A map of the path of
the occultation on January 6, 2013.
Not exact matches
Once he'd found MU69, it was up to Buie and others to calculate its orbit and predict where its shadow would fall
on Earth during the
occultation last summer, resulting in those windswept telescopes
on Patagonia's beaches.
According to the data obtained from the stellar
occultation, the ring lies
on the equatorial plane of the dwarf planet, just like its biggest satellite, Hi'iaka, and it displays a 3:1 resonance with respect to the rotation of Haumea, which means that the frozen particles which compose the ring rotate three times slower around the planet than it rotates around its own axis.
A detailed ozone model budget analysis was performed with simultaneous observations of O3, HCl, H2O, CH4, NO, and NO2 from the Halogen
Occultation Experiment (HALOE)
on the Upper Atmosphere Research Satellite (UARS) under conditions with the strongest photochemical control of ozone.
But according to Brazilian physicist Felipe Braga Ribas of the Valongo Observatory in Rio de Janeiro, observations of a stellar
occultation by Quaoar
on 4 May 2011 indicate a much larger diameter, between 1045 and 1095 kilometers.
Specifically, they analyzed radio
occultations — made when Voyager 2 sent radio waves through the rings to be detected back
on Earth — and stellar
occultations, made when the spacecraft measured the light of background stars shining through the rings, which helps reveal how much material they contain.
But after those stellar
occultations revealed its unexpected atmosphere, I was hooked
on Pluto atmosphere research.
The data is
on atmospheric absorption during
occultations, indicating short time scale variability.
This
occultation took place
on April 23, 2011 and lasted for no more than a minute.
I continued working
on occultations and
occultation predictions and in 1992 I also started working
on what later became the Kepler Mission.
On this date the
occultation of 28 Sgr by Titan was observable from Europe.
The Minor Planet section of the BAA handbook has been expanded to include data
on; brighter asteroids, astrometry,
occultations, photometry and NEO close approaches.
The most recent Pluto
occultation opportunity was
on June 29, 2015, in the southern hemisphere, just two weeks before New Horizons makes its closest approach to the Pluto system.
Other major meetings attended by section officers were the EUROPLANET N3 Strategic Workshop «Stellar
Occultation Studies» in Paris and Meeting
on Asteroids and Comets in
«When the 1988 stellar
occultation occurred, scientists were out to detect the atmosphere, which had been expected
on theoretical grounds for more than a decade,» Alan Stern, New Horizons principal investigator, said via email.
This European Space Agency (ESA) satellite for direct - pointing and lunar -
occultation observation of X-ray sources beyond the solar system was launched into a highly eccentric orbit (apogee 200,000 km, perigee 500 km) almost perpendicular to that of the moon
on May 26, 1983.
On November 6, 2010, three teams of astronomers using three different telescopes tracking the occultation of a 17th - magnitude star in the north - central part of Constellation Cetus by Eris revealed preliminary results indicating that the dwarf planet may be smaller in diameter than Pluto after all, based on the unexpectedly short times of occultation reporte
On November 6, 2010, three teams of astronomers using three different telescopes tracking the
occultation of a 17th - magnitude star in the north - central part of Constellation Cetus by Eris revealed preliminary results indicating that the dwarf planet may be smaller in diameter than Pluto after all, based
on the unexpectedly short times of occultation reporte
on the unexpectedly short times of
occultation reported.
Solar L1
occultation can indeed «turn climate
on a dime».
Thus, considering LEO missions such as CHAMP, GRACE, and Formosat3 / COSMIC, the radio
occultation techniques are already well established to monitor the shape of vertical electron density structure
on global scale (Jakowski et al. 2011).
Due to the high value of radio
occultation measurements for monitoring the current tropospheric weather conditions, a follow
on mission of COSMIC / Formosat is planned which will provide a huge database for ionosphere sounding.
Participants discussed a scenario involving flight of solar
occultation instruments (e.g., SAGE or Canadian ACE)
on free flyers in inclined, precessing orbits to ensure continuity of measurements of stratospheric ozone and pertinent trace - gas profiles.