... Club By-laws . ... Other Club Activities . ... Public Nights . ... Dr. James Green, NASA, Director Planetary Science will be our esteemed speaker on Tuesday, April 12, 2016 at 7:30 PM in Peyton Hall on the Princeton University campus. ... Our astronomers setup telescopes for public use at Communiversity in Princeton, Super Science Saturday at the NJ State Museum in Trenton and at various public events around Mercer County. ... Amateur Astronomers Association of Princeton, Inc., ...

Next: Star Formation Rate and Up: No Title Previous: Calculation of Evolutionary Tracks . To start calculations, we choose the distributions of the initial binary parameters: the mass of the primary ZAMS component, , binary mass ratio, , orbital separation a . ... whereas the mass ratio distribution is not. ... The zero assumption often made is that the mass ratio distribution has a flat shape, that is binaries with a high mass ratio occur as frequently as those with equal masses. ...

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Next: When the clock is Up: Keeping Time Previous: The hardware and software . In the Debian system, the system time zone is determined by the symbolic link /etc/localtime љ . ... If it is unset, the system time zone is assumed. ... The date љ command shows the current date and time. ... date љ is also used to set the kernel's software clock: # date 07142157 . ... While each user can have his own time zone, the clock is the same for everyone. date љ only shows or sets the software clock. ...

... Flux Sign Expo . ... 0.73 PHA . ... The map above is movable . ... Original shows mosaics with all data available. Flux map Error map Significance Exposure . Flux and error maps are in mCrab units. All maps are convolved with instrumental point spread function (PSF) which is Gaussian ( =5'). Exposure maps are in ksec. INTEGRAL/IBIS 9-year Galactic Hard X-Ray Survey* , A , Volume 545, id.A27 { NASA ADS | ... 7-year Galactic Bulge map , 2009 . 9-year Galactic survey , 2012 . ...

... Meteors and Meteorites . ... By admin August 2, 2011 Posted in: August . 13 August 2009: A perseid flashes through the sky (Image credit: Andreas M†ґller via wikimedia.org) . ... Not all meteors are sporadic events, the regular meteor showers occur when the Earth bulldozes through a great swarm of meteoroids drifting in orbit round the Sun. ... They are at their best in the pre-dawn hours, as the face of the Earth turning towards the Sun catches more meteors as the Earth moves through space. ...

The summary plot shows the monthly time distribution of all predicted magnetic conjugations between four spacecraft considered. ... To show the time of conjugation, in frame of the corresponding day for each SC the corresponding colour and line are used: . for the first SC the red color and the first line are used, . ... On the plot the SC names are shown by the corresponding colours. The summary plot permit to find the simultaneous magnetic conjugations of 3 and even 4 satellites. ...

Astrometry checks for HDFN, v i band, epochs 1, 2, 3 (2 exposures per epoch). n1i_flt1, n1i_flt2, n2i_flt1 . ... Matches are based on the closest object within 3 pixel radius, with a limiting magnitude difference of 0.3 mag; reference objects have i < 23 or v < 23.5. ... i band: . ... It was a serious concern because the objects where I noticed large differences in the scale lengths turned out to be objects whose centers were zapped in the i_band image. ... The v1.6 HDFN catalog looks fantastic." ...

11th of October 2015 . Neutral hydrogen distribution in M83 . ... Inspired by yesterday's ADAP of the Magnetic and gaseous spiral arms in M83 (Frick et al. 2015), here we show its neutral hydrogen distribution. Left) Large-scale moment-0 map of the extended HI gas distribution, constructed from mosaic data obtained with both the 21-cm multibeam system on the 64-m Parkes dish and the Australia Telescope Compact Array (ATCA). ... today * ATNF | ... ATCA | ...

... 4.09.2001 . ... Fast expanding gas clouds mark the end for a central star in the Rotten Egg Nebula. The once-normal star has run out of nuclear fuel, causing the central regions to contract into a white dwarf. Some of the liberated energy causes the outer envelope of the star to expand. Deimos: A Small Martian Moon . ... Mars has two tiny moons, Phobos and Deimos. ... AFGL 2591: A Massive Star Acts Up . ... Young star AFGL 2591 is putting on a show. ... Uranus: The Tilted Planet . ...

This collage shows images of six different galaxy clusters taken with NASA's Hubble Space Telescope and Chandra X-ray Observatory. The clusters were observed in a study of how dark matter in clusters of galaxies behaves when the clusters collide. ... Using visible-light images from Hubble, the team was able to map the post-collision distribution of stars and also of the dark matter (colored in blue), which was traced through its gravitational lensing effects on background light. ...

