US 1711
All names: [HHD2009] SDSS J0849+4350, US 1711, Gaia EDR3 914105551829573248, GALEX J084909.7+435045, Gaia DR2 914105551829573248, Gaia DR3 914105551829573248, SDSS J084909.66+435045.1, WIRED J084909.67+435045.1, WD 0845+440, SDSS J084909.67+435045.1
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Tremblay et al. 2011 | 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 | 08 49 09.70 (0.2) | 08 49 09.66 | 08 49 09.70 (0.2) | 08 49 09.67 | 08 49 09.70 | 08 49 09.67 (0.2) | 08 49 09.67 | 08 49 09.67 | 08 49 09.67 | ||||||
| Declination | 43 50 45.15 (0.1) | 43 50 45.16 | 43 50 45.15 (0.2) | 43 50 45.10 | 43 50 45.15 | 43 50 45.16 (0.1) | 43 50 45.13 | 43 50 39.12 | 43 50 45.15 | ||||||
| Spectral type | DA+M | DA+M | DA | DA | DA+M | DA+M | DA d | DA+M | DA+MS | ||||||
| Effective temperature | [K] | 8078.0 | 11433.0 (189) | 11860.0 (170) | 7002.0 (117) | 10935.0 (76) | 10797.0 (81) | ||||||||
| log(g) | [cgs] | 7.17 | 8.11 (0.1) | 8.15 (0.06) | 6.62 (0.1) | 8.01 (0.06) | 8.02 (0.06) | ||||||||
| Mass | [M☉] | 0.244 | 0.67 (0.06) | 0.7 (0.04) | 0.117 (0.03) | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||||||
| Cooling age | [Gyr] | 0.4773 | 0.5012 | ||||||||||||
| 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] | 4.37 (0.2) | 4.36 (0.3) | 4.37 | 4.37 (0.2) | ||||||||||
| Distance | [pc] | 228.70 (10) | 229.26 (14) | 228.70 | 228.70 (10) | ||||||||||
| Composition | H | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | 24.81237444 (0.2) | 24.65399504 (0.4) | 24.812 (0.2) | 28.8 | ||||||||||
| Proper motion (declination) | [mas/yr] | -0.204796408 (0.2) | -0.3659442 (0.3) | -0.205 (0.2) | -2.3 | ||||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | WDMS | WDMS | WDMS | WDMS | |||||||||||
| B magnitude | 18.80 | ||||||||||||||
| V magnitude | |||||||||||||||
| R magnitude | |||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | |||||||||||||||
| H magnitude | |||||||||||||||
| K magnitude | |||||||||||||||
| u magnitude | 19.09 (0.02) | 19.19 | 19.09 (0.02) | 19.19 (0.03) | 19.19 | 19.17 (0.03) | |||||||||
| g magnitude | 18.63 (0.008) | 18.67 | 18.63 (0.008) | 18.67 (0.04) | 18.67 | 18.66 (0.04) | |||||||||
| r magnitude | 18.75 (0.01) | 18.76 | 18.75 (0.01) | 18.76 (0.02) | 18.76 | 18.75 (0.02) | |||||||||
| i magnitude | 18.58 (0.01) | 18.59 | 18.58 (0.01) | 18.59 (0.03) | 18.59 | 18.58 (0.03) | |||||||||
| z magnitude | 18.20 (0.02) | 18.23 | 18.20 (0.02) | 18.23 (0.03) | 18.23 | 18.22 (0.03) | |||||||||
| G magnitude | 18.56 (0.01) | 18.58 | 18.56 | 18.56 (0.003) | |||||||||||
| BP magnitude | 18.72 (0.01) | 18.73 | |||||||||||||
| RP magnitude | 18.22 (0.02) | 18.18 | |||||||||||||
| Pan g magnitude | 18.64 (0.008) | ||||||||||||||
| Pan r magnitude | 18.74 (0.01) | ||||||||||||||
| Pan i magnitude | 18.63 (0.005) | ||||||||||||||
| Pan z magnitude | 18.34 (0.005) | ||||||||||||||
| Pan y magnitude | 18.11 (0.03) | ||||||||||||||
| E(B-V) | 0.013 | ||||||||||||||
* 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
