Supernova 2009js in NGC 918 . This page is devoted to information on Supernova 2009js in NGC 918 . Basic information on this SN, including the last reported brightness, on this Supernova can be found on the main page . Information on the original web pages for many of these images can be found on the updates and links web pages. Discovered independently by Lick Observatory Supernova Search (USA) and Koichi Itagaki (Japan). ... 2009/10/11.44 . 17.2 . ... Joseph Brimacombe . ...

... This is a partial list of the Extragalactic Novae discovered in 2002. Current Novae can be found on the main page . Nova NGC 2403 2002 , ATEL 1638 , discovered 2002/12/30.124 by K. Hornoch . Found in NGC 2403 at R.A. = 07h37m38s.36, Decl. ... Nova M31 2002 6 , IAUC 7970 discovered 2002/08/04.13 by K. Hornoch . ... Nova M31 2002 5 , IAUC 7937 discovered 2002/07/22.5 by LOTOSS . ... Nova M31 2002 4 , IAUC 7937 discovered 2002/07/20.5 by LOTOSS ; Observatory G. Colombo . ...

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. ...

... A millisecond pulsar. ... M. Bailes, P. A. Harrison, D. R. Lorimer, S. Johnston, A. G. Lyne, R. N. Manchester, N. D'Amico, L. Nicastro, T. M. Tauris, and C. Robinson. ... M. Bailes, S. Johnston, J. F. Bell, D. R. Lorimer, B. W. Stappers, R. N. Manchester, A. G. Lyne, N. D'Amico, and B. M. Gaensler. Discovery of four isolated millisecond pulsars. ... S. Johnston, D. R. Lorimer, P. A. Harrison, M. Bailes, A. G. Lyne, J. F. Bell, V. M. Kaspi, R. N. Manchester, N. D'Amico, L. Nicastro, and S. Jin. ...

... We have compiled the Catalogue of extragalactic supernovae using the GCVS card catalogue. ... Doubtful (?), or rejected (-) SN 8 A1 --- RemFlag [*] The '*' indicates a remark in sn_rem.dat 10- 19 A10 --- Gal Parent galaxy designation 21- 22 I2 h RAh Right Ascension 1950 of Parent galaxy 23- 24 I2 min RAm Right Ascension 1950 (minutes) 25- 28 F4.1 s RAs Right Ascension 1950 (seconds) 29 A1 --- DE- Declination 1950 (sign) 30- 31 I2 deg DEd Declination 1950 of Parent ...

Stellarium 0.12.3 . ... Classes . ... Supernova Class Reference . ... Supernova (const QVariantMap &map) . ... Get a QVariantMap which describes the supernova. ... getSelectPriority (const StelCore *core) const . ... getInfoString (const StelCore *core, const InfoStringGroup &flags) const . ... getVMagnitude (const StelCore *core, bool withExtinction=false) const . ... getAngularSize (const StelCore *core) const . ... getPositionInfoString (const StelCore *core, const InfoStringGroup &flags) const . ...

... References: A-G . ... Inglis, David Rittenhouse, Dynamo Theory of the Earth's Varying Magnetic Field, Rev. Mod. ... Rev. 85, 512, 26 Sept. 1919b. Larmor, Sir Joseph, "Possible rotational origin of magnetic fields of Sun and Earth", Engineering, 108 461, 3 Oct. 1919c. Larmor, Sir Joseph, "Possible rotational origin of magnetic fields of Sun and Earth", Reprinted and supplemented by a 1927 note, p. 611-612 in Mathematical and Physical Papers by Sir Joseph Larmor, vol 2, Cambridge University Press 1929...

MASTER OT J035815.59+214117.9 discovery - dwarf nova outburst MASTER-Kislovodsk auto-detection system discovered OT source at (RA, Dec) = 03h 58m 15.59s +21d 41m 17.9s on 2015-11-18.89742 UT. The OT unfiltered magnitude is 17.1m (limit 18.1m). The OT is seen in 3 images. There is no minor planet at this place. We have reference image without OT on 2010-12-03.85624 UT with unfiltered magnitude limit 20.2m. Spectral observations are required.

... Discovery of 47-s pulsations in the X-ray source 1RXS J225352.8+624354 / arXiv:1305.3439 , May 2013 . ... Optical spectroscopy of X-ray source IGR J22534+6243 / Atel # 4248 . ... Search for counterparts of newly discovered INTEGRAL/IBIS sources / Atel # 4166 . New INTEGRAL Galactic Plane Survey in SkyView / blog . Likely X-ray counterparts of newly discovered INTEGRAL/IBIS sources / Atel # 4165 . AGN in the INTEGRAL/IBIS 9-year Galactic hard X-ray survey / Atel # 4151 . ...

Next: Large Scale Clustering in the Universe - A Package of Codes . ... The discovery of a correlation between the light curve shape and intrinsic brightness has made Type Ia supernovae exceptionally accurate distance indicators out to cosmologically interesting redshifts. ... But supernovae are relatively rare events. ... Type Ia supernovae make excellent distance indicators, so these events at high redshift can be used to map out the history of the expanding Universe. ...

