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Message History

An unusual rapid optical brightening of the blazar IVS B0125+487 (GB6 J0128+4901; z=0.067 Marcha et al. 1996, MNRAS 281, 425) was observed by the NMW-TexasTech transient survey. ...

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The MAGIC and CTAO LST Collaborations report the detection of very-high-energy (VHE; E > 100 GeV) gamma-ray emission from NGC 1275 (a.k.a. 3C 84, R.A. 49.95 deg, Dec. ...

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The beginning of a new outburst of Gaia20cnt/ASASSN-14fc/AT 2020loj was detected during our monitoring of the object with a Unistellar eVscope (provided by Mike Simmons through the Astronomy for Equity program). ...

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We report the classifications of astrophysical transients from spectroscopic observations with the Keck Cosmic Web Imager (KCWI) on the Keck II telescope obtained on 2026 September 16 UT. ...

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We report photometric observations of Type Ia-91T SN 2026pel (TNSTR-2026-2509), obtained with the OAUNI 51cm telescope (arXiv:1512.03104) at Huancayo Observatory, Peru. ...

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