SDSS J082805.79+083338.8
All names: SDSS J082805.80+083338.9, Gaia EDR3 599220230682438016, Gaia DR2 599220230682438016, Gaia DR3 599220230682438016, GALEX J082805.8+083339, WD 0825+087, SDSS J082805.79+083338.8, SDSS J082805.79+083338.9
| 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 05.80 (0.5) | 08 28 05.80 | 08 28 05.80 (0.6) | 08 28 05.80 (0.5) | 08 28 05.80 | 08 28 05.88 | 08 28 05.80 | |||||
| Declination | 08 33 38.88 (0.3) | 08 33 38.90 | 08 33 38.88 (0.4) | 08 33 38.91 (0.3) | 08 33 38.87 | 08 33 37.08 | 08 33 38.87 | |||||
| Spectral type | DA | DA | DA_auto | DA | DA | DA | ||||||
| Effective temperature | [K] | 22801.0 | 23237.0 (868) | 23183.0 (864) | ||||||||
| log(g) | [cgs] | 8.73 | 7.80 (0.2) | 7.91 (0.2) | ||||||||
| Mass | [M☉] | 1.073 | 0.585 (0.08) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.2064 | ||||||||||
| 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 (0.6) | 2.23 (0.8) | 1.35 (0.6) | ||||||||
| Distance | [pc] | 740.28 (303) | 449.42 (154) | 740.30 (303) | ||||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 0.464831573 (0.6) | 2.748188136 (1) | 0.465 (0.6) | ||||||||
| Proper motion (declination) | [mas/yr] | -2.039911934 (0.4) | -3.208726447 (0.8) | -2.04 (0.4) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 19.87 (0.03) | 19.87 (0.03) | 19.87 (0.04) | 19.86 | 19.88 (0.03) | |||||||
| g magnitude | 19.95 (0.02) | 19.95 (0.01) | 19.98 (0.03) | 19.97 | 20.00 (0.03) | |||||||
| r magnitude | 20.33 (0.02) | 20.33 (0.02) | 20.35 (0.03) | 20.34 | 20.36 (0.03) | |||||||
| i magnitude | 20.67 (0.04) | 20.67 (0.04) | 20.68 (0.06) | 20.67 | 20.68 (0.06) | |||||||
| z magnitude | 20.82 (0.2) | 20.82 (0.2) | 21.16 (0.2) | 21.15 | 21.15 (0.2) | |||||||
| G magnitude | 20.17 (0.07) | 20.22 | 20.17 (0.006) | |||||||||
| BP magnitude | 20.05 (0.07) | 20.21 | ||||||||||
| RP magnitude | 20.08 (0.1) | 20.49 | ||||||||||
| Pan g magnitude | 20.01 (0.009) | |||||||||||
| Pan r magnitude | 20.30 (0.02) | |||||||||||
| Pan i magnitude | 20.72 (0.04) | |||||||||||
| Pan z magnitude | 20.89 (0.06) | |||||||||||
| Pan y magnitude | ||||||||||||
| E(B-V) | 0.027 | |||||||||||
* Constant surface field
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