. Next: The lighthouse model Up: A Tutorial on Radio Previous: Early searches at other . љ . The lighthouse model . Periods and period derivatives . The structure of neutron stars . The magnetic fields of neutron stars . Radio pulse characteristics . Optical and other high energy emission . The interstellar medium . Galactic population . Jon Bell . Thu Dec 19 15:15:11 GMT 1996

Detected Supernovae . The search have produced till now the detections of 4 SNe. ... This result highlights the power of infrared monitoring in detecting Obscured SNe and indicates that optical surveys are probably missing a significant fraction of SNe, especially in obscured systems such as starburst galaxies. ... In Fig. we show the archival SOFI image of NGC3256 (left) and the first image obtained in 2001 (right) where SN2001db has been detected. ...

0.05, the strengths of the M31 DIBs are analyzed with respect to the amount of dust, ultraviolet radiation field strength, and polycyclic aromatic hydrocarbon emission flux. Radial velocities and equivalent widths are given for the ЮЛ5780 and ЮЛ6283 DIBs toward 11 stars. Equivalent widths are also presented for the following DIBs detected in three sightlines in M31: ЮЛЮЛ4428, 5705, 5780, 5797, 6203, 6269, 6283, 6379, 6613, 6660, and 6993. ...

... 1996A .. 117.. 1S Part II, 180<l<240; . ... 369L Part III, 120<l<130, |b|<10; . ... Finally, we argue that the red-sensitive surveys (ESO R; POSS II-R, POSS II-IR) are the best suitable material for galaxy searches in the zone of avoidance. ... As the fifth part in our series of papers on galaxies in the "zone of avoidance" (ZOA) of the Milky Way we present 1346 new galaxy candidates discovered during a systematic search on Palomar Observatory Sky Survey (POSSI-E) red-sensitive prints. ...

... During the analysis of the surveys carried out on RATAN-600, it was found that almost one fifth of the detected sources shows significant radio flux variations. ... We used the data from "Cold" radio surveys carried out with RATAN-600 in 1980-1994 to search for radio sources with significant flux variability. ... On possibility of detection of variable sources using the data of Cold surveys carried out on RATAN-600. ... Detection of Variable Sources Using the Data of "Cold" Surveys. ...

... Flux density at 1 GHz (/Jy): 35? ... Radio: Incomplete shell, including wide `v' of emission to east with small flat-spectrum source at apex. ... X-ray: Pulsar detected, with faint extension. ... Molonglo at 408 MHz (3': S=38 Jy). ADS . ... Optical detection. ... Becker & Helfand 1985, Nature, 313, 115. ... 1985, MNRAS, 212, 975. Pulsar detection. ... 1991, MNRAS, 253, 7P. Pulsar and remnant association. ... Pulsar observations, including proper motion. ... 2001, ApJ, 562, L163. ...

... We present the results of our new observations of TYC 0075 01143 1, a recently discovered double-mode Scuti variable. We improved the frequencies and and pulsation amplitudes, detected the interaction frequencies , , and a possible nonradial frequency . ... The finding chart of TYC 0075 01143 1. ... Using our new observations of TYC 0075 01143 1, we improved the frequencies and , detected oscillations corresponding to interaction between and : and ; we also found a possible nonradial frequency . ...

... MASTER Net is 56 square degrees per 1 exposition . ... 06 Dec 2015: GRB 151205B: MASTER-NET early optical observations GCN18665 . ... 18 Nov 2015: GRB 151118A: MASTER-NET optical observations GCN18613 . ... 12 Nov 2015: GRB 151112A: MASTER-NET optical limit GCN18591 . ... 07 Nov 2015: GRB 151107A: MASTER-NET optical observations GCN18565 . ... 31 Oct 2015: Five OTs detected by Global Robotic MASTER Net ATel8232 . ... 02 Oct 2015: GRB 151001B: MASTER-NET early optical observations GCN18380 . ...

... These are the systems which contain compact components of different nature, white dwarf, neutron star or black hole. ... Pulsar appears during X-ray outbursts, but it does not manifest itself in the quiet state (Be stars, BQ Cam, V490 Cep); -falling of low -mass bodies on a compact object due to gravitational capture (a comet nucleus or a meteoroid ) in the detached system (V934 Her, V4641 Sgr). ... B1V-B2Ve star + neutron star & pulsar on the 20.85-day orbit Cep X-4 (ROSAT/PSPC) 1993 . ... 1000/ . ...

... Be/X-Ray Binaries and candidates in the LMC . ... This Einstein and ROSAT variable source was identified with a Be star by Schmidtke, Cowley, Frattare et al. ... This super-soft X-ray source was discovered with XMM-Newton ( Kahabka, Haberl, Payne & Filipovic (2006) ). ... The transient X-ray source RX J0529.8-6556 was detected during one single outburst as a 69.5-s X-ray pulsar by Haberl, Dennerl, Pietsch & Reinsch 1997) , who identified it with a relatively bright blue star showing weak H? emission...

