WD 0939+621
All names: Gaia DR2 1063044744093160576, SDSS J094337.10+615236.3, Gaia EDR3 1063044744093160576, SDSS J094337.09+615236.3, SDSS J094337.08+615236.3, WD 0939+621, SDSS J094337.09+615236.4, GALEX J094337.1+615236, Gaia DR3 1063044744093160576, SDSS J094337.07+615236.3
| 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 | Kleinman et al. 2004 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 43 37.22 (0.09) | 09 43 37.08 | 09 43 37.22 (0.1) | 09 43 37.22 | 09 43 37.08 (0.09) | 09 43 37.09 | 09 43 36.98 | 09 43 37.09 | 09 43 37.09 | |||||
| Declination | 61 52 36.43 (0.1) | 61 52 36.34 | 61 52 36.43 (0.2) | 61 52 36.43 | 61 52 36.32 (0.1) | 61 52 36.38 | 61 52 32.88 | 61 52 36.38 | 61 52 36.34 | |||||
| Spectral type | DA | DA | DA7 | DA | DA6.7 | DA | DA | |||||||
| Effective temperature | [K] | 7008.0 | 7115.0 (125) | 7418.0 (71) | 6841.0 (46) | 7490.0 (62) | ||||||||
| log(g) | [cgs] | 8.06 | 7.99 (0.04) | 8.53 (0.2) | 7.77 (0.1) | 8.84 (0.1) | ||||||||
| Mass | [M☉] | 0.631 | 0.586 (0.04) | 0.481 (0.05) | ||||||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 1.6570 | ||||||||||||
| 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] | 7.86 (0.2) | 8.45 (0.3) | 7.86 | 7.86 (0.2) | |||||||||
| Distance | [pc] | 127.28 (3) | 118.33 (4) | 127.28 | 127.28 (3) | |||||||||
| Composition | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | 59.78784224 (0.1) | 59.87967376 (0.2) | 59.788 (0.1) | 62.9 | 60.0 | ||||||||
| Proper motion (declination) | [mas/yr] | 6.556947851 (0.2) | 6.718993949 (0.4) | 6.557 (0.2) | 3.9 | 9.0 | ||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | ||||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | ||||||||||||||
| H magnitude | ||||||||||||||
| K magnitude | ||||||||||||||
| u magnitude | 19.69 (0.03) | 19.69 (0.03) | 19.63 (0.03) | 19.63 | 19.68 (0.03) | 19.63 (0.03) | ||||||||
| g magnitude | 19.09 (0.01) | 19.09 (0.01) | 19.08 (0.02) | 19.08 | 19.10 (0.02) | 19.08 (0.02) | ||||||||
| r magnitude | 18.89 (0.01) | 18.89 (0.01) | 18.89 (0.01) | 18.89 | 18.89 (0.01) | 18.89 (0.01) | ||||||||
| i magnitude | 18.86 (0.01) | 18.86 (0.01) | 18.86 (0.02) | 18.86 | 18.87 (0.02) | 18.86 (0.02) | ||||||||
| z magnitude | 18.89 (0.04) | 18.89 (0.04) | 18.86 (0.04) | 18.86 | 18.88 (0.04) | 18.86 (0.04) | ||||||||
| G magnitude | 18.88 (0.02) | 18.90 | 18.88 | 18.88 (0.003) | ||||||||||
| BP magnitude | 19.09 (0.02) | 19.05 | ||||||||||||
| RP magnitude | 18.57 (0.02) | 18.52 | ||||||||||||
| Pan g magnitude | 19.07 (0.009) | |||||||||||||
| Pan r magnitude | 18.90 (0.01) | |||||||||||||
| Pan i magnitude | 18.86 (0.009) | |||||||||||||
| Pan z magnitude | 18.93 (0.02) | |||||||||||||
| Pan y magnitude | 18.93 (0.04) | |||||||||||||
| E(B-V) | 0.008 | |||||||||||||
* 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
