Data Sources: astronomerstelegram.org
Index Title Date
14447 Independent Discovery of a Probable Nova in M31 8 Mar 2021; 18:59 UT
14446 Fermi-LAT detection of enhanced gamma-ray activity from the high-redshift FSRQ PKS 0438-43 8 Mar 2021; 09:14 UT
14445 Spectroscopic Classifications of Optical Transients with the SOAR telescope 7 Mar 2021; 17:41 UT
14444 Optical follow-up of S4 0954+65 6 Mar 2021; 22:47 UT
14443 Fermi-LAT detection of enhanced gamma-ray activity from GB6 J1106+3626 6 Mar 2021; 21:30 UT
14442 NICER follow up of the new X-ray transient IGR J17533-2928 6 Mar 2021; 11:25 UT
14441 Introducing POISE: Precision Observations of Infant Supernova Explosions 6 Mar 2021; 01:25 UT
14440 GX 339-4: INTEGRAL observations in the bright hard state 5 Mar 2021; 18:19 UT
14439 Radio detection of the tidal disruption event ZTF20achpcvt/AT2020vwl 5 Mar 2021; 08:31 UT
14438 Start of the Swift monitoring of the Galactic bulge central part 4 Mar 2021; 21:11 UT
14437 Optical brightening of Aql X-1 detected by ZTF 4 Mar 2021; 17:32 UT
14436 ASASSN-21co: A Candidate for a Giant Eclipsing Binary with a 12 Year Period 3 Mar 2021; 17:33 UT
14435 MASTER OT J082936.80-662225.5 and MASTER OT J212145.40+332617.7 optical outbursts 3 Mar 2021; 16:15 UT
14434 FRB20210303A found by UTMOST 3 Mar 2021; 11:31 UT
14433 Fermi-LAT detection of enhanced gamma-ray activity from the FSRQ PKS 0837+012 3 Mar 2021; 07:38 UT
14432 MeerKAT observations of the new transient MAXI J1848-015 2 Mar 2021; 20:23 UT
14431 Erratum to ATel #14430 2 Mar 2021; 19:32 UT
14430 wift/XRT localization of the newly discovered transient IGR J17533-2928 2 Mar 2021; 19:11 UT
14429 NICER Spectroscopy of MAXI J1848-015 in the Stellar Cluster GLIMPSE-C01 2 Mar 2021; 10:06 UT
14428 NICER detects pulsations from Swift J1749.4-2807 2 Mar 2021; 04:42 UT
14427 INTEGRAL/JEM-X observes the new outburst of the eclipsing 518 Hz AMXP SWIFT J1749.4-2807 1 Mar 2021; 14:05 UT
14426 A new gamma-ray flaring episode of the FSRQ S4 0954+65 28 Feb 2021; 18:53 UT
14425 New X-ray transient IGR J17533-2928 discovered by INTEGRAL 27 Feb 2021; 09:39 UT
14424 Chandra Localization of MAXI J1848-015 26 Feb 2021; 12:58 UT
14423 Spectroscopic classification of the transient ZTF21aajzhgk/AT2021clj 25 Feb 2021; 18:01 UT
14422 A renewed gamma-ray flare from the Gigahertz-peaked Spectrum radio source OS 300 23 Feb 2021; 22:47 UT
14421 Spectroscopic and photometric confirmation of ASASSN-21br as an AM CVn system 23 Feb 2021; 20:06 UT
14420 MAXI J1848-015: Swift localization at the core of GLIMPSE-C01 23 Feb 2021; 02:55 UT
14419 Optical monitoring of GX 339-4 suggests the source is approaching state transition 22 Feb 2021; 17:42 UT
14418 Radio detection of the hydrogen-poor super-luminous supernova 2020tcw at 64 days post discovery 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 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? 22 Feb 2021; 08:34 UT
14415 Optical fading of black hole LMXB XTE J1859+226 during its current mini-outburst 22 Feb 2021; 07:02 UT
14414 Erratum to ATel #14413 20 Feb 2021; 23:52 UT
14413 SOAR Spectroscopic confirmation of two Galactic classical novae: one new, one old 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 20 Feb 2021; 14:01 UT
14411 4U 1755-338 is still in a soft/thermally dominated state after 10 months 19 Feb 2021; 17:00 UT
14410 Archival OGLE Observations Reveal Orbital Period of Gaia21avt (AT2021ddo) 19 Feb 2021; 16:08 UT
14409 Spectroscopic Classification of AT2021cta with the Lick Shane telescope 19 Feb 2021; 15:50 UT
