WD 0915+021
All names: SDSS J091819.18+015345.8, Gaia DR2 3845011609944835584, WD 0915+021, Gaia EDR3 3845011609944835584, SDSS J091819.19+015345.9, SDSS J091819.19+015345.8, Gaia DR3 3845011609944835584
| 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 | Kleinman et al. 2004 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 18 19.18 (1) | 09 18 19.19 | 09 18 19.18 (1) | 09 18 19.18 (1) | 09 18 19.18 | 09 18 19.27 | 09 18 19.19 | 09 18 19.19 | ||||
| Declination | 01 53 45.80 (0.6) | 01 53 45.79 | 01 53 45.81 (0.7) | 01 53 45.85 (0.6) | 01 53 45.88 | 01 53 38.76 | 01 53 45.84 | 01 53 45.85 | ||||
| Spectral type | DA | DA | DA | DA3.8 | DA | |||||||
| Effective temperature | [K] | 12262.0 | 13050.0 (595) | 13992.0 (385) | 13111.0 (590) | |||||||
| log(g) | [cgs] | 7.95 | 7.73 (0.1) | 8.26 (0.1) | 7.72 (0.1) | |||||||
| Mass | [M☉] | 0.576 | 0.759 (0.08) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.3288 | ||||||||||
| 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] | 1.57 (0.8) | 1.98 (1) | 1.57 (0.8) | ||||||||
| Distance | [pc] | 636.35 (310) | 503.88 (275) | 636.33 (310) | ||||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -0.323562925 (2) | -6.234791847 (2) | -0.324 (2) | -3.0 | -3.0 | ||||||
| Proper motion (declination) | [mas/yr] | -2.835897339 (0.8) | -5.968815508 (1) | -2.836 (0.8) | -13.5 | -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 | 20.39 (0.06) | 20.47 (0.07) | 20.48 (0.07) | 20.48 | 20.48 (0.07) | 20.48 (0.07) | ||||||
| g magnitude | 19.99 (0.02) | 20.03 (0.02) | 20.03 (0.02) | 20.02 | 20.04 (0.02) | 20.02 (0.02) | ||||||
| r magnitude | 20.26 (0.03) | 20.23 (0.03) | 20.21 (0.03) | 20.22 | 20.20 (0.03) | 20.22 (0.03) | ||||||
| i magnitude | 20.46 (0.05) | 20.41 (0.04) | 20.42 (0.04) | 20.42 | 20.42 (0.04) | 20.42 (0.04) | ||||||
| z magnitude | 20.43 (0.2) | 20.73 (0.3) | 20.70 (0.3) | 20.68 | 20.70 (0.2) | 20.68 (0.2) | ||||||
| G magnitude | 20.13 (0.1) | 20.19 | 20.13 (0.007) | |||||||||
| BP magnitude | 20.10 (0.1) | 20.10 | ||||||||||
| RP magnitude | 20.28 (0.1) | 20.46 | ||||||||||
| Pan g magnitude | 20.01 (0.01) | |||||||||||
| Pan r magnitude | 20.19 (0.02) | |||||||||||
| Pan i magnitude | 20.50 (0.03) | |||||||||||
| Pan z magnitude | 20.58 (0.05) | |||||||||||
| Pan y magnitude | 20.27 (0.1) | |||||||||||
| E(B-V) | 0.035 | |||||||||||
* Constant surface field
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