AstroNotes

We report on the optical photometric follow-up of SN2024ggi conducted with the BHTOM.space global telescope network.

We report the rapidly rising ATLAS light curve of the transient AT2022mop, initially discovered by Pan-STARRS2 in 2022. Forced photometry history in Pan-STARRS, ZTF and ATLAS shows evidence for mult…

We report on the optical photometric follow-up of SN2024iss conducted with the BHTOM.space global telescope network.

We present multi-band ( SDSS g&r) photometric follow up observations of selected optical transients using 1.82-m Plaskett Telescope + CCD at Dominion Astrophysical Observatory of the National Researc…

We report ZTF observations of a rapidly fading transient, AT2024aehp (ZTF24abygbss). The spectroscopic redshift of the host galaxy is z = 0.170, implying a peak absolute magnitude of M_g ~ -20.5 AB m…

BGEM J132515.39-425833.7 / AT2024aeql was recently discovered by the BlackGEM and GOTO telescope arrays at q/L =18.5. The object is located ~2' NW of the core of Centaurus A / NGC 5128, at a distance…

We present multi-band ( SDSS g&r) photometric follow up observations of selected optical transients using 1.82-m Plaskett Telescope + CCD at Dominion Astrophysical Observatory of the National Researc…

BlackGEM Transient Reports come standard with finder charts

We present multi-band ( SDSS g&r) photometric follow up observations of selected optical transients using 1.82-m Plaskett Telescope + CCD at Dominion Astrophysical Observatory of the National Researc…

We present (SDSS) g&r filter photometric follow up observations of selected optical transients obtained using the 1.82-m Plaskett telescope of the (Dominion Astrophysical Observatory) National Resear…

We present (SDSS) g&r filter photometric follow up observations of selected optical transients obtained using the 1.82-m Plaskett telescope of the (Dominion Astrophysical Observatory) National Resear…

Here we present multi-band photometric follow up observations of 13 optical transients using 1.82-m Plaskett Telescope + CCD at Dominion Astrophysical Observatory of the National Research Council of …

We present photometric follow up observations of selected optical transients obtained using the 1.82-m Plaskett telescope of the (Dominion Astrophysical Observatory) National Research Council of Cana…

Here we present photometric follow up observations of selected optical transients obtained using the 1.82-m Plaskett telescope of the (Dominion Astrophysical Observatory) National Research Council of…

We report on the ATLAS forced-photometry detection of the fast rising and fading transient ZTF24abefmrx / AT 2024uaq

We report the identification of ZTF24abefmrx/AT 2024uaq as a fast rising (1.5 mag/day) and subsequently rapidly fading (0.25 mag/day) transient, on the basis of ZTF forced photometry and follow-up ob…

We report 545 supernova candidates discovered by the 2.5-m Wide Field Survey Telescope during a pilot survey from March 6th to July 10th, 2024.

We report 9 ZTF superluminous supernova candidates selected by our software filter and subsequent human vetting. In this sample, a typical rise time is longer than 20 days and a typical peak r-band m…

Here we present photometric follow up observations of selected optical transients obtained using the 1.82-m Plaskett telescope of the (Dominion Astrophysical Observatory) National Research Council of…

Here we present photometric follow up observations of selected optical transients obtained using the 1.82-m Plaskett telescope of the (Dominion Astrophysical Observatory) National Research Council of…

We present luminous optical, UV, X-ray, and radio detections of the fast transient AT2024kmq (z=0.192). The transient is spatially coincident with the nucleus of an early-type galaxy, and we consider…

Here we present photometric follow up observations of selected optical transients using 1.82-m Plaskett telescope of the Dominion Astrophysical Observatory (HAA) National Research Council of Canada.

We report the classification of 2 superluminous supernovae using the Shane Kast spectrograph at the Lick observatory on the night of 2024-07-08. 2024jlc may also be the second closest Type-I superlum…

Here we present photometric follow up observations of selected optical transients using 0.76-m Baker-Nunn Schmidt Telescope + CCD at Rothney Astrophysical Observatory of the University of Calgary and…

We report 9 ZTF superluminous supernova candidates selected by our software filter and subsequent human vetting. In this sample, a typical rise time is longer than 20 days and a typical peak r-band m…

We present follow-up observations of the young Type II SN 2024jlf.

