SDSS J091801.04+322250.2
All names: SDSS J091801.05+322250.2, GALEX J091801.0+322249, SDSS J091801.05+322250.3, Gaia DR3 701552327634833280, Gaia EDR3 701552327634833280, SDSS J091801.04+322250.3, WD 0914+325, Gaia DR2 701552327634833280, SDSS J091801.04+322250.2, J0918+3222
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2025 | Caron et al. 2023 | MWDD H | Gaia DR2 | Stilism | Tremblay et al. 2011 | Vincent et al. 2024 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 18 01.03 (0.1) | 09 18 01.04 | 09 18 01.03 (0.3) | 09 18 01.03 | 09 18 01.05 (0.1) | 09 18 01.05 | 09 18 00.58 | 09 18 01.05 | ||||||||
| Declination | 32 22 49.31 (0.1) | 32 22 50.25 | 32 22 49.35 (0.4) | 32 22 49.31 | 32 22 50.53 (0.1) | 32 22 50.29 | 32 22 46.20 | 32 22 50.29 | ||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA_auto | DA | DA | DA | ||||||
| Effective temperature | [K] | 7791.0 (56) | 7957.0 (50) | 7747.0 | 7850.0 (40) | 7702.0 (143) | 8173.0 (29) | 7710.0 (31) | ||||||||
| log(g) | [cgs] | 7.95 (0.02) | 7.93 (0.04) | 7.86 | 8.05 (0.06) | 7.91 (0.04) | 8.44 (0.05) | 7.83 (0.06) | ||||||||
| Mass | [M☉] | 0.567 (0.02) | 0.555 (0.03) | 0.516 | 0.63 (0.04) | 0.543 (0.03) | 0.506 (0.03) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||||||
| Cooling age | [Gyr] | 1.0300 | 0.9669 | 1.2303 | ||||||||||||
| 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] | 10.31 (0.2) | 9.82 (0.3) | 9.82 (0.3) | 10.31 | 10.31 (0.2) | ||||||||||
| Distance | [pc] | 96.96 (2) | 101.83 (3) | 101.81 (3) | 96.96 | 96.96 (2) | ||||||||||
| Composition | H | H | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -18.00284755 (0.2) | -18.89333757 (0.6) | -18.003 (0.2) | -10.7 | |||||||||||
| Proper motion (declination) | [mas/yr] | -75.98209159 (0.2) | -75.52559063 (0.7) | -75.982 (0.2) | -78.1 | |||||||||||
| Variability | ||||||||||||||||
| Magnetic | ||||||||||||||||
| Bd | [MG] | |||||||||||||||
| Infrared excess (disk) | ||||||||||||||||
| Binarity | ||||||||||||||||
| B magnitude | ||||||||||||||||
| V magnitude | ||||||||||||||||
| R magnitude | ||||||||||||||||
| I magnitude | ||||||||||||||||
| J magnitude | 17.48 (0.01) | 17.48 (0.02) | ||||||||||||||
| H magnitude | 17.44 (0.09) | 17.44 (0.09) | ||||||||||||||
| K magnitude | 17.22 (0.1) | 17.20 (0.1) | ||||||||||||||
| u magnitude | 18.49 (0.01) | 18.48 (0.01) | 18.49 (0.01) | 18.47 (0.02) | 18.47 | 18.49 (0.02) | ||||||||||
| g magnitude | 18.02 (0.006) | 18.02 (0.006) | 18.03 (0.02) | 18.03 | 18.04 (0.02) | |||||||||||
| r magnitude | 17.93 (0.007) | 17.93 (0.007) | 17.93 (0.02) | 17.92 | 17.93 (0.02) | |||||||||||
| i magnitude | 17.94 (0.008) | 17.94 (0.008) | 17.93 (0.02) | 17.93 | 17.93 (0.02) | |||||||||||
| z magnitude | 18.06 (0.02) | 18.06 (0.02) | 18.07 (0.02) | 18.07 | 18.06 (0.02) | |||||||||||
| G magnitude | 17.90 (0.01) | 17.92 | 17.90 | 17.90 (0.003) | ||||||||||||
| BP magnitude | 18.06 (0.01) | 18.06 | ||||||||||||||
| RP magnitude | 17.62 (0.01) | 17.65 | ||||||||||||||
| Pan g magnitude | 18.03 (0.004) | 18.03 (0.004) | ||||||||||||||
| Pan r magnitude | 17.96 (0.006) | 17.96 (0.005) | ||||||||||||||
| Pan i magnitude | 17.98 (0.01) | 17.98 (0.008) | ||||||||||||||
| Pan z magnitude | 18.04 (0.007) | 18.04 (0.008) | ||||||||||||||
| Pan y magnitude | 18.12 (0.01) | 18.12 (0.02) | ||||||||||||||
| E(B-V) | 0.003 | |||||||||||||||
* 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
