Sentences with phrase «photometry on»

Then we perform PSF photometry on globular cluster NGC 6397 and analyze the photometry and astrometry results.

Applying aperture photometry on the azimuthally averaged deconvolved PACS images and using a modified blackbody of the form Bν · λ − β, as expected for a grain emissivity Qabs ~ λ − β with β equal to 1.2 (representing amorphous carbon, Mennella et al. 1998), we derived a dust temperature between 108 ± 5 K at 20 ′ ′ and 40 ± 5 K at 180 ′ ′.

We showed that we could do photometry on 6,000 stars simultaneously.

Not exact matches

He was particularly intrigued by a presentation on transit photometry, a theoretical technique that would make it possible to bring those planets into view.

«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 VATT 1.8 m telescope's large aperture enables high - precision photometry even on the faintest EDEN / TS stars.

Following subtraction of the sky background from these frames, differential aperture photometry was carried out on Amalthea and a nearby field star.

PSO J060.3200 +25.9644 (a.k.a. DANCe J040116.80 +255752.2) was previously identified as a likely member of the Pleiades (age $ \ approx125 $ Myr) based on photometry and astrometry, but its VL - G gravity classification and near - infrared photometry imply a much younger age and thus point to Taurus membership.

Revising the properties of the associated planet candidates based on the updated host star characteristics and refitting the transit photometry, we find that our sample contains 20 planets or planet candidates with radii smaller than 1.25 Earth radii, 20 super-Earths (1.25 - 2 Earth radii), 20 small Neptunes (2 - 4 Earth radii), three large Neptunes (4 - 6 Earth radii), and eight giant planets (> 6 Earth radii).

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.

This brings the total number of KOIs and planet... ▽ More \ We present the sixth catalog of Kepler candidate planets based on nearly 4 years of high precision photometry.

Abstract: \ We present the sixth catalog of Kepler candidate planets based on nearly 4 years of high precision photometry.

The Ecliptic Plane Input Catalog (EPIC) provides coordinates, photometry and kinematics based on a federation of all - sky catalogs to support target selection and target management for the K2 mission.

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 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 their VL - G gravity classifications, the consistency of their photometry and proper motions with previously known Taurus objects, and the low probability of contamination by field objects.

For the next few years, at least, astronomers will still rely on transit photometry to observe these exoplanets.

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.

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.

Abstract: The Kepler Mission relies on precise differential photometry to detect the 80 parts per million (ppm) signal from an Earth - Sun equivalent transit.

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).

Abstract: 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).

The Minor Planet section of the BAA handbook has been expanded to include data on; brighter asteroids, astrometry, occultations, photometry and NEO close approaches.

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.

The catalog is based on a compilation of literature values for atmospheric properties (temperature, surface gravity, and metallicity) derived from different observational techniques (photometry, spectroscopy, as... ▽ More We present revised properties for 196,468 stars observed by the NASA Kepler Mission and used in the analysis of Quarter 1 - 16 (Q1 - Q16) data to detect and characterize transiting exoplanets.

Observations of blue and red calibration standards measured at various positions on the detector (Bohlin et al. 2017) confirm the fidelity of the F814W flat, with aperture photometry consistent to ~ 1 % across the FOV, regardless of spectral type.

The catalog is based on a compilation of literature values for atmospheric properties (temperature, surface gravity, and metallicity) derived from different observational techniques (photometry, spectroscopy, asteroseismology, and exoplanet transits), which were then homogeneously fitted to a grid of Dartmouth stellar isochrones.

Abstract: We present the characterization of the Kepler - 93 exoplanetary system, based on three years of photometry gathered by the Kepler spacecraft.

Two different approaches are applied to reduce the Herschel data to investigate the impact of data reduction on the photometry.