Microlensing Studies in Crowded Fields
... photons per second depending on band pass (achromatic). • Sharper PSF gives a much fainter background per star image. • A 2% (10%) planet lensing effect will require an SNR of 150(30) which will take 40 (1.5) minutes neglecting sky background (can’t do this). • SNR much better than this because lens ...
... photons per second depending on band pass (achromatic). • Sharper PSF gives a much fainter background per star image. • A 2% (10%) planet lensing effect will require an SNR of 150(30) which will take 40 (1.5) minutes neglecting sky background (can’t do this). • SNR much better than this because lens ...
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... If its physical characteristics are similar to those of the other known planets in our Solar System then it, too, should be considered a planet, as should all other similar objects. Naboo should not be considered a planet It is really very small compared to most of the other planets. Its moo ...
... If its physical characteristics are similar to those of the other known planets in our Solar System then it, too, should be considered a planet, as should all other similar objects. Naboo should not be considered a planet It is really very small compared to most of the other planets. Its moo ...
On disc driven inward migration of resonantly coupled planets with
... mass. The ratio of semi-major axes a1 /a2 of the planets decreases until the planets “lock” into a 2:1 commensurability with n2 ≈ 2n1 at a time t ≈ 400 orbits. Both planets then subsequently migrate inwards a further 10% maintaining this ratio, showing the resonance to be robust. Figure 1 also shows ...
... mass. The ratio of semi-major axes a1 /a2 of the planets decreases until the planets “lock” into a 2:1 commensurability with n2 ≈ 2n1 at a time t ≈ 400 orbits. Both planets then subsequently migrate inwards a further 10% maintaining this ratio, showing the resonance to be robust. Figure 1 also shows ...
SeagerGUASAI - Sara Seager
... In 2009, the Organizing Committee of IAU Commission 53 Extrasolar Planets (WGESP) on exoplanets discussed the possibility of giving popular names to exoplanets in addition to their existing catalogue designation (for instance HD 85512 b). Although no consensus was reached, the majority was not in fa ...
... In 2009, the Organizing Committee of IAU Commission 53 Extrasolar Planets (WGESP) on exoplanets discussed the possibility of giving popular names to exoplanets in addition to their existing catalogue designation (for instance HD 85512 b). Although no consensus was reached, the majority was not in fa ...
Primordial Planet Formation - University of California San Diego
... atmospheres of primordial planets that are the universal ordinary dark matter, at what time after the Big Bang (at what redshift) did they cool below the hydrogen triple point temperature? Recall that when the primordial planet clump structures seen today formed at the time when the universe had ...
... atmospheres of primordial planets that are the universal ordinary dark matter, at what time after the Big Bang (at what redshift) did they cool below the hydrogen triple point temperature? Recall that when the primordial planet clump structures seen today formed at the time when the universe had ...
Astrology
... • ~1000 BCE, Babylon: Priests use positions of celestial objects and events to divine auspicious actions for the kings. • ~150 BCE, Alexandria: Ptolemy writes Tetrabiblios (published in 1519), about the observed influences of the Sun, Moon, and planets on human activities. • 800 CE: Astrology well e ...
... • ~1000 BCE, Babylon: Priests use positions of celestial objects and events to divine auspicious actions for the kings. • ~150 BCE, Alexandria: Ptolemy writes Tetrabiblios (published in 1519), about the observed influences of the Sun, Moon, and planets on human activities. • 800 CE: Astrology well e ...
Astrology
... •~1000 BCE, Babylon: Priests use positions of celestial objects and events to divine auspicious actions for the kings. •~150 BCE, Alexandria: Ptolemy writes Tetrabiblios (published in 1519), about the observed influences of the Sun, Moon, and planets on human activities. •800 CE: Astrology well esta ...
... •~1000 BCE, Babylon: Priests use positions of celestial objects and events to divine auspicious actions for the kings. •~150 BCE, Alexandria: Ptolemy writes Tetrabiblios (published in 1519), about the observed influences of the Sun, Moon, and planets on human activities. •800 CE: Astrology well esta ...
Astrology
... •~1000 BCE, Babylon: Priests use positions of celestial objects and events to divine auspicious actions for the kings. •~150 BCE, Alexandria: Ptolemy writes Tetrabiblios (published in 1519), about the observed influences of the Sun, Moon, and planets on human activities. •800 CE: Astrology well esta ...
... •~1000 BCE, Babylon: Priests use positions of celestial objects and events to divine auspicious actions for the kings. •~150 BCE, Alexandria: Ptolemy writes Tetrabiblios (published in 1519), about the observed influences of the Sun, Moon, and planets on human activities. •800 CE: Astrology well esta ...
