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Swift ATels - 2023

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

  1. Recent Monitoring of Markarian 817
  2. Multi-wavelength follow up observations of SN 2023xrs
  3. OGLE-LMC511.16.41797: A second transient supersoft X-ray source without a classical nova eruption
  4. The accreting millisecond pulsar LMXB MAXI J0911-655/Swift J0911.9-6452 appears to be returning to quiescence
  5. LEIA detected the X-ray flare from the nova ASASSN-23hd
  6. Swift XRT follow-up observations of the FSRQ 3C 345
  7. The Changing Look AGN NGC 2617 is in the deepest low state
  8. X-Ray Flare in the Southern TeV-Detected Blazar 1ES 1101-232
  9. Detection of a previously unknown Be/X-ray binary in the SMC, Swift J010902.6-723710 = SXP 182
  10. Swift J105330.1+164710, a new X-ray transient in NGC 3447
  11. First X-ray detection of the new outburst of Swift J1753.5-0127 and continuing optical brightening
  12. New optical outburst of the black-hole low-mass X-ray binary Swift J1753.5-0127 detected with XB-NEWS; X-ray non-detection with Swift/XRT
  13. New outburst of the black-hole low-mass X-ray binary GX 339-4 detected with XB-NEWS and Swift/XRT
  14. LSXPS discovery of the transient Swift J150636.7-411910 coincident with the galaxy ESO 328-19
  15. X-ray and UV observations of a bright non-repeating FRB at T0+236 second
  16. The Swift X-ray Observations Campaign of the Repeating FRB20220912A
  17. Swift J1727.8-1613 reaches 7.6 Crab with strong QPO in Hard X-rays
  18. Fading of the black hole transient MAXI J1820+070 in X-rays and UV
  19. LEIA detected a new fast X-ray transient LXT 230815A
  20. X-Ray Flare and Extreme Intraday Flux Variability in the TeV-Detected Blazar PKS 2155-304
  21. Aql X-1: Neil Gehrels Swift Observatory XRT observations
  22. Very Strong 0.3-10 keV flare in 1ES 1959+650
  23. Swift/XRT and ATCA observations reveal MAXI J1810-222 has returned to the hard X-ray spectral state
  24. MAXI J2320-268: Swift/XRT observations reveal likely link to HD 220096
  25. X-ray Flare from Galactic Center Detected by Swift
  26. Radio flaring from MAXI J1810-222 during possible X-ray state transition
  27. Archival XMM and latest Swift/XRT X-ray observations of the candidate tidal disruption event AT2019aalc/ZTF19aaejtoy
  28. Swift observations of the changes in the brightness of the recurrent nova T CrB
  29. X-Ray Re-Flare in TeV-Detected BL Lacerate Object 1ES 1218+304
  30. Re-brightening of Galactic Center X-ray Transient AX J1745.6-2901
  31. Enhanced X-Ray Activity in the TeV-Detected Blazar of Unknown Redshift H1722+119
  32. Swift XRT confirms outburst of GRS 1739-278
  33. Low-level activity of the black-hole low-mass X-ray binary GX 339-4 with LCO and Swift/XRT
  34. A Strong X-Ray Flare in the TeV-Detected Blazar 1ES 1959+650
  35. Swift-BAT detection of the outburst and current rise of Swift J0243.6+6124
  36. The blazar OJ 287 in a long-lasting low-state with small-amplitude rapid flares superposed
  37. Swift detection of supersoft emission in V1716 Sco
  38. Strong X-Ray Flaring Activity in Markarian 421
  39. X-ray emission of SN 2023ixf and its progenitor
  40. Swift observations of SDSS J102906.69+555625.2 and SDSSJ152205.41+393441.3
  41. LEIA detected a bright X-ray flare from 1RXS J054317.4-760222
  42. X-ray and radio observations of MAXI J1810-222 suggest the source is now in a hard intermediate state
  43. SWIFT observations of the transient magnetar XTE J1810-197
  44. Swift observations of MAXI J1810-222
  45. Investigating Swift Observations of NGC 5907 ULX-1 and Estimating its Luminosity
  46. Decreasing Flux of LS V +44 17 from 25 March 2023 through 3 April 2023
  47. Swift/XRT observation of Nova Scorpii 2023 = PNV J17224490-4137160
  48. Swift/XRT confirms outburst of Swift J0243.6+6124
  49. Probable Dust Scattering Rings from Flaring in the Black Hole GRS 1915+105
  50. X-Ray Flare in TeV-Detected Blazar 1ES 1218+304
  51. NICER, Swift, and NuSTAR observations of a rapid decay in XTE J1701-462
  52. NuSTAR+Swift observations and possible dimming of the new X-ray transient MAXI J1834-021
  53. SLX 1746-331: Swift/XRT confirmation of outburst
  54. X-rays observations of PSR B1259-63 do not show an increased X-ray activity at apastron
  55. The Lowest Historical 0.3-10 keV State of the TeV-Detected Blazar 1ES 1011+496
  56. MAXI J1834-021: Swift/XRT detection and localization
  57. Swift Bulge Survey: New outbursts from XTE 1739-285 and IGR J17445-2747 (Addendum)
  58. 4U 1630-47 still in outburst: Potential hard X-ray flaring recently detected by INTEGRAL and Swift/BAT
  59. MAXI J1747-249 is Swift J174805.3-244637 (AKA Terzan 5 X-3)
  60. Swift/XRT detection of the nova candidate TCP J17562787-1714548
  61. The Black Hole GRS 1915+105 is Still Active in X-rays
  62. Continued X-ray Monitoring of LS V +44 17 with NICER, Swift/BAT, and MAXI
  63. S-CUBED observations of eRASSU J012422.9-724248
  64. LS V +44 17 continues to rise beyond 2 Crab
  65. Swift-XRT detection of a new X-ray transient, Swift J103441.7-571527
  66. Rebrightening of 1 Crab from LS V+44 17 observed by Swift/BAT and NICER
  67. Blazar 4C+29.45 in a high X-ray state