Sentences with word «arcsec»

Full - res file is about 2506 megapixels (precisely 2.505.603.136 pixels) with a resolution of about 1 arcsec per pixel.

This spectrograph is characterized by a long slit field - of - view of ~ 50 arcsec with a spectral resolution is over 20,000.

[15] The closest recent approach was in February 2016, at 4.0 arcsec through 300 °.

It has three cameras, with different scales and fields of view, from 10 milliarcsec pixels and a 10 arc second field of view to a 40 milliarcsec / 40 arcsec field of view.

Here, there is hardly any light pollution: with a brightness of the sky of only 21.65 mag / arcsec ², you can see the Milky Way and sometimes even the Northern Lights — something almost impossible to see anywhere else in Germany.

Now this system is a double star, with a companion star 6 arcsecs away and 0.8 magnitudes fainter.

WISEP J004701.06 +680352.1 is moving at 0.44 $ arcsec / yr and lies relatively close to the Galactic Plane (b = 5.2 degrees).

The contrast one can reach with IRDIS is of the order of 2 \ times 10 ^ -LCB--6 -RCB- $ at 0.5 arcsec separation from the central star.

Its contrast of $ \ Delta H$ = 7.05 at 1.57 arcsec allowed us to guess the presence of a 35 \ MJup companion at 50 projected AU, for the nominal system age and heliocentric distance.To check whether it was gravitationally bound to the host star, as opposed to an unrelated background object, we re-observed the system one year later and concluded a high probability of a bound system.

The total measured detection efficiency including the sky, telescope and fiber transmission losses, the instrument and iodine transmission losses and detector quantum efficiency is 3.4 % under 1.5 arcsec seeing conditions, which is comparable to all of the echelle spectrometers for planet detection.

Figure 2: Comparing the pipeline's output for three different data sets with different arcsec / pixel scales.

Original file is 10.252 x 9.735 pixels with a resolution of about 1 arcsec per pixel.

An upgrade provided an integral field unit that can provide spectra everywhere across a small, 5.7 x 4.0 arcsec field.

Full - res file is about 1018 Megapixels with a resolution of about 1 arcsec per pixel.

Proper motions are expressed in smaller angular units than arcsec, being measured in milli - arcsec (mas.)

Abstract: We present deep and high - resolution (FWHM ~ 0.4 arcsec) near - infrared (NIR) imaging observations of the NGC 7538 IRS 1 - 3 region (in JHK bands), and IRS 9 region (in HK bands) using the 8.2 m Subaru telescope.

The median magnitude contrast over the 68 data sets is 11.26 and 9.25, in H and K, respectively, at 0.30 arcsec.

For example, in the size of the semi-major axis of the orbital ellipse will increasing by 0.03 arcsec per century.

[15][66] The observed maximum separation of these stars is about 22 arcsec, while the minimum distance is 1.7 arcsec.

The two stars of the binary Alpha Centauri AB are too close together to be resolved by the naked eye, as apparent angular separation varies over about 80 years between 2 and 22 arcsec (the naked eye has a resolution of 60 arcsec), [35] but through much of the orbit, both are easily resolved in binoculars or small 5 cm (2 in) telescopes.

Using t... ▽ More We present deep and high - resolution (FWHM ~ 0.4 arcsec) near - infrared (NIR) imaging observations of the NGC 7538 IRS 1 - 3 region (in JHK bands), and IRS 9 region (in HK bands) using the 8.2 m Subaru telescope.

or one - thousandth of an arcsec.

Observed stellar positions in 2010 are separated by 6.74 arcsec through the PA of 245.7 °, reducing to 6.04 arcsec through 251.8 ° in 2011.

The further application of the angular differential imaging procedure on these data should allow us to improve the contrast by one order of magnitude down to around 7 $ \ times $ $ 10 ^ -LCB--7 -RCB- $ at a separation of 0.3 arcsec.

A recent measurement (2017 March 23) in good weather conditions at 109.4 GHz yielded a FWHM beam of 6.7 arcsec and 6.4 arcsec in azimuth and elevation, respectively.

albopictus presence in the traps during any period of time was mapped to the native WorldClim 30 arcsec (approximately 1 × 1 km) grid.

Currently the most accurate distance estimate of WISE 1828 +2650 is a trigonometric parallax, measured using Spitzer Space Telescope and published in 2013 by Trent Dupuy and Adam Kraus: 0.070 ± 0.014 arcsec, corresponding to a distance 14.3 +3.6 − 2.4 pc, or 46.6 +11.6 − 7.8 ly.

Exosat was capable of observing an object (in the direct - pointing mode) for up to 80 hours and of locating sources to within at least 10 arcsec with the LEIT and about 2 arcsec with GSPC.

The seeing was 0.5 — 0.6 arcsec.