Gemini - Sochias
... 40-200 AU separation Second epoch observations of 48 stars confirm all candidates as unrelated background stars 95% upper limit of fractions of star with at least one planet of 0.5 - 13 MJup are – 0.28 for 10-25 AU – 0.13 for 25-50 AU ...
... 40-200 AU separation Second epoch observations of 48 stars confirm all candidates as unrelated background stars 95% upper limit of fractions of star with at least one planet of 0.5 - 13 MJup are – 0.28 for 10-25 AU – 0.13 for 25-50 AU ...
We see apparent retrograde motion when we pass by a
... Tycho Brahe, the master observer • Observed positions of over 700 stars and the planets using a “state-of-the-art” observatory • Uraniborg – “The Castle of Urania” ...
... Tycho Brahe, the master observer • Observed positions of over 700 stars and the planets using a “state-of-the-art” observatory • Uraniborg – “The Castle of Urania” ...
Document
... to solidify into a solid ball and that requires a little more physics to understand. Most materials can exist as gas, liquid or solid depending on the temperature and pressure. Water is the most familiar example of this. We cool water and it freezes, heat it and it boils. But the temperature it does ...
... to solidify into a solid ball and that requires a little more physics to understand. Most materials can exist as gas, liquid or solid depending on the temperature and pressure. Water is the most familiar example of this. We cool water and it freezes, heat it and it boils. But the temperature it does ...
DIPLOMA THESIS Spectroscopic study of the star 70 Virginis and its
... Firstly, WGESP states that “rather than try to construct a detailed definition of a planet which is designed to cover all future possibilities, the WGESP has agreed to restrict itself to developing a working definition applicable to the cases where there already are claimed detections?” 9 . Definite ...
... Firstly, WGESP states that “rather than try to construct a detailed definition of a planet which is designed to cover all future possibilities, the WGESP has agreed to restrict itself to developing a working definition applicable to the cases where there already are claimed detections?” 9 . Definite ...
Atmospheric circulations of terrestrial planets orbiting low
... quantities are in cgs (centimeter, grams, seconds) units. Stars younger (older) than 4.5 byr will have smaller (larger) tidal locking radii. Results for stars of different masses are shown in Fig. 1. Within our own Solar System, Mercury avoids synchronous rotation even though it is within the Sun’s ...
... quantities are in cgs (centimeter, grams, seconds) units. Stars younger (older) than 4.5 byr will have smaller (larger) tidal locking radii. Results for stars of different masses are shown in Fig. 1. Within our own Solar System, Mercury avoids synchronous rotation even though it is within the Sun’s ...
KEPLER: Search for Earth-Size Planets in the Habitable Zone
... (a) The photometric requirement is to detect individual Earth-size (R = 1.0 R⊕ ) transits of 6.5 hrs (half of a central transit duration for a planet at 1 AU of a twelfth magnitude solar-like star with an SNR of greater than or equal to four, when all sources of noise (stellar variability, shot, and ...
... (a) The photometric requirement is to detect individual Earth-size (R = 1.0 R⊕ ) transits of 6.5 hrs (half of a central transit duration for a planet at 1 AU of a twelfth magnitude solar-like star with an SNR of greater than or equal to four, when all sources of noise (stellar variability, shot, and ...
Word Doc - CAASTRO
... their order from the Sun. 2. Measure out and tear off an arm span length of register paper. 3. At the very end of the paper, write the word “SUN” and at the other end, write “PLUTO” (note that Pluto is classified as a dwarf planet). 4. Fold the paper in half (so that SUN and PLUTO touch each other) ...
... their order from the Sun. 2. Measure out and tear off an arm span length of register paper. 3. At the very end of the paper, write the word “SUN” and at the other end, write “PLUTO” (note that Pluto is classified as a dwarf planet). 4. Fold the paper in half (so that SUN and PLUTO touch each other) ...
The Search for Extrasolar Earth-like Planets
... Searching for Earth-like Planets by their Gravitational Influence on the Parent Stars Searches for Earth-mass planets around nonsolar-type stars are underway [13] for short-period Earth-mass planets around the most common type of star: low-mass stars with masses of 0.06 to 0.5 times the mass of the ...
... Searching for Earth-like Planets by their Gravitational Influence on the Parent Stars Searches for Earth-mass planets around nonsolar-type stars are underway [13] for short-period Earth-mass planets around the most common type of star: low-mass stars with masses of 0.06 to 0.5 times the mass of the ...