SDSS J093944.64+371617.8
All names: SDSS J093944.64+371617.7, Gaia DR2 800517032788549504, GALEX J093944.6+371617, WD 0936+374.1, Gaia DR3 800517037086252032, SDSS J093944.64+371617.8, Gaia EDR3 800517037086252032
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | 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 39 44.65 (0.2) | 09 39 44.65 | 09 39 44.65 (0.3) | 09 39 44.65 | 09 39 44.65 (0.2) | 09 39 44.64 | 09 39 44.35 | 09 39 44.64 | |||||
| Declination | 37 16 17.86 (0.1) | 37 16 17.80 | 37 16 17.86 (0.3) | 37 16 17.86 | 37 16 17.82 (0.1) | 37 16 17.81 | 37 16 11.64 | 37 16 17.80 | |||||
| Spectral type | DA+DB/DC | DA | DA+DB/DC | DA | DA | DA:B: | DA | ||||||
| Effective temperature | [K] | 11765.0 | 16932.0 (1162) | 27496.0 (780) | 9851.0 (77) | ||||||||
| log(g) | [cgs] | 7.33 | 7.87 (0.1) | 8.47 (0.2) | 10.00 (0.007) | ||||||||
| Mass | [M☉] | 0.306 | 0.546 (0.08) | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.1987 | |||||||||||
| 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] | 2.56 (0.2) | 2.40 (0.4) | 2.56 | 2.56 (0.2) | ||||||||
| Distance | [pc] | 390.47 (33) | 416.62 (71) | 390.47 | 390.47 (33) | ||||||||
| Composition | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -3.462998627 (0.2) | -3.291139829 (0.5) | -3.463 (0.2) | -2.2 | ||||||||
| Proper motion (declination) | [mas/yr] | 3.00986688 (0.2) | 2.708398132 (0.6) | 3.01 (0.2) | 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 | 18.88 (0.02) | 18.88 (0.02) | 18.93 (0.02) | 18.93 | 18.92 (0.02) | ||||||||
| g magnitude | 18.80 (0.008) | 18.80 (0.008) | 18.82 (0.02) | 18.82 | 18.82 (0.02) | ||||||||
| r magnitude | 19.05 (0.01) | 19.05 (0.01) | 19.03 (0.01) | 19.03 | 19.04 (0.01) | ||||||||
| i magnitude | 19.30 (0.02) | 19.30 (0.01) | 19.26 (0.02) | 19.26 | 19.28 (0.02) | ||||||||
| z magnitude | 19.58 (0.06) | 19.58 (0.06) | 19.54 (0.06) | 19.54 | 19.53 (0.06) | ||||||||
| G magnitude | 18.94 (0.02) | 18.97 | 18.94 | 18.94 (0.003) | |||||||||
| BP magnitude | 18.90 (0.02) | 18.80 | |||||||||||
| RP magnitude | 19.02 (0.04) | 18.96 | |||||||||||
| Pan g magnitude | 18.84 (0.006) | ||||||||||||
| Pan r magnitude | 19.05 (0.007) | ||||||||||||
| Pan i magnitude | 19.25 (0.01) | ||||||||||||
| Pan z magnitude | 19.51 (0.02) | ||||||||||||
| Pan y magnitude | 19.52 (0.05) | ||||||||||||
| E(B-V) | 0.018 | ||||||||||||
* Constant surface field
Special notes:
Spectra
Controls
Normalize at:
Normalize by mean flux
Range:
x:
to
y:
to
Spectra available:
Spectra without link are available upon request
Absorption lines
Photometric filters
BVRI
ugriz
Photometric fit
