| Telegram Index |
| Telegrams Posted Within the Last 30 Days ( All )
|
71 Selected of 14425 Telegrams
|
| 14425 | New X-ray transient IGR J17533-2928 discovered by INTEGRAL | S. A. Grebenev and I. A. Mereminskiy
27 Feb 2021; 09:39 UT |
| 14424 | Chandra Localization of MAXI J1848-015 | Deepto Chakrabarty, Peter G. Jonker, Jeroen Homan, Maureen van den Berg
26 Feb 2021; 12:58 UT |
| 14423 | Spectroscopic classification of the transient ZTF21aajzhgk/AT2021clj | Monika Soraisam, Chien-Hsiu Lee, Gautham Narayan, Thomas Matheson, Abhijit Saha, Thomas G. Brink, Kishore...
25 Feb 2021; 18:01 UT |
| 14422 | A renewed gamma-ray flare from the Gigahertz-peaked Spectrum radio source OS 300 | Giacomo Principe on behalf of the Fermi-LAT Collaboration
23 Feb 2021; 22:47 UT |
| 14421 | Spectroscopic and photometric confirmation of ASASSN-21br as an AM CVn system | M. Motsoaledi, E. Aydi, D. A. H. Buckley, J. Strader, L. Chomiuk, A. Kawash, K. V. Sokolovsky, P. A....
23 Feb 2021; 20:06 UT |
| 14420 | MAXI J1848-015: Swift localization at the core of GLIMPSE-C01 | J. A. Kennea, A. Bahramian, P. A. Evans, A. P. Beardmore, H. A. Krimm, P. Romano, K. Yamaoka, M. Serino,...
23 Feb 2021; 02:55 UT |
| 14419 | Optical monitoring of GX 339-4 suggests the source is approaching state transition | Payaswini Saikia, Maria Cristina Baglio, David M. Russell, D. M. Bramich, Eleonora Caruso, Fraser Lewis...
22 Feb 2021; 17:42 UT |
| 14418 | Radio detection of the hydrogen-poor super-luminous supernova 2020tcw at 64 days post discovery | Deanne L. Coppejans, David Matthews, Raffaella Margutti, Giacomo Terreran, Wynn Jacobson-Galan, Edo Berger,...
22 Feb 2021; 17:08 UT |
| 14417 | Detection of enhanced X-ray flaring activity from Centaurus X-3 by Swift/BAT, MAXI/GSC and Fermi/GBM | Mangal Hazra, Sabyasachi Pal, Debasish Saha, Manoj Mandal
22 Feb 2021; 13:06 UT |
| 14416 | IRAS 07572-3100 and the New Nebula in Puppis: Outburst from a Young Stellar Object or an Exotic AGB Star Event? | Lynne Hillenbrand
22 Feb 2021; 08:34 UT |
| 14415 | Optical fading of black hole LMXB XTE J1859+226 during its current mini-outburst | Eleonora Caruso, Maria Cristina Baglio, Payaswini Saikia, David M. Russell, D. M. Bramich, Jeroen Homan,...
22 Feb 2021; 07:02 UT |
| 14414 | Erratum to ATel #14413 | A. Kawasah, J. Strader, E. Aydi, L. Chomiuk, K. V. Sokolovsky, P. Schmeer
20 Feb 2021; 23:52 UT |
| 14413 | SOAR Spectroscopic confirmation of two Galactic classical novae: one new, one old | A. Kawasah, J. Strader, E. Aydi, L. Chomiuk, K. V. Sokolovsky, P. Schmeer
20 Feb 2021; 22:38 UT |
| 14412 | Spectroscopic Classification of the Transient PNV J00420424+4042336 = AT 2021dcd as an Fe II-type Nova in M31 | Kenta Taguchi, Masayuki Yamanaka, Keisuke Isogai, Claudio Balcon
20 Feb 2021; 14:01 UT |
| 14411 | 4U 1755-338 is still in a soft/thermally dominated state after 10 months | Francesco Carotenuto, Stephane Corbel
19 Feb 2021; 17:00 UT |
| 14410 | Archival OGLE Observations Reveal Orbital Period of Gaia21avt (AT2021ddo) | P. Mroz, A. Udalski, on behalf of the OGLE team
19 Feb 2021; 16:08 UT |
| 14409 | Spectroscopic Classification of AT2021cta with the Lick Shane telescope | K. Taggart, C. Rojas-Bravo, G. Dimitriadis, R. J. Foley
19 Feb 2021; 15:50 UT |
| 14408 | New Possible Variable Nebula in Puppis and an EXOR star | G. C. Neagu and S. Deen
19 Feb 2021; 14:10 UT |
| 14407 | SRG/eROSITA detection of X-ray emission from TDE candidate AT 2021blz | Zhu Liu, Arne Rau, Adam Malyali, Andrea Merloni, Iullia Grotova
19 Feb 2021; 10:47 UT |
| 14406 | Resumed NICER observations of the magnetar SGR 1830-0645 | George Younes, Tolga Guver, Paul S. Ray, Zaven Arzoumanian, Teruaki Enoto, Keith Gendreau, Chryssa Kouveliotou,...
