SDSS J094407.13+544827.3
All names: SDSS J094407.13+544827.3, SDSS J094407.13+544827.4, Gaia DR3 1021778320355810176, Gaia EDR3 1021778320355810176, WD 0940+550, Gaia DR2 1021778320355810176, GALEX J094407.2+544828
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | 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 44 07.07 (0.3) | 09 44 07.13 | 09 44 07.08 (0.4) | 09 44 07.07 | 09 44 07.14 (0.3) | 09 44 07.13 | 09 44 06.50 | 09 44 07.13 | ||||
| Declination | 54 48 27.43 (0.2) | 54 48 27.38 | 54 48 27.43 (0.3) | 54 48 27.43 | 54 48 27.40 (0.2) | 54 48 27.34 | 54 48 25.20 | 54 48 27.40 | ||||
| Spectral type | DA: | DA | DAH | DA: | DA: | DAH | DA | |||||
| Effective temperature | [K] | 8443.0 | 7841.0 (332) | 8529.0 (196) | 8445.0 (198) | |||||||
| log(g) | [cgs] | 7.70 | 7.69 (0.1) | 7.72 (0.4) | 7.60 (0.4) | |||||||
| Mass | [M☉] | 0.437 | 0.427 (0.1) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.6537 | ||||||||||
| 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] | 4.05 (0.4) | 3.49 (0.5) | 4.05 | 4.05 (0.4) | |||||||
| Distance | [pc] | 246.64 (24) | 286.76 (43) | 246.64 | 246.65 (24) | |||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -34.89934337 (0.4) | -35.32880089 (0.8) | -34.899 (0.4) | -32.4 | |||||||
| Proper motion (declination) | [mas/yr] | 1.974353414 (0.3) | 0.84614955 (0.9) | 1.974 (0.3) | 2.8 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 20.15 (0.05) | 20.15 (0.05) | 20.18 (0.04) | 20.17 | 20.22 (0.04) | |||||||
| g magnitude | 19.73 (0.02) | 19.73 (0.01) | 19.72 (0.02) | 19.71 | 19.73 (0.02) | |||||||
| r magnitude | 19.67 (0.02) | 19.67 (0.02) | 19.68 (0.02) | 19.67 | 19.70 (0.02) | |||||||
| i magnitude | 19.76 (0.03) | 19.76 (0.03) | 19.71 (0.03) | 19.70 | 19.73 (0.03) | |||||||
| z magnitude | 19.87 (0.1) | 19.87 (0.1) | 19.72 (0.07) | 19.71 | 19.75 (0.07) | |||||||
| G magnitude | 19.63 (0.04) | 19.68 | 19.63 | 19.63 (0.004) | ||||||||
| BP magnitude | 19.75 (0.04) | 19.69 | ||||||||||
| RP magnitude | 19.29 (0.05) | 19.52 | ||||||||||
| Pan g magnitude | ||||||||||||
| Pan r magnitude | ||||||||||||
| Pan i magnitude | ||||||||||||
| Pan z magnitude | ||||||||||||
| Pan y magnitude | ||||||||||||
| E(B-V) | 0.016 | |||||||||||
* Constant surface field
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