atelNum int64 55 15.2k | title stringlengths 19 178 | authors stringlengths 15 843 | body stringlengths 116 3.9k | submissionDate stringlengths 19 19 | keywords stringlengths 10 173 | submissionDay stringlengths 10 10 | submissionTime stringlengths 8 8 | embedding sequence | idx int64 0 299 |
|---|---|---|---|---|---|---|---|---|---|
4,363 | PTF SN discovery report, September 8, 2012 | A. Gal-Yam (WIS), P. Nugent (LBNL), E. Walker (Pisa) and S. B. Cenko and O. Fox (UCB) report for the PTF | The PTF (ATEL #1964, #3253; http://www.astro.caltech.edu/ptf ; Law et al. 2009, PASP, 121, 1395; Rau et al. 2009, PASP, 121, 1334) reports the discovery of 8 new supernovae. PTF discoveries are made by autonomous PTF software (Bloom et al. 2011, http://adsabs.harvard.edu/abs/2011arXiv1106.5491B ), as well as by the Galaxy Zoo Supernova Project (Smith et al. 2011, MNRAS, 412, 1309; http://supernova.galaxyzoo.org ). | 2012-09-09 04:26:00 | optical,supernovae | 2012-09-09 | 04:26:00 | [
-0.5198682546615601,
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4,145 | Swift J1910.2-0546: Swift localization of a bright X-ray and optical counterpart | J. A. Kennea (PSU), H. A. Krimm (CRESST/GSFC/USRA), S. T. Holland (CRESST/GSFC/USRA), S. D. Barthelmy (GSFC), W. Baumgartner (CRESST/GSFC/UMBC), J. Cummings (CRESST/GSFC/UMBC), N. Gehrels (GSFC), C. B. Markwardt (GSFC), D. Palmer (LANL), T. Sakamoto (CRESTT/GSFC/UMBC), G. Skinner (CRESST/GSFC/UMD), M. Stamatikos (OSU/GSFC), J. Tueller (GSFC), T. Ukwatta (MSU) | We report on Swift follow-up observations of Swift J1910.2-0546 (e.g. ATEL #4139, ATEL #4140) with the Swift X-ray Telescope (XRT). On June 1st at 14:41UT Swift began a target of opportunity observation of the BAT error circle of Swift J1910.2-0546, the XRT was configured into Photon Counting (PC) mode in order to obtain an accurate localization. We detect a very bright, uncatalogued X-ray source at the following location: RA/Dec (J2000) = 287.59491 , -5.79943, which is equivalent to: RA(J2000) = 19h 10m 22.78s Dec(J2000) = -05d 47ââ¬Â² 58.0ââ¬Â²Ã¢â¬Â²,
with an estimated uncertainty of 3.5 arc-seconds radius (90% confidence). This position lies 1.6 arc-seconds from the optical/IR counterpart reported by Rau et al. (ATEL #4144), confirming that the counterpart is indeed Swift J1910.2-0546.
The pile-up corrected PC mode spectrum can be well fitted by an absorbed power-law model, with NH = 4.8 +/- 0.2 x 1021 cm-2, and a photon index of 3.3 +/- 0.1. The spectrum is not well fitted by an absorbed disk blackbody model, however a combination disk blackbody plus power-law model does improve the fit over a simple power-law. Using this model we derive the following parameters: NH = 2.9 +/- 0.4 x 1021 cm-2, kTin = 0.39 +/- 0.04 keV, Photon Index = 2.1 +/- 0.4. The source flux in the 0.3-10 keV band is 4.6 +/- 0.1 x 10-9 erg/s/cm2 (uncorrected for absorption). Pile-up corrected spectra were extracted using the methods described by Evans et al (2009, MNRAS, 2009, 397, 1177).
UVOT observed the field in the b filter. We detect a new point source inside the XRT error circle, and co-incident with the IR counterpart with magnitude b=16.16 +/- 0.04 (AB system, not including a 0.02 magnitude systematic error). This source is not catalogued, nor is it seen when comparing UVOT images with DSS images of this field.
