WD 2046-059
All names: WD 2046-059, SDSS J204938.36-054423.6, Gaia DR2 6913457398644650368, Gaia EDR3 6913457398644650368, GALEX J204938.4-054424, [HHD2009] SDSS J2049-0544, SDSS J204938.36-054423.7, WIRED J204938.36-054423.7, Gaia DR3 6913457398644650368, [SGR2010] J2049-0544
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | sdss-wdms.org (29/04/2016) | Tremblay et al. 2011 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 20 49 38.37 (0.6) | 20 49 38.36 | 20 49 38.37 (0.8) | 20 49 38.36 | 20 49 38.36 (0.6) | 20 49 38.36 | 20 49 37.85 | 20 49 38.36 | ||||
| Declination | -05 44 23.60 (0.3) | -05 44 23.69 | -05 44 23.60 (0.5) | -05 44 23.71 | -05 44 23.72 (0.3) | -05 44 23.70 | -05 44 18.24 | -05 44 23.71 | ||||
| Spectral type | DA+M | DA+M | DA | DA+M | DA+M | DA+ME | DA+M | |||||
| Effective temperature | [K] | 7045.0 | 24726.0 (922) | 24660.0 (730) | 8936.0 (67) | 8944.0 (65) | ||||||
| log(g) | [cgs] | 6.88 | 7.97 (0.1) | 7.84 (0.1) | 8.74 (0.1) | 8.56 (0.07) | ||||||
| Mass | [M☉] | 0.172 | 0.62 (0.07) | 0.55 (0.05) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.0209 | ||||||||||
| 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] | -0.67 (0.8) | -4.48 (1) | |||||||||
| Distance | [pc] | |||||||||||
| Composition | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 8.090861899 (0.8) | 18.47160596 (2) | 8.091 (0.8) | 0.6 | |||||||
| Proper motion (declination) | [mas/yr] | 7.316936503 (0.5) | 3.390384887 (1) | 7.317 (0.5) | 5.7 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | WDMS | WDMS | yes | WDMS | ||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 18.78 (0.02) | 18.77 | 18.77 (0.02) | 18.77 (0.03) | 18.76 | 18.76 (0.03) | ||||||
| g magnitude | 18.75 (0.009) | 18.77 | 18.75 (0.009) | 18.77 (0.01) | 18.77 | 18.75 (0.01) | ||||||
| r magnitude | 18.92 (0.01) | 18.95 | 18.93 (0.01) | 18.95 (0.01) | 18.95 | 18.93 (0.01) | ||||||
| i magnitude | 18.52 (0.01) | 18.54 | 18.52 (0.01) | 18.54 (0.01) | 18.54 | 18.52 (0.01) | ||||||
| z magnitude | 18.08 (0.03) | 18.10 | 18.09 (0.03) | 18.10 (0.03) | 18.10 | 18.07 (0.03) | ||||||
| G magnitude | 18.94 (0.01) | 18.80 | 18.94 (0.007) | |||||||||
| BP magnitude | 18.82 (0.01) | 18.77 | ||||||||||
| RP magnitude | 18.15 (0.03) | 18.09 | ||||||||||
| Pan g magnitude | 18.79 (0.009) | |||||||||||
| Pan r magnitude | 18.92 (0.006) | |||||||||||
| Pan i magnitude | 18.54 (0.008) | |||||||||||
| Pan z magnitude | 18.15 (0.01) | |||||||||||
| Pan y magnitude | 17.96 (0.01) | |||||||||||
| E(B-V) | ||||||||||||
* 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