19 Feb 2021; 00:10 UT |
| 14405 | SOAR spectroscopic follow up of ASASSN-21br -- a possible AM CVn outburst? | E. Aydi, J. Strader, L. Chomiuk, A. Kawash, K. V. Sokolovsky, K. Z. Stanek, C. S. Kochanek, and B. J....
18 Feb 2021; 23:43 UT |
| 14404 | Fermi/LAT detection of enhanced gamma-ray activity from the blazars OP 313 and 4C +01.02 | Authors: Mangal Hazra, Sabyasachi Pal, Debasish Saha
18 Feb 2021; 19:38 UT |
| 14403 | Erratum to ATEL 14402 | E. Breedt, S. T. Hodgkin, A. Delgado, D. L. Harrison, M. van Leeuwen, G. Rixon, T. Wevers, A. Yoldas,...
18 Feb 2021; 14:38 UT |
| 14402 | Discovery of Probable Galactic Nova with Gaia | S. T. Hodgkin, A. Delgado, D. L. Harrison, M. van Leeuwen, G. Rixon, T. Wevers, A. Yoldas, N. Ihanec,...
18 Feb 2021; 14:25 UT |
| 14401 | INTEGRAL detects renewed activity of the Be/X-ray binary pulsar 1A 0535+262 | I. Caballero, C. Ferrigno, E. Kuulkers, P. Kretschmar, J. Wilms, F. Fuerst, J. B. Coley, K. Pottschmidt,...
18 Feb 2021; 11:39 UT |
| 14400 | Follow up observations of GX 339-4 with AstroSat | Nazma Husain, Sneha Prakash Mudambi), Akash Garg, Ranjeev Misra, Somasri Sen, Bari Maqbool
18 Feb 2021; 10:12 UT |
| 14399 | Fermi LAT Detection of Emission from the PSR B1259-63/LS 2883 Binary Just After Periastron | T. J. Johnson, K. S. Wood, C. C. Cheung, and M. Kerr, on behalf of the Fermi Large Area Telescope...
18 Feb 2021; 05:14 UT |
| 14398 | LJT Spectroscopic Classification of AT 2021dbg (ATLAS21gfy) as a Young Type II Supernova with flash features | Jujia Zhang, Qian Zhai ; Xiaofeng Wang
17 Feb 2021; 02:14 UT |
| 14397 | Detection of flaring activity from Cygnus X-3 in soft X-ray bands by MAXI/GSC | Mangal Hazra, Sabyasachi Pal, Debasish Saha
16 Feb 2021; 19:45 UT |
| 14396 | Erratum to ATEL 14395 | Mayuresh Surnis, Benjamin Stappers, Fabian Jankowski, Kaustubh Rajwade, Manisha Caleb, Bhal Chandra...
16 Feb 2021; 18:08 UT |
| 14395 | Upper limits on the continuum radio emission of SGR J1935+2154 from uGMRT observations | Mayuresh Surnis, Benjamin Stappers, Fabian Jankowski, Kaustubh Rajwade, Manisha Caleb, Bhal Chandra...
16 Feb 2021; 18:00 UT |
| 14394 | The flux of 2S1417-624 is still rising | J. Knies, S. Saeedi, V. Doroshenko, A. Semena, A. Lutovinov, I. Mereminskiy, S. Molkov, I. Kreykenbohm,...
16 Feb 2021; 15:17 UT |
| 14393 | Radio detection of the hydrogen-poor super-luminous supernova SN 2017ens at 3.6 years post explosion | Deanne L. Coppejans, David Matthews, Raffaella Margutti, Giacomo Terreran, Edo Berger, Tarraneh Eftetkhari,...
15 Feb 2021; 20:21 UT |
| 14392 | Renewed activity of X-ray binary pulsar A 0535+262 detected by Swift/BAT, MAXI/GSC, and Fermi/GBM | Manoj Mandal, Sabyasachi Pal, Mangal Hazra, Bikram Bhunia
15 Feb 2021; 12:07 UT |
| 14391 | Strong increase in the brightness of the radio quasar Ton 0599 | Lukas Waller, Niels Bader, Erik Heidemann, Felix Hemrich, Johannes Knoett, Alexander Lessing, Jonas Ludwig,...
