||||||
| Proper motion (declination) | [mas/yr] | -7.098526135 (0.5) | -7.171323568 (0.9) | -7.099 (0.5) | -11.0 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 20.53 (0.07) | 20.53 (0.07) | 20.63 (0.07) | 20.63 | 20.66 (0.07) | |||||||
| g magnitude | 20.09 (0.02) | 20.09 (0.02) | 20.20 (0.03) | 20.20 | 20.22 (0.03) | |||||||
| r magnitude | 20.17 (0.03) | 20.17 (0.03) | 20.36 (0.04) | 20.35 | 20.36 (0.04) | |||||||
| i magnitude | 20.22 (0.04) | 20.22 (0.04) | 20.42 (0.04) | 20.42 | 20.43 (0.04) | |||||||
| z magnitude | 20.30 (0.2) | 20.30 (0.2) | 20.49 (0.2) | 20.49 | 20.50 (0.2) | |||||||
| G magnitude | 20.31 (0.09) | 20.35 | 20.31 (0.007) | |||||||||
| BP magnitude | 20.34 (0.09) | 20.35 | ||||||||||
| RP magnitude | 20.23 (0.1) | 19.98 | ||||||||||
| Pan g magnitude | 20.21 (0.02) | |||||||||||
| Pan r magnitude | 20.29 (0.03) | |||||||||||
| Pan i magnitude | 20.39 (0.05) | |||||||||||
| Pan z magnitude | 20.54 (0.05) | |||||||||||
| Pan y magnitude | ||||||||||||
| E(B-V) | 0.021 | |||||||||||
* 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