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2001 September 4 . 2dF Sees Waves of Galaxies . Credit: Matthew Colless ( ANU ) et al. , 2dF Galaxy Redshift Survey . ... The 2dF system measures galaxy redshifts , allowing astronomers to estimate distances to some of the millions of galaxies visible, and hence to make a three-dimensional map of the local universe. ... About APOD | ...

Neptunes in the Noise: Improved Precision in Exoplanet Transit Detection AimИe Hall , Simon Hodgkin , Gabor Kovacs and Don Pollacco 1 1 1 1 2 Institute of Astronomy, University of Cambridge 2 Department of Physics, University of Warwick Figure 2 (right): Distribution of radii of all known exoplanets (grey), with those from Kepler (green) and SuperWASP (blue) also shown. We present early results from a new analysis of raw data taken with the SuperWASP telescope[1]. ...

The first series of images refers to NGC 1672, a barred spiral. We present a gray scale V-band image to show the overall morphology, followed by an intensity map in H-alpha which shows how the H II regions are distributed, followed by the velocity map. ... Different colors refer to different velocities as the galaxy is rotating. ... The following image is an H-alpha intensity map of the spiral galaxy NGC 1292. ... This next image is an H-alpha intensity map of the spiral galaxy NGC 1406. ...

Microsymposium 34, MS059, 2001 A HIPSOMETRICAL FEATURES OF THE LUNAR SURFACE FROM THE CLEMENTINE MISSION. ... The lack of extensive mare basalt fill in the South Pole ­ Aitken Basin, despite the thin crust in this region, suggests hemispheric compositional asymmetry in the deep lunar interior [1]. ... According to new data, the depths of Mare Imbrium, Mare Frigoris, Mare Fecunditatis, Mare Moscoviense are 0.5 km deeper than previous results indicated. ... 1994) The Clementine Mission to the Moon. ...

... Alanna Connors (Eureka Sci), Pavlos Protopapas (IIC/CfA) . 18 Sep 2007 . ... Abstract: . ... Group . ... Spinning Stellar Black Holes . ... Our group has been pioneering the use of X-ray continuum fitting to measure black hole spins, and has published results on four black hole X-ray binary systems. ... 05 Feb 2008 . ... Lee, H. / Connors, A. / Protopapas, P. / McDowell, J., / Izem, R. / Blondin, S. / Lee, H. / Zezas, A., & Lee, H. / Liu, J.C. / van Dyk, D. / Rice, J. Fall/Winter 2007-2008 . ...

Next: Inverse transform Up: No Title Previous: Analysis of a . As pointed out earlier, if the data are periodic, Fourier analysis is best and there is no need for wavelet transforms. ... First, we show the graph of with its Mexican-hat wavelet transform (Fig 12). Figure 12: g2-wavelet map of showing the gradual shift to shorter durations. ... Figure 13: g2-wavelet map of a strongly modulated oscillation. ... Figure 14: g2-wavelet map of an intermittent signal. ...

Stellar population of the interacting galaxies M51. ... Stellar photometry of about one million stars in the system of the interacting galaxies M51 has been carried out on the basis of the ACS images of the Hubble Space telescope. ... A comparison of the stellar distribution in the main galaxy NGC 5194 with the empirical model of the distribution of stars showed their similarity, in spite of interaction in the system. ...

... Radiation mechanisms of astrophysical objects: classics today . ... S.A. Balashev, D.A. Varshalovich, A.V. Ivanchik, V.V. Klimenko , Ioffe Institute, Russian Federation . ... D.P. Barsukov, A.I. Tsygan , Ioffe Institute, Russian Federation . ... A.I. Kopylov, F.G. Kopylova , Special Astrophysical Observatory (SAO RAS), Russian Federation . ... F.G. Kopylova, A.I. Kopylov , Special Astrophysical Observatory (SAO RAS), Russian Federation . ... Conference poster . ... Slide shows and posters . ...

XMM-Newton CCF Release Note XMM-CCF-REL-192 EPIC MOS response S.F. Sembay, R.D. Saxton 19 August 2005 1 CCF components Name of CCF VALDATE EVALDATE Blocks changed XSCS ag EMOS1 REDIST 0057.CCF 2001-11-25 2002-05-01 CCD REDISTRIBUTION-n NO EMOS1 REDIST 0058.CCF 2002-05-01 2002-11-07 CCD REDISTRIBUTION-n NO EMOS1 REDIST 0059.CCF 2002-11-07 2004-01-01 CCD REDISTRIBUTION-n NO EMOS1 ... A core region centred on a point between the two boresights where EPIC-pn and RGS are prime. ...