... Basic algorithms for the production of stellar photometry from CCD observations are described and reviewed. ... The problem of doing accurate stellar photometry with calibrated charge-coupled device (CCD) data amounts to that of condensing the intensity values of hundreds, thousands, or even millions of picture elements (pixels) into a list containing the magnitude and position of each star on the CCD image. ... Center an aperture of N A pixels on the star. ... PIXEL.LT.PEAKMAX)) THEN BINGO = .TRUE....

... This distance is equivalent to 3.26 light years. ... The Universe was now a large place and the intrinsic energy output of the stars had to be huge in order that their light could reach us. ... Newton implicitly assumes space is flat . ... An Orbit in Curved Space This is a prediction made by General Relativity and confirmed by direct observation of Mercury. The Ant Universe in Flat Space . ... Hubble noticed a correlation between recessional velocity and distance. ...

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . Transit Instrument by Thomas Jones. 1827. 3-inch aperture, 63 inches focal length. ... A small circle made by Mr. Gardner and divided by Mr. Grubb has been attached to the axis of the Transit. ... The pivots are 1" diameter, of bell-metal. ... The Transit Instrument and Jones Mural Circle were used by Robinson to compile the publication: "Places of 5345 Stars observed from 1828 to 1854 at the Armagh Observatory". ...

Revolution: 1840 . POS_1840_091225_183_00_0001.XMM . ... 2009-12-25 | ... PSF version: 1840_03.PSF . ... Slew: 1597 secs . ... Obs_dur: 26630 secs . ... 004: 25616 sec . ... 005: 25611 sec . ... 001: 25477 sec . ... 002: 25482 sec . ... 006: 7868 sec . ... 19:18:13 ... exp continues . ... 003: 21837 sec . ... 007: 7868 sec . ... 008: 7868 sec . ... Slew: 2618 secs . ... 003: 2293 sec . ... 001: 2153 sec . ... 002: 2133 sec . ... Obs_dur: 8900 secs . ... 004: 7886 sec . ... 005: 7881 sec . ...

For Astronomers: Finding a Partner Teacher . ... By now you've decided you want to start a Project ASTRO partnership, but you don't have a partner. ... When you contact a teacher, explain that you want to volunteer as a Project ASTRO astronomer and describe some of what you'd like to offer. ... Bring a copy of the Project ASTRO How-To Manual, The Universe at Your Fingertips, and other Project ASTRO resource materials you may have to a meeting with the school principal or classroom teacher. ...

HIP 936 22:00:42 -56:28:10 new #FR Clipped rms: 0.0091 Jy #FN ( 38 out of 68 channels) #MC xaxis: optical #MX Maximum: 0.163 Jy at 1904.868 km/s #MN Minimum: -0.017 Jy at 1757.985 km/s #NP Number of spectral points: 23 #CL Clipping inside range ( 0.000 , 0.000 ) Jy Moment: 0 1 2 #MM 18.985 1859.263 54.860 Robust moments: 0 1 2 #MR 17.627 1853.076 39.350 units : Jy km/s km/s km/s Width maximiser: 50% 20% #MXC Line centre : 1847.185 1848.786 #MXW ...

... Mix RF to 260mhz then 30Mhz Filter with 125Khz butterworth filter Down convert to baseband and complex sample at 10 microsecond sampling on one frequency Record 100 seconds of data 2. ... Figure 1a shows 100 seconds of 1350 Mhz data folded at 14104.83226 microseconds. ... Figure 2.a shows 100 seconds of data at 2781.678733 microseconds. ... Figure 6.a shows 100 seconds of data at 1300.5 Mhz folded with a period of 30098.49 microseconds. ... The 8 peaks are the 8 rotations of the radar in 100 seconds...

La nascita della moderna astronomia si pu far risalire alla fine XVIII secolo e agli inizi del XIX, con il lavoro di William Herschel. ... Nel 1872, quando viene fondato l Osservatorio di Arcetri, Donati, che fortemente lo volle, avava dato un notevolissimo contributo allo studio degli spettri stellari, ma anche aveva mostrato con lo spettroscopio a 25 prismi l esistenza di strani ponti di luce sulle macchie solari. ... Ogni luce pu essere dunque scomposta nel suo arcobaleno, ossia nel suo spettro. ...

... Armagh Goes Digital . ... Hotels . ... This four star hotel provides the largest hotel conference facility in Northern Ireland. The hotel overlooks the County Armagh Golf Club and the picturesque grounds of a 13th century Franciscan friary. Tel: +44 (0) 28 3751 8888 . ... Family-run hotel located in the Armagh City Centre, close to all the tourist amenities. Tel: 028 3752 2028 . ... Saint Patrick's Cathedral (Church of Ireland) . ... Tel: 028 3752 3142 . ... Tel: 028 3752 2802 . ...

home education > resources . ... Activities . ... Has an NSF-funded project called TYC21, which brings together regional groups of community college physics and astronomy instructors [see appendix , or consult the web site: http://www.aapt.org/programs/tyc21/tyc.html . ... National Radio Astronomy Observatory: . ... Project ASTRO's The Universe at Your Fingertips: An Astronomy Activity and Resource Notebook, 800+ pages of activities and resources for teachers at all levels, especially grades 4-12. ...

... Abstract Retrieve the current short error message, the explanation of the short error message, or the long error message. ... The choices are: The current short error message, the explanation of the short error message, or the current long error message. ... Most CSPICE short error messages have corresponding explanation text. ... Not all errors have long error messages. ... Get explanation text for the current short message and print it: ./ getmsg_c ( "EXPLAIN", MSGLEN, msg ); [Output message] . ...

... University history . ... V.љN. Karazin . ... University Presidents . ... Karazin university . ... Ivan S. Ryzhskyi . ... 09.1759 - 14 (26) .03.1811 . Philologist, at Kharkiv University: 1803 -1811. ... Philologist, at Kharkiv University 1818 - 1826. ... Philologist, at Kharkiv University:1819 - 1838. President: 1826 - 1829, 1833 - 1836. ... 1830. Philosopher, at Kharkiv University: 1812 - 1830. ... Doctor of Medicine, at Kharkiv University: 1820 - 1833. President: 1830 - 1833. ...

... Ciel Espace, le magazine qui vous guide toujours plus loin . ... Ciel Espace, nouvelle formule, c'est . des actualit†йs . ... des interviews, des portraits . les plus belles images de l'Univers d†йcrypt†йes pour vous . ... des pages consacr†йes †а la publication de vos photos Mais c'est aussi une vraie communaut†й avec laquelle partager votre passion et nourrir votre curiosit†й. Accueil Devenez une sentinelle du Soleil . ... 06/04/2016 - Le journal de bord de Thomas Pesquet (21) . ...