A transit - watching telescope like Kepler waits
for dips in brightness as a planet travels in front of its star and blocks a tiny fraction of its light.
So Jenkins's software searches
for dips in brightness lasting up to half a day.
Not exact matches
The transit method of detecting planets that Kepler scientists use involves looking
for dips in a star's
brightness, caused by a planet blocking a fraction of the starlight (similar to how the moon eclipses the sun).
Among them was Bill Borucki, a space scientist who persuaded nasa to launch a telescope that looks
for a 0.01 percent
dip in brightness from faraway stars when planets pass
in front of them.
Astronomers have identified over 2,300 new planets
in Kepler data by searching
for tiny
dips in a star's
brightness when a planet passes
in front of it.
Kepler watched sunlike stars
for telltale
dips in brightness that would reveal a passing planet.
Now he has the sensitive equipment he needs: NASA's Kepler space telescope, which stares at stars and looks
for subtle
dips in brightness caused by planets crossing
in front of the stars and blocking some of their light.
They monitored more than 34,000 stars, searching
for slight
dips in their
brightnesses from the shadows of giant planets crossing
in front.
For example, there are lots of stars that cross
in front of each other, which causes a similar
dip in brightness.
So a number of observational projects have taken a different tack, trying to identify small KBOs by monitoring background stars
for sudden
dips in brightness that might result from a distant object crossing the line of sight between the star and Earth.
Speculation to account
for KIC 8462852's
dips in brightness has ranged from it having swallowed a nearby planet to an unusually large group of comets orbiting the star to an alien megastructure.
If the
brightness of a star
dips slightly
for a while and then recovers, that could be the sign of an orbiting planet passing
in front of it.
Kepler identifies exoplanets by staring at a large number of stars
for extended periods and waiting
for their
brightness to
dip periodically when a planet passes
in front of them.
The data
for this project will be used to explore ALL possible scenarios to explain the star's
dips in brightness.
With its four powerful cameras, it will watch a segment of the sky
for 27 days, monitoring stars within that swath
for short
dips in brightness that might indicate the presence of a planet.
It will monitor the light of these stars, looking out
for small
dips in brightness.
Stassun is a co-principal investigator on the project and he and his team will be selecting the specific stars that the project will target
in its search
for subtle, periodic
dips in brightness that occurs when a planet transits across a star's face.
The Kepler space telescope watches the same patch of sky - containing around 100,000 stars - and waits
for slight «
dips»
in starlight
brightness.
Using the «transit method» to discover exoplanets, the system watches stars
for slight
dips in their
brightness, a sign that an exoplanet orbited
in front of its host star.
KIC 8462852 also
dips in brightness, but
in a much more abnormal way; its
brightness will
dip by as much as 20 percent
for irregular periods of time — anywhere between five to 80 days.
What's so spectacular about WTF's
brightness is that there is a single, smooth
dip in brightness followed 700 days later by irregular but large decreases that lasted
for 100 days before the
brightness returned back to normal levels.
Over a two - year period, TESS will hunt
for exoplanets with the help of a phenomenon known as transit — where a planet passes
in front of its star (from an observer's point of view) causing a periodic and regular
dip in brightness.