SDSS J081518.61+333433.0
All names: GALEX J081518.6+333433, Gaia EDR3 902468084539815808, SDSS J081518.62+333433.1, SDSS J081518.61+333433.1, WD 0812+337, Gaia DR3 902468084539815808, SDSS J081518.61+333433.0, Gaia DR2 902468084539815808
| Parameter | Unit | Gaia EDR3 | 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 15 18.63 (0.5) | 08 15 18.62 | 08 15 18.63 (1) | 08 15 18.63 (0.5) | 08 15 18.62 | 08 15 18.86 | 08 15 18.62 | ||||
| Declination | 33 34 33.03 (0.4) | 33 34 33.10 | 33 34 33.03 (1) | 33 34 33.11 (0.4) | 33 34 33.09 | 33 34 30.00 | 33 34 33.12 | ||||
| Spectral type | DA | DA | DA_auto | DA | DA | DA | |||||
| Effective temperature | [K] | 26260.0 | 22331.0 (940) | 22460.0 (911) | |||||||
| log(g) | [cgs] | 7.77 | 8.04 (0.2) | 7.96 (0.2) | |||||||
| Mass | [M☉] | 0.523 | 0.608 (0.1) | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.0140 | |||||||||
| 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] | 1.01 (0.6) | 0.89 (1) | 1.01 (0.6) | |||||||
| Distance | [pc] | 994.77 (595) | 1128.42 (1309) | 994.73 (595) | |||||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 5.314217847 (0.6) | 4.17234446 (2) | 5.314 (0.6) | 1.4 | ||||||
| Proper motion (declination) | [mas/yr] | -5.248726696 (0.5) | -1.324889285 (2) | -5.249 (0.5) | -0.2 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 20.10 (0.04) | 20.07 (0.05) | 20.09 (0.05) | 20.09 | 20.10 (0.05) | ||||||
| g magnitude | 20.02 (0.02) | 20.03 (0.02) | 20.04 (0.03) | 20.04 | 20.04 (0.03) | ||||||
| r magnitude | 20.35 (0.02) | 20.37 (0.03) | 20.39 (0.04) | 20.39 | 20.38 (0.04) | ||||||
| i magnitude | 20.67 (0.04) | 20.53 (0.05) | 20.53 (0.05) | 20.54 | 20.53 (0.05) | ||||||
| z magnitude | 21.10 (0.2) | 21.27 (0.3) | 21.25 (0.3) | 21.25 | 21.24 (0.3) | ||||||
| G magnitude | 20.21 (0.07) | 20.31 | 20.21 (0.008) | ||||||||
| BP magnitude | 20.05 (0.07) | 20.08 | |||||||||
| RP magnitude | 20.10 (0.1) | 20.38 | |||||||||
| Pan g magnitude | |||||||||||
| Pan r magnitude | |||||||||||
| Pan i magnitude | |||||||||||
| Pan z magnitude | |||||||||||
| Pan y magnitude | |||||||||||
| E(B-V) | 0.033 | ||||||||||
* Constant surface field
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