Sentences with phrase «photometry in»
We then find the distance and extinction that best fit the observed photometry in SDSS, 2MASS, and WISE passbands.
https://arxiv.org/
To assist in exploring the possibility that they are due to an astrophysical false positive, we describe a procedure (BLENDER) to model the photometry in terms of a «blend» rather than a planet orbiting a star.
The companion was clearly visible both with IRDIS and IFS.We obtained photometry in four different bands as well as the astrometric position for the companion.
For these studies we use the high - precision time - resolved Hubble Space Telescope near - infrared spectroscopy and Spitzer Space Telescope photometry in multiple programs.
Contemporaneous photometry in the optical and near - IR reveals a weaker modulation, but consistent with the X-ray period.
For the brighter targets, CoRoT provides photometry in 3 different uncalibrated «colors» that can be used to reject planet candidates.
Not exact matches
«William Borucki, of the NASA Ames Research Center in Mountain View, California,» won the astronomy prize for «conceiving the observational technique of transit photometry that raised the tantalizing prospect of sighting Earth - like planets orbiting other stars, and [for] leading the 25 - year - long development of the Kepler mission.»
Called photometry, it detects the slight but regular dimming in a star's light when a planet transits in front of it.
«Thus far, solutions based on incandescent lamps have been used in photometry, i.e. in measuring light detected by the human eye,» explains Tomi Pulli, a doctoral student at Aalto University.
The Physikalisch - Technische Bundesanstalt (PTB) has now developed a mathematical procedure which yields clearly improved results and can be applied in numerous fields of radiometry and photometry.
William Borucki, of the NASA Ames Research Center in Mountain View, California, has captured the astronomy prize for two achievements: conceiving the observational technique of transit photometry that raised the tantalizing prospect of sighting Earth - like planets orbiting other stars, and leading the 25 - year - long development of the Kepler mission, which in 2009 placed a telescope in space to make those observations.
The photometry is obtained from onboard aperture photometry by means of large aperture masks, with a size and shape adapted to the large psf of its exoplanet focal plane, where 50 % of the flux is contained in an elliptical area of about 35 23.
(See a CCD field image of CM Draconis and comparison stars used in differential photometry from the Transits of Extrasolar Planets — TEP — Network of astronomers.)
Research interests: the design, construction, and operation of robotic telescopes in support of automated astronomy, the development of automated high - precision photometry
Hubble photometry of one of the three galaxy groups identified at z ~ 8, with the galaxies in the image labeled with their corresponding approximate photometric redshifts.
«Multicolour UBVRI photometry of stars in M 17», Astronomy and Astrophysics, Vol.
Research interests: automated astronomy with robotic telescopes, high - precision photometry, luminosity and magnetic cycles in solar - type stars, the search for extrasolar planets, chromospherically active stars, pulsating variable stars More
We identify PSO J060.3200 +25.9644 (near - infrared spectral type L1) and PSO J077.1033 +24.3809 (L2) as new members of Taurus based on... ▽ More We present the discovery of eight young M7 - L2 dwarfs in the Taurus star - forming region and the Scorpius - Centaurus OB Association, serendipitously found during a wide - field search for L / T transition dwarfs using Pan-STARRS1 (optical) and WISE (mid-infrared) photometry.
Using the very high precision Kepler photometry, and follow - up observations, our confidence that these signals re... ▽ More We present the discovery of a super-earth-sized planet in or near the habitable zone of a sun - like star.
The initial transit signal was identified in KELT - North survey data, and the planetary nature of the occulter was established using a combination of follow - up photometry, high - resolution imaging, high - resolution spectroscopy, and precise radial velocity measurements.
The planets are mostly smaller than Neptune (21/26 planets) as in the Kepler mission and all have short periods ($ P < 50 $ d) due to the duration of the K2 photometry.
The rotation periods delineate a tight sequence in the NGC6811 color - period diagram from ~ 1 day at mid... ▽ More We present rotation periods for 71 single dwarf members of the open cluster NGC6811 determined using photometry from NASA's Kepler Mission.
Abstract: We use the optical and near - infrared photometry from the Kepler Input Catalog to provide improved estimates of the stellar characteristics of the smallest stars in the Kepler target list.
Up to 10 data points could be obtained for Barnard's star on some selected nights, but a lot of scatter appears in the photometry of the last 2 weeks, probably due to the non-photometric conditions.
We identified the initial transit signal in the KELT - North survey data and established the planetary nature of the companion through precise follow - up photometry, high - resolution spectroscopy, precise radial velocity measurements, and high - resolution adaptive optics imaging.