14 Feb 2021; 18:12 UT |
| 14390 | Spectroscopic and photometric confirmation of ASASSN-21au = ZTF20acyxwzf as the best candidate for a long-orbital period AM CVn star | Keisuke Isogai, Yusuke Tampo, Naoto Kojiguchi, Kenta Taguchi, Junpei Itoh, Masaaki Shibata, Taichi Kato,...
12 Feb 2021; 22:58 UT |
| 14389 | Spectroscopic Classifications of Optical Transients with the Keck I telescope | M. R. Siebert, K. Taggart, R. J. Foley
12 Feb 2021; 18:31 UT |
| 14388 | Swift observation of the magnetar SGR 1935+2154 following the detection of several bursts | A. Borghese, F. Coti Zelati, N. Rea, P. Esposito, G. L. Israel, on behalf of a larger collaboration
12 Feb 2021; 12:00 UT |
| 14387 | Spectroscopic Classifications of Optical Transients with the Lick Shane telescope | G. Dimitriadis, R. J. Foley
11 Feb 2021; 23:21 UT |
| 14386 | Search for counterpart to IceCube-201209A with ANTARES | Alexis Coleiro and Damien Dornic on behalf of the ANTARES Collaboration
11 Feb 2021; 12:53 UT |
| 14385 | 3C 279: ALMA detection of polarization flare with an EVPA jump | Seiji Kameno, Paulo Cortes, Edward Fomalont, Ruediger Kneissl, Antonio Hales, Celia Verdugo, Matias Radiszcz,...
10 Feb 2021; 21:32 UT |
| 14384 | NICER X-ray activity indicates GX 339-4 rising in hard state | Jingyi Wang, James F. Steiner, Erin Kara, Andy Fabian, Keith Gendreau, Zaven Arzoumanian, Jeroen Homan,...
10 Feb 2021; 21:04 UT |
| 14383 | Fermi-LAT detection of a new gamma-ray source associated with the quasar 3C 395 | M. Giroletti, R. Angioni, C. C. Cheung, on behalf of the Fermi Large Area Telescope Collaboration
9 Feb 2021; 23:07 UT |
| 14382 | Upper limits on the radio fluence of the most recent X-ray bursts from SGR1935+2154 | Franz Kirsten, Jakob van den Eijnden, Mark Snelders, Kenzie Nimmo, Jason Hessels, Marcin Gawronski, Jun...
9 Feb 2021; 20:50 UT |
| 14381 | Erratum to ATel #14366: Discovery of 8 ASAS-SN Supernova Candidates | P. Vallely and K. Z. Stanek for the ASAS-SN Team
9 Feb 2021; 20:15 UT |
| 14380 | A new ultraluminous X-ray source in NGC 4945 | Murray Brightman
8 Feb 2021; 22:25 UT |
| 14379 | ASASSN-21ay: Discovery of an RGB Star Undergoing an Unusual, Long-Term Variation | Z. Way, D. Desai, K. Z. Stanek, C. S. Kochanek, T. Jayasinghe, T. A. Thompson, B. J. Shappee, T. W.-S....
8 Feb 2021; 19:50 UT |
| 14378 | Swift resumes X-ray monitoring observations of the Galactic center after Sun constraints | N. Degenaar, R. Wijnands, M. T. Reynolds, J. M. Miller, J. A. Kennea, on behalf of a larger...
8 Feb 2021; 15:06 UT |
| 14377 | Radio detection of Supernova SN2021bhd | Itai Sfaradi, Assaf Horesh
8 Feb 2021; 11:26 UT |
| 14376 | New Activity Episode of the Unusual Variable Star DDE 175 | D. Denisenko, D. Fernandez Ortiz, A. Kolesnikov, A. Minkovskiy, E. Tokareva
7 Feb 2021; 16:16 UT |
| |
| 14375 | Swift detects X-rays from XTE J1859+226; continued optical brightening. | Eric C. Bellm
7 Feb 2021; 02:13 UT |
| 14374 | Spectroscopic Classification of the Transient TCP J10203579+3103424 = AT 2021bxp = ZTF21aaherhg as a high-amplitude dwarf nova | Kenta Taguchi, Kohki Uno, Miho Kawabata, Yusuke Tampo, Naoto Kojiguchi, Keisuke Isogai
7 Feb 2021; 01:39 UT |
| 14373 | Spectroscopic Classification of AT2021arl with the Lick Shane telescope | K. W. Davis, G. Dimitriadis, R. J. Foley
7 Feb 2021; 01:15 UT |
| 14372 | ZTF detects an optical brightening of XTE J1859+226 | Eric C. Bellm on behalf of the Zwicky Transient Facility Collaboration
6 Feb 2021; 15:41 UT |
| 14371 | Spectroscopic Classifications of Optical Transients with the SOAR telescope | G. Dimitriadis and M. R. Siebert
5 Feb 2021; 19:28 UT |
| 14370 | Spectroscopic Classification of the Transients PNV J00425220+4116246 = AT 2021bfs and PNV J00434645+4133408 = AT 2021boa as classical novae in M31 | Kenta Taguchi, Keisuke Isogai, Naoto Kojiguchi, Yusuke Tampo, Claudio Balcon
5 Feb 2021; 04:39 UT |
| 14369 | Faint Radio Emission from the X-ray Transient, XTE J1748-288 | S. D. Hyman, N. E. Kassim, S. Giacintucci, T. J. W. Lazio, D. A. Frail, J. E. Kooi, E. J. Polisensky,...
