SDSS J094205.36+184657.9
All names: Gaia EDR3 621355736211601024, SDSS J094205.28+184658.1, SDSS J094205.37+184658.0, [HHD2009] SDSS J0942+1846, Gaia DR2 621355736211601024, WIRED J094205.36+184657.9, SDSS J094205.36+184657.9, SDSS J094205.37+184657.9, WD 0939+190, Gaia DR3 621355736211601024, GALEX J094205.4+184658
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 42 05.36 (0.4) | 09 42 05.36 | 09 42 05.36 (0.6) | 09 42 05.36 | 09 42 05.37 (0.4) | 09 42 04.80 | 09 42 05.37 | ||||
| Declination | 18 46 57.76 (0.3) | 18 46 57.92 | 18 46 57.77 (0.4) | 18 46 57.90 | 18 46 58.05 (0.3) | 18 46 53.40 | 18 46 57.97 | ||||
| Spectral type | DA+M | DA+M | DA+M | DA d | DA+M | ||||||
| Effective temperature | [K] | 8991.0 | 19416.0 (683) | 10180.0 (88) | |||||||
| log(g) | [cgs] | 7.44 | 7.96 (0.1) | 8.84 (0.08) | |||||||
| Mass | [M☉] | 0.331 | 0.6 (0.08) | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.4504 | |||||||||
| 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] | 1.76 (0.5) | 3.14 (0.7) | 1.76 (0.5) | |||||||
| Distance | [pc] | 567.70 (164) | 318.05 (69) | 532.00 (52) | 567.70 (164) | ||||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -4.876743624 (0.5) | -2.597571256 (0.8) | -4.877 (0.5) | |||||||
| Proper motion (declination) | [mas/yr] | -17.83740434 (0.3) | -15.62780247 (0.6) | -17.837 (0.3) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | WDMS | |||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 19.33 (0.02) | 19.38 | 19.33 (0.02) | 19.38 | 19.38 (0.03) | ||||||
| g magnitude | 19.17 (0.01) | 19.25 | 19.17 (0.01) | 19.25 | 19.26 (0.03) | ||||||
| r magnitude | 19.42 (0.01) | 19.51 | 19.42 (0.01) | 19.51 | 19.52 (0.02) | ||||||
| i magnitude | 19.37 (0.02) | 19.58 | 19.37 (0.02) | 19.57 | 19.58 (0.03) | ||||||
| z magnitude | 18.93 (0.04) | 19.10 | 18.93 (0.04) | 19.10 | 19.09 (0.04) | ||||||
| G magnitude | 19.42 (0.03) | 19.46 | 19.42 (0.005) | ||||||||
| BP magnitude | 19.34 (0.03) | 19.26 | |||||||||
| RP magnitude | 18.93 (0.05) | 18.92 | |||||||||
| Pan g magnitude | 19.25 (0.006) | ||||||||||
| Pan r magnitude | 19.48 (0.006) | ||||||||||
| Pan i magnitude | 19.34 (0.02) | ||||||||||
| Pan z magnitude | 19.10 (0.01) | ||||||||||
| Pan y magnitude | 18.80 (0.03) | ||||||||||
| E(B-V) | 0.025 | ||||||||||
* 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