Our catalog contains nearly all known objects of spectral types L0 - T2 in the PS1 field, with objects as early as M0 and as late as T9, and includes PS1, 2MASS, AllWISE, and Gaia DR1 photometry.
We combine the estimate of Teff and [Fe / H] with an estimate o... ▽ More We present the discovery of the Kepler - 19 planetary system, which we first identified from a 9.3 - day periodic transit signal in the Kepler photometry.
In this paper, we present stellar parameters from K and M dwarfs hosting transiting planet candidat... ▽ More The NASA K2 mission uses photometry to find planets transiting stars of various types.
Abstract: We present the discovery of the Kepler - 19 planetary system, which we first identified from a 9.3 - day periodic transit signal in the Kepler photometry.
We have also discovered six M7 - L1 dwarfs in outlying regions of Scorpius - Centaurus with photometry, proper motions, and low - gravity spectral signatures consistent with membership.
Kepler measures the size of planets and their distance from stars using a technique known as transit photometry, in which the telescope watches for small decreases in the light visible from specific stars, indicating that a planet has passed in front.
In this paper (paper IV), we compare the available spectra and photometry of the planets to known objects and atmospheric models (BT - SETTL14, Cloud - AE60, Exo - REM) to characterize the atmospheric properties of the planets.
We evaluated the expected error in astrometry and photometry as a function of the signal to noise of companions, after spectral differential imaging (SDI) reduction for IRDIS and spectral deconvolution (SD) or principal component analysis (PCA) data reductions for IFS.
The data returned from Kepler are unique in terms of the number of stars observed, precision of photometry for time series observations, and the temporal extent of high duty cycle observations.
Abstract: The Kepler Mission, launched on Mar 6, 2009 was designed with the explicit capability to detect Earth - size planets in the habitable zone of solar - like stars using the transit photometry method.
The extreme IR source crowding in the field means that it is not possible to establish the authenticity of the matches with astrometry and photometry alone.
Many as... ▽ More The Kepler Mission, launched on Mar 6, 2009 was designed with the explicit capability to detect Earth - size planets in the habitable zone of solar - like stars using the transit photometry method.
The photometry and radial velocity observations suggested that the candidate was an object of substellar mass in orbit around an F star.
Two distinct sets of transit events were detected: 1) a 152 + / - 4 ppm dimming lasting 1.811 + / - 0.024 hours with ephemeris T [BJD] = 2454964.57375 + N... ▽ More NASA's Kepler Mission uses transit photometry to determine the frequency of earth - size planets in or near the habitable zone of Sun - like stars.
Of these candidates, 219 are new in this catalog and include two new candidates in multi-planet systems (KOI - 82.06 and KOI... ▽ More We present the Kepler Object of Interest (KOI) catalog of transiting exoplanets based on searching four years of Kepler time series photometry (Data Release 25, Q1 — Q17).
We detected the transit light - curve signature in the course of the TrES multi-site transiting planet survey, and confirmed the planetary nature of the companion via multicolor photometry and precise radial velocity measurements.
We use broadband photometry and asteroseismology to characterize 11,532 Kepler targets which were previously unclassified in the Kepler Input Catalog (KIC).
The success of the photoelectric photometry of asteroids with the buoyant interest in visual work encouraged Council to create a new Section so, in June 1984, the Minor Planets Section was formed with Andrew Hollis as Director and Richard Miles as Assistant Director.
A skillful visual observer he was one of the pioneering few during the 80's in applying photoelectric photometry to the study of stars, asteroids and planetary satellites.
Members make a significant contribution to the understanding of asteroids particularly in the fields of astrometry and lightcurve photometry.
We use spectroscopic data from a variety of large surveys combined with infra - red photometry from 2MASS and AllWISE and compare these in a Bayesian manner with PARSEC isochrones to derive probability density functions (PDFs) for stellar masses, ages and distances.
Considering two different cluster ages (100 and 150 Myr), we selected cluster member candidates on the basis of their location in the (I,I - z) CMD relative to the isochrones, and estimated the contamination by foreground late - type field dwarfs using statistical arguments, infrared photometry and low - resolution optical spectroscopy.
This range in Teff is compatible with all observational constraints, including near - infrared photometry and bolometric luminosity.
As of DR6, PSF photometry uses the same PSF models (and sky background subtraction) for zeropoint - fitting as is later used in cataloging.
Their optical and near - IR photometry, as... ▽ More We present the results of a search for brown dwarfs (BDs) and very low mass (VLM) stars in the 625 Myr - old, metal - rich -LRB-[Fe / H] = 0.14) Hyades cluster.