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The Astronomer's Telegram News

ATel 3910: Swift follow-up observation of the detection of a gamma-ray enhanc... 3 Feb 2012 at 9:18am  Following the AGILE/GRID detection of a gamma-ray enhanced emission from the FSRQ PKS 1510-089 (Verrecchia et al. 2012, ATel #3907), we performed a Swift target of opportunity observation. ... Read more... ATel 3909: Swift observation of PSN J03220535-1523156 2 Feb 2012 at 11:33am  PSN J03220535-1523156 is a peculiar type Ia supernova that exploded in NGC 1309 (Cenko, Atel #3901, Atel #3900) at a distance of 28 Mpc (from NED). A Swift ToO was executed starting from 2012-02-02T04:33:51 UT. ... Read more... ATel 3908: La Silla-QUEST Detection and GMOS Spectroscopy of Type Ia SN-LSQ12ca 2 Feb 2012 at 7:36am  We report the discovery of a Type Ia SN on January 15.104 (when the variable was at magnitude R = 19.5), as part of the La Silla-QUEST (LSQ) transient survey. ... Read more... ATel 3907: AGILE detects enhanced gamma-ray emission from the FSRQ PKS 1510-089 2 Feb 2012 at 4:41am  AGILE is detecting enhanced gamma-ray emission above 100 MeV from a position consistent with the flat spectrum radio quasar PKS 1510-089 (also known as BZQ J1512-0905, coordinates: R.A. ... Read more... ATel 3906: Follow-up observations of MASTER J113122.95-075714.5 2 Feb 2012 at 1:34am  The rapid transient MASTER J113122.95-075714.5 was found on two synchronous images at 17.6 mag (white light) on Jan. 30, 2012 00:05 UT, with non-detections (fainter than 19.4) about 45 min earlier (Balanutsa et al. ... Read more... ATel 3905: Discovery of a new nova candidate in M31 1 Feb 2012 at 8:55pm  We report discovery of a new nova candidate--PTF12ahb from PTF daily monitoring of M31. The candidate is located at RA(J2000)=00:41:46.70 DEC(J2000)=+40:15:06.1 with a R-band magnitude of 19.1 on Feb 01.117. ... Read more... ATel 3904: Fermi LAT detection of a GeV flare from a possible new extragalact... 1 Feb 2012 at 1:47pm  The Large Area Telescope (LAT), on board the Fermi Gamma-ray Space Telescope, has observed a gamma-ray flare from a new gamma-ray source on January 29, 2012. ... Read more... ATel 3903: PSN J04502783-0329245 is a type IIn supernova 1 Feb 2012 at 8:22am  We report that a spectrogram of PSN J04502783-0329245 obtained on Jan. 30.90 UT with the Asiago 1.82-m Copernico Telescope (+ AFOSC; range 350-820 nm; resolution 2.4nm), suggests that it is a type-IIn supernova. ... Read more... ATel 3902: Flaring activity and cyclotron line in GX 304-1 observed with INTE... 1 Feb 2012 at 3:43am  The INTEGRAL monitoring of the on-going outburst of the transient accreting pulsar GX 304-1 with a Be optical companion revealed strong flaring activity with X-ray flux variations by a factor of ~2 on a time scale of ~1 hour (18-80 keV). ... Read more... ATel 3901: PSN J03220535-1523156 is a peculiar type Ia supernova 1 Feb 2012 at 2:57am  We report that inspection of a CCD spectrum (range 340-1000 nm) obtained on Feb. 1 UT with the 3-m Shane reflector (+ Kast) at Lick Observatory shows that PSN J03220535-1523156 (ATEL#3900) is a peculiar type Ia supernova about a week before maximum light. ... Read more...

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