We note that the coordinates quoted by Rau et al. (ATEL #4144) contains an error in the sexagesimal value of the declination, the value should be 05:47:56.3 (note the transposed numbers in the seconds). Their quoted decimal value for declination is correct. | 2012-06-02 03:21:00 | optical,x-ray,transient | 2012-06-02 | 03:21:00 | [
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0.0023822141811251... | 1 |
5,616 | MASDB2 identified with the man-made object | D. Denisenko, V. Lipunov (Moscow State University, Sternberg Astronomical Institute) | "MASDB2 = TA29DCF\n\nA slowly moving 16-mag object MASDB2 detected by MASTER-Amur robotic telescope (...TRUNCATED) | 2013-12-01 20:14:00 | optical,asteroid,near-earth object,planet,a comment | 2013-12-01 | 20:14:00 | [-0.6435701847076416,-0.19778825342655182,0.14268606901168823,-0.3682651221752167,-1.232809901237487(...TRUNCATED) | 2 |
7,983 | A gigantic X-ray flare from the star Trumpler 14 Y442 in the Carina star forming complex | "Kenji Hamaguchi (CRESST NASA/GSFC & UMBC), Stephen A. Drake, Michael F. Corcoran (CRESST NASA/GSFC (...TRUNCATED) | "XMM-Newton, NuSTAR and Swift observations of the Carina star forming complex on 2015 July 16 (ObsID(...TRUNCATED) | 2015-09-03 10:07:00 | "infra-red,optical,ultra-violet,x-ray,pre-main-sequence star,star,transient,variables,young stellar (...TRUNCATED) | 2015-09-03 | 10:07:00 | [-0.09958276897668839,0.5482116937637329,0.29882973432540894,-0.4047835171222687,-0.8510252237319946(...TRUNCATED) | 3 |
8,104 | MASTER: possible superluminous SN in SDSS galaxy | "V. Shumkov, V. Lipunov, E. Gorbovskoy, V. Kornilov, N. Tiurina, P. Balanutsa, A. Kuznetsov, I. Gor(...TRUNCATED) | "MASTER OT J173142.37+435334.1 discovery - possible superluminous SN(17.3m) in SDSS J173142.34+43533(...TRUNCATED) | 2015-09-30 20:28:00 | optical,planet,supernovae,transient,request for observations | 2015-09-30 | 20:28:00 | [-0.6850045919418335,0.3135180175304413,0.25813472270965576,0.4236251413822174,-0.7992966771125793,-(...TRUNCATED) | 4 |
3,979 | Swift/UVOT observations of PSN J10435372+1140177 in M95 | Peter J. Brown (Texas A&M) | "The Ultraviolet/Optical Telescope (UVOT) on board the Swift satellite began observing PSN J10435372(...TRUNCATED) | 2012-03-20 06:14:00 | optical,ultra-violet,supernovae | 2012-03-20 | 06:14:00 | [-0.28650718927383423,0.26406341791152954,-0.046494659036397934,0.015853727236390114,-0.500957369804(...TRUNCATED) | 5 |
7,510 | DAO spectroscopic classification of ASASSN-15aj as a type-Ia supernova | Balam, D. D., Dominion Astrophysical Observatory and Graham, M. L., LCOGT (UCSB) | "A spectrum was obtained of the possible supernova in 2MASX J11200680+3407396 with the 1.82-m Plaske(...TRUNCATED) | 2015-05-16 05:20:00 | optical,supernovae | 2015-05-16 | 05:20:00 | [-0.5622535943984985,-0.025221969932317734,0.35353872179985046,-0.3412978947162628,-0.19204150140285(...TRUNCATED) | 6 |
14,359 | Fermi GBM Observations of SGR J1935+2154 | "O. J. Roberts (USRA), J. Wood (USRA), R. Hamburg (UAH), A. von Kienlin (MPE), P. Veres (UAH) and G.(...TRUNCATED) | "At 15:23:29.92 UTC on January 29th 2020, the Fermi Gamma-Ray Burst Monitor (GBM) triggered and loca(...TRUNCATED) | 2021-01-31 08:48:00 | radio,x-ray,gamma ray,gamma-ray burst,soft gamma-ray repeater | 2021-01-31 | 08:48:00 | [0.04691160470247269,0.6238751411437988,0.5335649251937866,-0.3501069247722626,-0.7237404584884644,0(...TRUNCATED) | 7 |
4,102 | Hunting for faint INTEGRAL AGN in the direction of the Galactic poles: IGR J02341+0228 | "C. Ricci, E. Bozzo, R. Walter, S. Paltani (ISDC/University of Geneva, Switzerland), L. Stella (INAF(...TRUNCATED) | "We recently started an observational program aimed at searching for soft X-ray counterparts of fain(...TRUNCATED) | 2012-05-08 19:27:00 | x-ray,gamma ray,agn,black hole,quasar | 2012-05-08 | 19:27:00 | [-0.2705894112586975,0.4838099479675293,0.5684428215026855,0.041066572070121765,-0.9722683429718018,(...TRUNCATED) | 8 |
1,666 | Faulkes Telescope monitoring of the current outburst of IGR J00291+5934 | "D. M. Russell (Univ. of Amsterdam), F. Lewis (Las Cumbres Observatory Global Telescope Network (LCO(...TRUNCATED) | "As part of an optical monitoring project of low-mass X-ray binaries (Lewis et al. 2008), we report (...TRUNCATED) | 2008-08-17 22:47:00 | radio,infra-red,optical,x-ray,binary,black hole,neutron star,pulsar,star,transient | 2008-08-17 | 22:47:00 | [-0.39914849400520325,0.11727073788642883,0.12565572559833527,-0.18980616331100464,-0.94495022296905(...TRUNCATED) | 9 |
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