14408 New Possible Variable Nebula in Puppis and an EXOR star 19 Feb 2021; 14:10 UT
14407 SRG/eROSITA detection of X-ray emission from TDE candidate AT 2021blz 19 Feb 2021; 10:47 UT
14406 Resumed NICER observations of the magnetar SGR 1830-0645 19 Feb 2021; 00:10 UT
14405 SOAR spectroscopic follow up of ASASSN-21br — a possible AM CVn outburst? 18 Feb 2021; 23:43 UT
14404 Fermi/LAT detection of enhanced gamma-ray activity from the blazars OP 313 and 4C +01.02 18 Feb 2021; 19:38 UT
14403 Erratum to ATEL 14402 18 Feb 2021; 14:38 UT
14402 Discovery of Probable Galactic Nova with Gaia 18 Feb 2021; 14:25 UT
14401 INTEGRAL detects renewed activity of the Be/X-ray binary pulsar 1A 0535+262 18 Feb 2021; 11:39 UT
14400 Follow up observations of GX 339-4 with AstroSat 18 Feb 2021; 10:12 UT
14399 Fermi LAT Detection of Emission from the PSR B1259-63/LS 2883 Binary Just After Periastron 18 Feb 2021; 05:14 UT
14398 LJT Spectroscopic Classification of AT 2021dbg (ATLAS21gfy) as a Young Type II Supernova with flash features 17 Feb 2021; 02:14 UT
14397 Detection of flaring activity from Cygnus X-3 in soft X-ray bands by MAXI/GSC 16 Feb 2021; 19:45 UT
14396 Erratum to ATEL 14395 16 Feb 2021; 18:08 UT
14395 Upper limits on the continuum radio emission of SGR J1935+2154 from uGMRT observations 16 Feb 2021; 18:00 UT
14394 The flux of 2S1417-624 is still rising 16 Feb 2021; 15:17 UT
14393 Radio detection of the hydrogen-poor super-luminous supernova SN 2017ens at 3.6 years post explosion 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 15 Feb 2021; 12:07 UT
14391 Strong increase in the brightness of the radio quasar Ton 0599 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 12 Feb 2021; 22:58 UT
14389 Spectroscopic Classifications of Optical Transients with the Keck I telescope 12 Feb 2021; 18:31 UT
14388 Swift observation of the magnetar SGR 1935+2154 following the detection of several bursts 12 Feb 2021; 12:00 UT
14387 Spectroscopic Classifications of Optical Transients with the Lick Shane telescope 11 Feb 2021; 23:21 UT
14386 Search for counterpart to IceCube-201209A with ANTARES 11 Feb 2021; 12:53 UT
14385 3C 279: ALMA detection of polarization flare with an EVPA jump 10 Feb 2021; 21:32 UT
14384 NICER X-ray activity indicates GX 339-4 rising in hard state 10 Feb 2021; 21:04 UT
14383 Fermi-LAT detection of a new gamma-ray source associated with the quasar 3C 395 9 Feb 2021; 23:07 UT
14382 Upper limits on the radio fluence of the most recent X-ray bursts from SGR1935+2154 9 Feb 2021; 20:50 UT
14381 Erratum to ATel #14366: Discovery of 8 ASAS-SN Supernova Candidates 9 Feb 2021; 20:15 UT
14380 A new ultraluminous X-ray source in NGC 4945 8 Feb 2021; 22:25 UT
14379 ASASSN-21ay: Discovery of an RGB Star Undergoing an Unusual, Long-Term Variation 8 Feb 2021; 19:50 UT
14378 Swift resumes X-ray monitoring observations of the Galactic center after Sun constraints 8 Feb 2021; 15:06 UT
14377 Radio detection of Supernova SN2021bhd 8 Feb 2021; 11:26 UT
14376 New Activity Episode of the Unusual Variable Star DDE 175 7 Feb 2021; 16:16 UT
14375 Swift detects X-rays from XTE J1859+226; continued optical brightening. 7 Feb 2021; 02:13 UT
14374 Spectroscopic Classification of the Transient TCP J10203579+3103424 = AT 2021bxp = ZTF21aaherhg as a high-amplitude dwarf nova 7 Feb 2021; 01:39 UT
14373 Spectroscopic Classification of AT2021arl with the Lick Shane telescope 7 Feb 2021; 01:15 UT
14372 ZTF detects an optical brightening of XTE J1859+226 6 Feb 2021; 15:41 UT