USNO-A2.0 1275-07243802
All names: SDSS J082033.06+430803.0, Gaia EDR3 915900779440082688, Gaia DR3 915900779440082688, GALEX J082033.0+430804, SDSS J082033.07+430803.2, SDSS J082033.06+430803.3, Gaia DR2 915900779440082688, SDSS J082033.06+430803.2, USNO-A2.0 1275-07243802, WD 0817+432
| 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 20 33.03 (0.7) | 08 20 33.06 | 08 20 33.03 (1) | 08 20 33.08 (0.7) | 08 20 33.06 | 08 20 33.34 | 08 20 33.07 | |||||
| Declination | 43 08 02.98 (0.7) | 43 08 03.10 | 43 08 02.99 (1) | 43 08 03.22 (0.7) | 43 08 03.30 | 43 07 59.52 | 43 08 03.22 | |||||
| Spectral type | DA | DA | DA_auto | DA | DA | DA | ||||||
| Effective temperature | [K] | 13745.0 | 13122.0 (881) | 13574.0 (914) | ||||||||
| log(g) | [cgs] | 8.36 | 7.98 (0.2) | 8.16 (0.2) | ||||||||
| Mass | [M☉] | 0.836 | ||||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.4480 | ||||||||||
| 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] | 1.35 (0.9) | 2.23 (1) | 1.35 (0.9) | ||||||||
| Distance | [pc] | 742.94 (481) | 447.77 (232) | 742.94 (481) | ||||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -33.57034974 (0.8) | -32.20454628 (2) | -33.57 (0.8) | -25.6 | |||||||
| Proper motion (declination) | [mas/yr] | -14.57181578 (0.7) | -12.99389798 (2) | -14.572 (0.7) | -18.0 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | 19.40 (0.3) | |||||||||||
| V magnitude | ||||||||||||
| R magnitude | 19.20 (0.3) | |||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 20.76 (0.07) | 20.76 (0.07) | 20.70 (0.07) | 20.70 | 20.70 (0.07) | |||||||
| g magnitude | 20.43 (0.02) | 20.39 (0.02) | 20.41 (0.03) | 20.41 | 20.42 (0.03) | |||||||
| r magnitude | 20.54 (0.03) | 20.54 (0.03) | 20.58 (0.03) | 20.58 | 20.57 (0.03) | |||||||
| i magnitude | 20.78 (0.05) | 20.81 (0.05) | 20.83 (0.05) | 20.83 | 20.82 (0.05) | |||||||
| z magnitude | 20.99 (0.2) | 20.87 (0.2) | 20.83 (0.2) | 20.83 | 20.83 (0.2) | |||||||
| G magnitude | 20.47 (0.1) | 20.56 | 20.47 (0.009) | |||||||||
| BP magnitude | 20.33 (0.1) | 20.48 | ||||||||||
| RP magnitude | 20.40 (0.1) | 20.48 | ||||||||||
| Pan g magnitude | 20.56 (0.06) | |||||||||||
| Pan r magnitude | 20.60 (0.02) | |||||||||||
| Pan i magnitude | 20.82 (0.02) | |||||||||||
| Pan z magnitude | 20.85 (0.08) | |||||||||||
| Pan y magnitude | ||||||||||||
| E(B-V) | 0.035 | |||||||||||
* Constant surface field
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