... Gravitational wave search provides insights into galaxy evolution and mergers . ... milky way . ... Astronomy for Kids . ... Has dark matter ever been detected in or around the Milky Way Galaxy? ... While some scientists claim theyт??ve seen evidence of a т??windт?? of dark-matter particles, most members of the astronomy community believe this was a false detection and direct observation of this mysterious material hasnт??t happened yet. ... Get instant access to subscriber content on Astronomy.com!...

CONSTRAINING LONG-TERM AND SPATIAL VARIABILITY OF THE PN LOW ENERGY RESPONSE WITH RXJ1856 (IUSS Pavia; INAF, IASF-Milano) In collaboration with: N. Sartore, S. Mereghetti, A. De Luca, R. Turolla, F. Haberl Andrea Tiengo RX J1856.5-3754 (RXJ1856) Brightest of the "Magnificent Seven", or X-ray Dim Isolated Neutron Stars (XDINSs) (e.g. Turolla 2009 f or a review) The closest known neutron star: d ~120 pc (W alter et al. ... 2011) Why studying RXJ1856 variability? ...

... LX850 Series . ... Coronado€о Solar . SolarMax II Solar Telescopes . ... Double Stacking Units . ... Coronado SolarMax II 40mm Double Stacking Etalon with RichView tuning system . ... SolarMax II 40mm Double Stacking Etalon with RichView tuning system . ... Coronado by Meade SolarMax II 40mm Double Stacking Etalon with RichView tuning system. 40mm diameter primary H-Alpha etalon filter. ... Includes patented RichView tuning assembly allows direct tuning of the primary filter etalon. ...

NMW survey overview . Access image archive . ... The New Milky Way survey aims to detect bright (V<13.5) optical transients near the Galactic plane using an automated wide-field (8x6 deg.) system capable of surveying the whole Milky Way area visible from the observing site in one night. ... All images obtained during the transient search survey are available online (please use the image archive access form ). ... Images per field: . ... Images per night: . ... Milky Way imaging time: . ...

Astronomers Detect Coolest Radio Star . ... The new radio-star is much smaller and colder than our Sun.€а With a surface temperature not much higher than that of a giant planet, and a size comparable to JupiterтАЩs, it is scarcely visible in optical light.€а Yet the radio flares seen at Arecibo show it must have a strong magnetic field, implying that the same could be true of other similar stars. ...

... public class ProfilePlot . ... Creates a density profile plot of a rectangular selection or line selection. ... protected ImagePlus . ... protected double . ... Returns the profile plot y-axis max. static double . ... Returns the profile plot y-axis min. double . ... Displays this profile plot in a window. public double[] getProfile () . Returns the profile plot data. public double getMin () . ... Returns the calculated maximum value. public static void setMinAndMax (double min, double max) . ...

... 2010 October 25 . Water Ice Detected Beneath Moon's Surface . ... LCROSS , LRO , NASA . ... Pictured above from LRO, areas in false-color blue indicate the presence of soil relatively rich in hydrogen , which is thought likely bound to sub-surface water ice. ... How deep beneath the surface the ice crystals permeate is still unknown, as well as how difficult it would be to mine the crystals and purify them into drinking water . ... About APOD | ... NASA Web Privacy Policy and Important Notices . ...

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... The Kepler Short Cadence light curve of KIC 5474065 made in Q14. ... The rotational period of 2.47 days is clearly seen as are the short duration flares. In the left hand panel we zoom in on four flares. ... We compare the energy distribution of flares from KIC 5474065 with that of KIC 9726699, which has also been observed using 1 min sampling, and ground based observations of other M dwarf stars in the literature. ...

... This is a preliminary summary of the event on November 24, 1996, considered during the INTERBALL Workshop in Kiljavanranta, Finland, February 1998. ... Pronounced plasma sheet thinning (Bz decrease) . ... Particle burst observed inside the Polar Cap and in tail lobes . A short burst of particles detected by the Auroral Probe particle detectors during the Polar Cap crossing at 21:45 UT, almost simultaneously with the Tail Probe detectors registration of the particle burst inside the North Lobe. ...

OPTICAL IDENTIFICATIONS OF INTEGRAL / RXTE SOURCES WITH 1.5-METER OPTICAL TELESCOPE RTT150 I.Bikmaev (1,2), M.Revnivtsev (3,4) , R.Burenin (3) R.Sunyaev (3,4) , N.Sakhibullin (1,2) (1) Kazan State University, Kremlevskaya Str., ... 1, D-85741, Garching bei MЭnchen , Germany (3 (4) ABSTRACT We present the first results of our project on optical identifications of INTEGRAL / RXTE hard X-ray sources by using scientific instrumentations of the 1.5meter joint Russian-Turkish optical telescope RTT150. ...