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Swift ATels - 2025
Most recent ATels are listed at the top of the page.
- The Narrow-line Seyfert 1 galaxy Mrk 335 is switching on again after years in a deep low-state
- Swift X-ray non-detection of IRAS 21204+4913 close to its optical-outburst maximum
- Recurrent nova M31N 2008-12a: Swift/XRT detection of the SSS following the 2025 eruption
- Follow-up optical spectroscopy of the changing-look AGN IC 3599 in an X-ray, UV, and optical high-state
- EP251020a: Einstein Probe detection of an X-ray transient associated with the galaxy nucleus of LEDA 962438
- Swift detection of the Seyfert 1.9 galaxy IC 3599 in a bright X-ray state
- NuSTAR and Swift observations of the LPT CHIME J1634+44 in a radio-active state
- Archival Swift Observations of the Host Galaxy of the TDE AT2025aarm
- V1935 Cen becomes the second brightest super-soft source yet detected by Swift
- A descriptive title (Should have been "Emergence of super-soft emission from Nova V1935 Cen (PNV J14372177-5847400) detected by Swift/XRT")
- Potential optical outburst precursor in the black hole system GRO J0422+32
- V462 Lup has entered the super-soft X-ray phase
- Swift Observations of AT2025vjw
- Swift-XRT detection of supersoft emission in V572 Vel
- Strong X-ray outburst of IGR J06074+2205
- Early Swift-XRT detection of heavily-absorbed shock-powered X-rays from nova V1935 Cen = PNV J14372177-5847400
- Swift follow-up of the gamma-ray flaring NLSy1 1H 0323+342
- Swift follow-up of the X-ray transient EP250916a
- SRG/ART-XC and Swift/XRT detection of the on-going outburst from RX J1718.4-4029
- IXPE detection of a bright thermonuclear burst during the reflaring stage of SAX J1808.4-3658
- Swift Observations of the Repeating FRB 20240209A
- The detection of the X-ray emission from V572 Vel (Nova Vel 2025) with Swift XRT
- Swift/XRT follow-up observations of SAX J1808.4-3658
- CXOU J164710.2-455216: Swift/XRT flux enhancement following the detection of a burst
- A Soft Gamma Repeater burst from CXOU J164710.2-455216/PSR J1647-4552
- Mrk 279 reaches historic brightness maximum
- Evidence for Shock Power re-brightening in the SiFAP2 light curves of SN 2023ixf and upper-limits from the Swift satellite
- Swift XRT/WT upper limits on the X-ray emission from Nova Vel 2025 (V572 Vel)
- EP-FXT and Swift/XRT observations of EP250623a/EP J171159.4-333253: likely a new neutron star X-ray binary with type I bursts
- S-CUBED Detects a new outburst of the Be/X-ray binary SXP 8.80
- X-Ray Re-Flare in 1ES 1101-232
- Optical Reconnaissance of the nova V1405 Cas on Day +1546
- New outburst of the Galactic center transient Swift J174535.5-285921 seen with Swift/XRT
- The neutron star LMXB EXO0748-676 has returned to quiescence
- Multi-wavelength monitoring of MAXI J1957+032 from outburst to quiescence
- 4U 1630-47 in an unusually radio-bright state
- X-ray outburst of IGR J06074+2205 faint again
- S-CUBED Detects SXP 31.0 in Outburst for the First Time
- Long-Term X-Ray Flaring in the TeV-Decected Blazar 1ES 1101-232
- Swift XRT follow-up observations of 3C138
- Multiwavelength observations of KT Eri (=Nova Eri 2009) during the ongoing luminosity rise
- Continuing observations of KT Eri by Swift
- Swift observations of the new outburst of the BH transient 4U 1630-472
- Swift observations of SN 2025coe, a potential Ca-rich SN Ib
- Swift J001159.1+522440: Swift detection of an X-ray and UV transient
- Swift follow-up observations of FRB250316A and EP J120944.2+585060
- Einstein Probe detection of an X-ray transient EP250321b
- Swift XRT and UVOT Upper Limits of FRB 20250316A
- X-ray monitoring of the intermediate polar BG CMi during its low state
- SRG/ART-XC detection of the new X-ray transient SRGA J132851.0-632350 or renewed activity from IGR J13290-6323
- Swift/XRT position of MAXI J1744-294 near Sgr A*
- X-Ray Flare in the TeV-Detected Blazar S5 0716+714
- Strong multi-wavelength flaring activity from FSRQ OP 313 from optical to gamma rays