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Swift ATels - 2019

Most recent ATels are listed at the top of the page.

  1. Swift observations of the fading transient ASASSN-V J060000.76-310027.83
  2. Increased X-ray activity of FSRQ OQ 334/B2 1420+32 and detection of hard spectrum by Swift-XRT
  3. Swift Monitoring of the Black Hole Candidate EXO 1846-031
  4. Recent Swift Observations of the Ultra-luminous X-ray Pulsar NGC 7793 P13
  5. Recent Swift Spectroscopy of Cygnus X-3
  6. Swift follow-up of the blazar OJ 49
  7. An X-ray transient in NGC 4045 detected by Swift/XRT
  8. MAGIC detection of increased flux from 1ES 0647+250 at very-high-energy gamma rays
  9. MAXI J0206-749: Swift identification as RX J0209.6-7427
  10. Dramatic broadening of emission lines in TCP J21040470+4631129
  11. Swift X-ray, UV and optical observations of MAXI J0637-430
  12. Recurrent nova M31N 2008-12a: Swift/XRT detection of the 2019 eruption
  13. Swift follow-up of the renewed flaring phase of blazar SBS 1150+497
  14. Recurrent Nova M31N 2008-12a: Swift UVOT detection of the 2019 eruption
  15. MAXI J0637-430: Swift localization, optical counterpart
  16. MAXI J0637-430: Swift localization, optical counterpart
  17. Swift observation of Nova Scuti 2019 (ASASSN-19aad)
  18. The X-ray Spectral Change and Light Curve of the TDE Candidate AT2019pev/ZTF19abvgxrq
  19. Swift follow-up of the flaring NLSy1 PKS 2004-447
  20. A possible optical counterpart and refined position for the X-ray transient Swift J1713.4-4219
  21. NICER observations of late-time X-ray brightening of the tidal disruption event candidate AT2019azh
  22. Swift J1845.7-0037: Comparison of X-ray and optical positions
  23. MAXI/GSC detection of weak X-ray activity from the Be/X-ray binary pulsar XTE J1858+034
  24. Swift follow-up of the flaring FSRQ PMN J0231-4746
  25. No X-rays from the gamma-ray bright classical nova V1707 Sco
  26. Swift J1845.7-0037: 199s period detection, possible BeXRB?
  27. The optical transient AT2019qiz started a decay as seen with Swift
  28. Detection of an eclipse ingress confirms outburst from GRS 1747-312
  29. MAXI J1847-004: Swift observation and identification with Swift J1845.7-0037
  30. Swift Observations of ASASSN-19yt
  31. Swift catches Changing Look AGN IRAS 23226-3843 in outburst
  32. MAXI J1749-310: Swift/XRT localization consistent with GRS 1747-312
  33. Swift/XRT detects a new outburst of the Galactic Center transient AX J1745.6-2901
  34. UV/optical brightening of the TDE candidate AT2019qiz as detected by Swift
  35. X-ray non-detection of TDE Candidate AT2019qiz using the Swift XRT
  36. The end of the super-soft X-ray phase of Nova V3890 Sgr
  37. X-ray Bright Nuclear Transient with Bowen Fluorescence Lines
  38. The disappearance and reappearance of optical emission lines and the drop in a Swift/XRT count rate during the recent rebrightening of TCP J21040470+4631129
  39. GX 339-4 may have reached the peak of its rebrightening
  40. Radio AMI-LA and X-rays Swift/XRT observations of the new outburst from MAXI J1807+132
  41. Confirmation of a highly variable Super Soft Source phase in the recurrent Nova V3890 Sgr by the Swift-XRT
  42. Swift detection of super-soft X-ray emission from V3890 Sgr
  43. Swift follow-up observations of the optical transient ASASSN-19vj
  44. Swift UVOT UV spectrum and photometry of V3890 Sgr
  45. Swift X-ray detection during the optical peak of the recurrent nova V3890 Sgr
  46. Radio and X-ray Observations of the rebrightening Black Hole MAXI J1820+070
  47. Swift observation of Nova Orionis 2019 #1 (PNV J06095740+1212255)
  48. Rebrightening of MAXI J1820+070 (ASASSN-18ey) in X-rays
  49. X-ray and optical reflaring in GX 339-4 in July/August 2019
  50. The orbital period of the bright WZ Sge-type dwarf nova TCP J21040470+4631129
  51. A Further X-ray Flare from Sgr A* Detected by Swift
  52. UV brightening of the accreting millisecond X-ray pulsar SAX J1808.4-3658
  53. Likely new outburst of the accretion-powered millisecond pulsar SAX J1808.4-3658 indicated by increased optical and X-ray intensity
  54. IceCube-190730A: Swift XRT and UVOT Follow-up and prompt BAT Observations
  55. Swift/UVOT Observations of SN2019lsm
  56. Localization of EXO 1846-031 by Swift/XRT
  57. Optical brightening of SAX J1808.4-3658 with no X-ray detection - precursor to new outburst?
  58. Liverpool Telescope and Swift Observations of V392 Persei
  59. Swift X-ray detection and ground-based observations of the new WZ Sge-type dwarf nova TCP J21040470+4631129
  60. GRB 190714A is an X-ray flare from 2E 1624.6+1504/UCAC4 525-061488
  61. New Galactic Center Transient is a nearby late-type dwarf star flare
  62. New Galactic Center X-ray Transient Outburst Detected by Swift: SWIFT J174448.4-290729
  63. Swift observation of a new gamma-ray source associated with 1WHSP J104516.2+275133
  64. Rebrightening and X-ray spectral hardening of MAXI J1810-222
  65. No X-rays from the position of the candidate tidal disruption flare AT2019gte--perhaps another ASASSN-15lh like event?
