Sentences with phrase «photometry with»

Combining these new images and photometry with ancilliary data from the literature, we undertook simultaneous multi-wavelength modelling of the discs» radial profiles and spectral energy distributions using three different methodologies: single annulus, modified black body, and a radiative transfer code.

The results are the first from The Kepler Cluster Study which combine Kepler's photometry with ground - based spectroscopy for cluster membership and binarity.

Here we combine K2 photometry with spectroscopy, adaptive optics imaging, and archival survey images to analyze two small planets orbiting the nearby, field age, M dwarfs K2 - 26 (EPIC 202083828) and K2 - 9.

Not exact matches

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.

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 ′ ′.

Contemporaneous photometry in the optical and near - IR reveals a weaker modulation, but consistent with the X-ray period.

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.

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

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).

For most of the candidates (85 %), the transit depths measured with Kepler are consistent with the depths measured with Spitzer as expected for planetary objects, while we find that the most discrepant measurements are due to the presence of unresolved stars that dilute the photometry.

The occultation photometry timing is consistent with a circular orbit, at e < 0.01 (1 -LCB- \ sigma -RCB--RRB-, and e < 0.09 (3 -LCB- \ sigma -RCB--RRB-.

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.

Our followup spectroscopy has identified two new companions as well as confirmed two companions previously identified from photometry, with spectral types of M7.5 - M9 and masses of ~ 15 - 60 Mjup, indicating a frequency for such wide substellar companions of ~ 0.6 + / -0.3 %.

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.

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.

The novelty here is the very regular sampling with the simultaneous multi-colour photometry.

We recently obtained new photometry of the four planets and low - resolution (R ~ 30) spectra of HR8799 d and e with the SPHERE instrument (paper III).

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.

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.

Follow - up radial velocity measurements with th... ▽ More We present 44 days of high duty cycle, ultra precise photometry of the 13th magnitude star Kepler - 5 (KIC 8191672, Teff = 6300 K, logg = 4.1), which exhibits periodic transits with a depth of 0.7 %.

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.

The object was discovered using Gemini - South and followed - up with Gemini - North spectroscopy and CFHT photometry.

The velocities are indeed noisy, with scatter of 30 m s ^ -1, but exhibit a period and phase consistent with the planet implied by the photometry.

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.

TrES - 5 orbits one of the faintest stars with transiting planets found to date from the ground and demonstrates that precise photometry and followup spectroscopy are possible, albeit challenging, even for such faint stars.

Combined with resolved near - infrared photometry and spectroscopic accretion diagnostics, we find that ~ 10 % of stars with a mid-infrared excess do not appear to be accreting.

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.

This variation has a period and phase consistent with our transit photometry.

High - precision radial - velocity measurements confirm a sinusoidal variation with the period and phase predicted by the photometry, and rule out the presence of line - bisector variations that would indicate that the spectroscopic orbit is spurious.

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.

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.

The characteristics of the host star are well constrained by high - resolution spectroscopy combined with an asteroseismic analysis of the Kepler photometry, leading to an estimated mass and radius of 0.970 + / - 0.060 M... ▽ More A search of the time - series photometry from NASA's Kepler spacecraft reveals a transiting planet candidate orbiting the 11th magnitude G5 dwarf KIC 10593626 with a period of 290 days.

This range in Teff is compatible with all observational constraints, including near - infrared photometry and bolometric luminosity.

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.

Abstract: A search of the time - series photometry from NASA's Kepler spacecraft reveals a transiting planet candidate orbiting the 11th magnitude G5 dwarf KIC 10593626 with a period of 290 days.

Their optical and near - IR photometry, as well as their proper motion, are consistent with them being cluster members.

This together with his expertise, particularly in the field of photometry, makes him eminently suitable for the position of Director.

Herschel / PACS observations at 100 and 160 micron complemented with data at 70 micron, and at 250, 350 and 500 micron SPIRE photometry, were obtained.

Batalha is responsible for the selection of the more than 150,000 stars the spacecraft monitors and works closely with team members at Ames to identify viable planet candidates from Kepler photometry.