. True Color Image Gallery: Galactic SNR | Magellanic Cloud SNR . left: radio image . right: chandra x-ray image with radio contour lines . Brogan et al. 2006 , ApJ, 639, L25 : radio discovery . Helfand et al. 2007 , ApJ, 665, 129 : Chandra observation . Back to G012.8-00.0 Index . Chandra Supernova Remnant Catalog . Main Page | Galactic SNR | Magellanic Cloud SNR . True Color Image Gallery: Galactic SNR | Magellanic Cloud SNR .

2014 May version . ... Green D. A., 2014 , Bulletin of the Astronomical Society of India, 42 , 47-58. ( .pdf , or arXiv.org:1409.0637 ) If you make use of the detailed version of the catalogue, then plaese also cite: . Green D. A., 2014, `A Catalogue of Galactic Supernova Remnants (2014 May version)' , Cavendish Laboratory, Cambridge, United Kingdom (available at "http://www.mrao.cam.ac.uk/surveys/snrs/" ). ... Copyright D. A. Green 2014. 25872nd access to this version of the catalogue. ...

... J5: Radio and Radar Studies of the Solar System. ... Analogously, the key idea of the USSR (United Solar System Radar) concept would be the thousandfold increase in sensitivity over existing radar astronomy facilities, and besides, only the tenfold increase in transmitting power and collecting areas of transmitting and receiving antennas is necessary for this purpose. ... So, let us try to imagine the scientific impact, which would provide this United Solar System Radar. ... 3)  Asteroid's moons; . ...

... Saturn is the sixth planet from the Sun , and the second largest in the solar system . Saturn's most distinctive feature is its ring system . ... Saturn has an internal magnetic field with a dipole aligned with the rotation axis (Ness et al., ... The solar wind and Saturn's rings and satellites supply the particles that are trapped in the radiation belts. ... Between the inner and outer satellites orbits Titan, Saturn's largest moon (larger than the planet Mercury ). ... Res., ...

Astronomy Picture of the Day . Discovery Image: Comet SOHO (1998 J1) . ... Credit Copyright: SOHO - LASCO Consortium , ESA , NASA Explanation: Staring at the Sun from a vantage point in space ( Kids , don't try this at home!), the Solar and Heliospheric Observatory ( SOHO ) has enabled the discovery of much about our closest star. ... While not competing with Hale-Bopp , one of SOHO's recently discovered comets has proved to be bright enough to see with the unaided eye. ... Bright Comet SOHO ...

Astronotes Armagh Planetarium's Stellar Blog! ... As example you have only to look at the recent discovery of a supernova by Irish astronomer David Grennan . ... The last confirmed supernova in the Milky Way to be observed was in 1604 (known to history as Kepler ?s Star; it was bright enough to be seen in the daytime sky). €а Ever since then all supernovae examined by astronomers have been denizens of other galaxies. ... Tweets that mention Supernova spotted by Irish astronomer -- Topsy.com . ...

... There is also an edge-on view of the asteroid belt here . This video was created by Scott Manley. ... View of the solar system showing the locations of all the asteroids starting in 1980. ... Notice how the pattern of discovery follows the Earth around its orbit. ... At the beginning of 2010 a new discovery pattern becomes evident, with discovery zones in a line perpendicular to the Sun-Earth vector. ... An edge-on view of the asteroids . ... Other asteroid and comet animations by Scott Manley . ...

... Bad Astronomy . ... Bitesize Astronomy . ... Hey, it's either this or one of those really irritating PayPal donation buttons here. ... I have always loved supernovae, stars that explode. ... Late in the evening of February 23 rd /24 th * , 1987, an astronomer named Ian Shelton was taking images of the Large Magellanic Cloud (LMC), a satellite galaxy of the Milky Way. ... Shortly thereafter, Ian Shelton developed the plates he had been taking of the LMC and immediately saw the new star. ...

Integrated pulse profiles in EPN format There are presently 606 pulsars and 2741 profiles in the database. ... References acj+96---Anderson, S., Cadwell, B. J., Jacoby, B. A., Wolszczan, A., Foster, R. S. & Kramer, M., 1996. 143­ms Radio Pulsar in the Supernova Remnant S147. ... J., 422, 671--680. bjb+97---Bailes, M., Johnston, S., Bell, J. F., Lorimer, D. R., Stappers, B. W., Manchester, R. N., Lyne, A. G., D'Amico, N. & Gaensler, B. M., 1997. Discovery of four isolated millisecond pulsars. ...

... The effect is strongest in the most evolved, high-latitude supergiant V5112 Sgr=IRAS19500-1709, which has an extended structured envelope (Figs.1 and 2). In the optical spectrum of this object, the BaII ion lines are split into three components (Figs.3 and 4). ... Thus, we discovered for the first time the enrichment of the stellar envelope with heavy metals produced at the AGB stage. ... Detection of heavy-metal lines in the spectrum of the circumstellar envelope of a post-AGB star. ...