5 Feb 2021; 03:32 UT |
| 14368 | The discovery of the photometric variability of a new SR-type variable star in the M31 galaxy, while searching for variable red sources using V and I observations from the Galati Astronomical Observatory | J. O. Tercu, G. C. Neagu
4 Feb 2021; 23:21 UT |
| 14367 | Detection of softening of X-ray flare from GX 339-4 using MAXI/GSC | Manoj Mandal, Sabyasachi Pal, Debashis Saha, and Mangal Hazra
4 Feb 2021; 16:16 UT |
| 14366 | Discovery of 8 ASAS-SN Supernova Candidates | J. Brimacombe, I. Cruz, P. Vallely, K. Z. Stanek, C. S. Kochanek, Z. Way, D. Desai, S. Bose, T. A. Thompson,...
3 Feb 2021; 16:30 UT |
| 14365 | Negative superhumps in the cataclysmic variable KR Aur | S. Boeva, G. Latev, R. Zamanov
2 Feb 2021; 13:58 UT |
| 14364 | SALT spectroscopy of the candidate optical counterpart to SRGA J124404.1-632232/SRGE J124403.8-632231: a likely obscured Be X-ray binary | D. A. H. Buckley, M. Gromadzki, L. Townsend, I. Monageng, A. Lutovinov, V. Doroshenko, A. Rau
1 Feb 2021; 16:04 UT |
| 14363 | GECAM detection of a bright thermonuclear burst from 4U 0614+091 | Y. P. Chen, J. Li, S. L. Xiong, L. Ji, S. Zhang, W. X. Peng, R. Qiao, X. Y. Zhao, Y. Huang, F. J. Lu,...
1 Feb 2021; 05:06 UT |
| 14362 | Sudden strengthening of He II emission line in the spectrum of B[e] star CI Cam | E. A. Barsukova, A. N. Burenkov, V. P. Goranskij
31 Jan 2021; 19:43 UT |
| 14361 | Periodic variability in the archival OGLE light curve of X-ray transient SRGA J124404.1-632232 (SRGE J124403.8-632231) | P. Mroz, A. Udalski, on behalf of the OGLE team
31 Jan 2021; 18:48 UT |
| 14360 | Spectroscopic classification of AT2021biy in NGC 4631 by NUTS2 (NOT Un-biased Transient Survey-2) | Y.-Z. Cai, A. Pastorello, A. Reguitti, M. Fraser, S. Benetti, G. Valerin, E. Kankare, P. Lundqvist,...
31 Jan 2021; 14:20 UT |
| 14359 | Fermi GBM Observations of SGR J1935+2154 | O. J. Roberts, J. Wood, R. Hamburg, A. von Kienlin, P. Veres and G. Younes
31 Jan 2021; 00:48 UT |
| 14358 | Spectroscopic classification of SN 2021bge with SOAR and the Goodman Spectrograph | G. Terreran, R. Cartier, W. Jacobson-Galan
30 Jan 2021; 21:43 UT |
| 14357 | SRG discovery of SRGA J124404.1-632232 = SRGE J124403.8-632231 - possible Galactic X-ray transient | A. Semena, V. Doroshenko, V. Arefiev, A. Lutovinov, C. Maitra, I. Mereminskiy, S. Molkov, A. Rau, P....
29 Jan 2021; 20:00 UT |
| 14356 | The optical and near-infrared follow-up observations of flaring blazar BL Lacertae using Kanata Telescope | R. Imazawa, N. Hazama, M. Sasada, Y. Fukazawa
29 Jan 2021; 05:10 UT |
| 14355 | Independent Discovery and Additional Photometry of a Recent Nova in M33 | J. Bryan and A. W. Shafter
28 Jan 2021; 23:05 UT |