  66. UV, optical and near-IR observations of Type II-peculiar SN2018hna in the metal-poor galaxy UGC7534
  67. NICER and SWIFT/XRT detect a new outburst of the accreting millisecond X-ray pulsar SWIFT J1756.9-2508
  68. Swift observation of the dwarf nova ASASSN-19oa
  69. Continued Swift XRT Monitoring of GRS 1915+105
  70. Swift observations of two new AM CVn candidates
  71. Swift observations of two new AM CVn candidates
  72. The transiently accreting millisecond X-ray pulsar Swift J0911.9-6452 returns to a high X-ray activity level
  73. Swift Bulge Survey: X-ray activity of bursters KS 1741-293, IGR J17445-2747, SAX J1750.8-2900, and symbiotic X-ray binary XMMU J174445.5-295044
  74. Swift follow-up observations of the flaring QSO Gaia19bsj
  75. The accreting millisecond X-ray pulsar Swift J0911.9-6452 decays in X-rays after ~3.2 years of activity
  76. Swift catches the changing-look AGN NGC 1566 in an X-ray outburst again
  77. Swift follow-up of the AGN PKS 0521-36 during a high gamma-ray activity state
  78. Swift follow-up of the flaring blazar PKS 0736+01
  79. Classification of AT2019ehz as a tidal disruption flare
  80. X-ray non-detection of black hole transient MAXI J1535-571
  81. Swift discovers X-rays from the newly discovered tidal disruption flare candidate AT2019dsg
  82. GRS 1915+105: A Changing-Look Microquasar?
  83. Evidence of a Dust Scattering Halo/Ring in Swift Images of GRS 1915+105
  84. Swift/XRT detects a bright X-ray flare from Sgr A*
  85. INTEGRAL and Neil Gehrels Swift observations of GRS 1915+105 during its recent low luminosity hard state may indicate the source is going towards quiescence
  86. Swift Bulge Survey detections of the X-ray transients SAX J1750.8-2900 and IGR J17445-2747
  87. Swift and Chandra Observations of GRS 1915+105 in an unusual, very low-flux state
  88. NuSTAR and Swift observations of MAXI J1820+070 indicate further dimming in X-rays
  89. Swift follow-up observations of the gamma-ray flaring blazar PKS 1830-211, a gravitationally lensed system
  90. Recent Swift Observations of the Blazar TXS 1515-273
  91. Recent Swift Monitoring of Black Hole Candidate GX 339-4
  92. Recent Swift X-ray Monitoring of the Magnetar XTE J1810-197
  93. Continued Swift Monitoring of the Galactic Black-Hole Binary MAXI J1820+070
  94. Soft X-rays from the direction of the Type Ia SN AT2019daj are not associated with the supernova but from foreground diffuse emission within our own Galaxy
  95. Swift observation of the dwarf nova candidate ASASSN-19jp
  96. Swift Observatory UV Observations of the Continuing Outburst of V694 Mon
  97. VLA radio detection of the very-faint X-ray transient IGR J17285-2922
  98. Swift/XRT detection of the very faint X-ray binary transient IGR J17285-2922
  99. A Neil Gehrels Swift Observatory Snapshot of the Black Hole Candidate XTE J1908+094
  100. Swift detection of the new WZ Sge-type dwarf nova ASASSN-19hl
  101. Classification of the optical transient ASASSN-19gt as a dwarf nova
  102. XMM-Newton, NuSTAR and Swift follow-up of the new outburst of the magnetar XTE J1810-197
  103. AMI-LA and Swift confirm the multi-wavelength rebrigtening of MAXI J1820+070
  104. MAXI/GSC detection of an ongoing X-ray outburst from SAX J1747.0-2853 or a new X-ray transient MAXI J1746-290
  105. Swift observation of the rebrightening in MAXI J1820+070
  106. Classification of AT2019azh as an Eddington-limited tidal disruption flare
  107. Classification of ZTF18actaqdw as a tidal disruption flare
  108. Swift follow-up of the flaring high-synchrotron-peaked blazar TXS 1515-273
  109. Swift detection of the new WZ Sge-type dwarf nova TCP J06373299-0935420
  110. Localization and spectral properties of 4U 1901+03 with Swift/XRT and NuSTAR
  111. Classification of AT2018lna/ZTF19aabbnzo as a tidal disruption flare
  112. Preliminary Result on MAXI J1348-630 using Swift data: Detection of 0.56 Hz QPO and Mass Estimation
  113. MAXI J1810-222: Swift/XRT localization, possible optical counterpart with GAIA distance
  114. Monitoring the transient MAXI J1348-630 with the Neil Gehrels Swift observatory
  115. Swift J1728.9-3613: Swift/XRT localization
  116. Swift detection of a new transient Swift J1728.9-3613
  117. MAXI J1348-630: Swift XRT localization, possible periodicity
  118. Swift sees the outburst brightening of GX 339-4 in the hard state
  119. Fermi and Swift discovery of GeV gamma-ray and X-ray emission from the blazar PKS 2246+208
  120. The Highest Historical X-ray Brightness State in HBL Source 1ES 1218+304
  121. Swift UVOT Observations of SN2018evt