SDSS J083822.61+455418.7
All names: SDSS J083822.61+455418.7, Gaia DR2 918313692066500864, GALEX J083822.6+455418, Gaia EDR3 918313692066500864, Gaia DR3 918313692066500864, WD 0834+460, SDSS J083822.62+455418.6
| 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 38 22.62 (0.5) | 08 38 22.62 | 08 38 22.62 (0.8) | 08 38 22.61 (0.5) | 08 38 22.62 | 08 38 22.37 | 08 38 22.62 | |||||
| Declination | 45 54 18.67 (0.4) | 45 54 18.74 | 45 54 18.67 (0.4) | 45 54 18.71 (0.4) | 45 54 18.71 | 45 54 15.12 | 45 54 18.64 | |||||
| Spectral type | DA | DA | DA_auto | DA | DA | DA | ||||||
| Effective temperature | [K] | 18960.0 | 18701.0 (729) | 18660.0 (725) | ||||||||
| log(g) | [cgs] | 8.31 | 8.05 (0.2) | 8.07 (0.2) | ||||||||
| Mass | [M☉] | 0.813 | 0.657 (0.09) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.1640 | ||||||||||
| 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] | 1.94 (0.7) | 1.76 (1) | 1.94 (0.7) | ||||||||
| Distance | [pc] | 516.15 (198) | 568.41 (357) | 516.16 (198) | ||||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 5.565550223 (0.7) | 4.972783096 (2) | 5.566 (0.7) | 10.0 | |||||||
| Proper motion (declination) | [mas/yr] | -2.638344541 (0.6) | -1.761712677 (0.9) | -2.638 (0.6) | 2.0 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 20.26 (0.04) | 20.30 (0.06) | 20.28 (0.06) | 20.28 | 20.32 (0.06) | |||||||
| g magnitude | 20.13 (0.02) | 20.08 (0.02) | 20.09 (0.04) | 20.09 | 20.11 (0.03) | |||||||
| r magnitude | 20.35 (0.03) | 20.37 (0.03) | 20.39 (0.03) | 20.39 | 20.41 (0.03) | |||||||
| i magnitude | 20.71 (0.05) | 20.61 (0.05) | 20.62 (0.05) | 20.62 | 20.63 (0.05) | |||||||
| z magnitude | 20.95 (0.2) | 21.54 (0.4) | 21.57 (0.4) | 21.57 | 21.57 (0.4) | |||||||
| G magnitude | 20.27 (0.07) | 20.33 | 20.27 (0.007) | |||||||||
| BP magnitude | 20.27 (0.07) | 20.11 | ||||||||||
| RP magnitude | 20.42 (0.1) | 20.37 | ||||||||||
| Pan g magnitude | 20.17 (0.04) | |||||||||||
| Pan r magnitude | 20.36 (0.02) | |||||||||||
| Pan i magnitude | 20.64 (0.03) | |||||||||||
| Pan z magnitude | 20.91 (0.04) | |||||||||||
| Pan y magnitude | ||||||||||||
| E(B-V) | 0.026 | |||||||||||
* 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