We report the discovery of an transient in NIRCam images of the SMACS-0723 field taken by the James Webb Space Telescope on MJD 60441.82 (GO-4043, PI Callum Witten). We detect a new source at RA=110…

We detected a previously unknown variability (~0.3 magnitudes fading) of GSC2.3 N81Z000565 in the KATS database. More continuous data shows that the fading happened around HJD 2459658 and reached a m…

Here we present multi-band photometric follow up observations of 9 optical transients using 1.82-m Plaskett Telescope + CCD at Dominion Astrophysical Observatory of the National Research Council of C…

We report 9 ZTF superluminous supernova candidates selected by our software filter and subsequent vetting. In this sample, a typical rise time is about 30 days and a typical peak r-band magnitude is …

We report the spectroscopic observations of the rapidly fading AT2024fkm, with spectral and light curve appearances reminiscent of AT2017gfo.

Here we present multi-band photometric follow up observations of 11 optical transients using 1.82-m Plaskett Telescope + CCD at Dominion Astrophysical Observatory of the National Research Council of …

We report the discovery and classification of ZTF24aahgaov / SN 2024epr - a peculiar, young, thermonuclear supernova in the nearby galaxy NGC 1198 (~25 Mpc).

We present new photometric and spectroscopic observations of SN 2024amf. The spectra show narrow emission lines from H-alpha and [O III]-5007 at a common redshift of 0.0673, lowering the peak absolut…

We report new radio observations of the tidal disruption event (TDE) AT2024bgz/ZTF24aaecooj.

We report the serendipitous discovery of an optical transient in NGC 1325 using Gemini GMOS-S.

A spectrum of the slow-rising transient SN2024ahr (ZTF24aacrbua) obtained ALFOSC on the Nordic Optical Telescope shows broad features consistent with previous Type I superluminous supernovae at a red…

Here we present Multi-Senor Photometric Follow-up of Probable Novae in M31 using 3 different observatories in Canada. 1) DAO - 1.82-m Plaskett telescope (Dominion Astrophysical Observatory) 2) RAO …

Here we present multi-band photometric follow up observations of 17 optical transients using 1.82-m Plaskett Telescope + CCD at Dominion Astrophysical Observatory of the National Research Council of …

We report long-duration, pre-explosion activity in the type IIn SN 2023vbg (ZTF23abkhwgb, ATLAS23yal) located in the dwarf galaxy SDSS J074343.73+342230.2 at a redshift of 0.0173

Here we present multi-band photometric follow up observations of selected optical transients using 1.82-m Plaskett Telescope + CCD at Dominion Astrophysical Observatory of the National Research Counc…

Here we present multiband photometric follow up observations of SN2023wrk in NGC 3690 discovered by B. Godson et al. (GOTO) on 2023-11-04.229. The observations were done using a 91mm refractor + CMOS…

We report the discovery of AT2024qc in WISEA J103650.74-260918.8 at 55 Mpc, detected at q_AB = 17.5 with the BlackGEM-4 ("Emerald") telescope.

We announce the first three-day high-cadence experimental survey with the Zwicky Transient Facility (ZTF) and report five fast-evolving transients found during the first extra-galactic pilot: AT 2023…

Here we present Sloan g' band photometric follow up observations of 8 optical transients using 1.82-m Plaskett Telescope + CCD at Dominion Astrophysical Observatory of the National Research Council o…

Discovery of AT2023xwo, a probable nova in M31.

We present LT SPRAT and Palomar P200 DBSP observations of the blue, long rising transient ZTF23abjuxso/2023vek/PS23jmv. We classify it as an SLSN-I at a redshift of z = 0.2466.

We report the ATLAS discovery of AT2023xje (ATLAS23vig). It is currently at a magnitude of m_c = 18.91 +/- 0.08 and is offset by 1.6 arcsecs from the likely host galaxy MRSS 363-122768, whose redshif…

Here we present multi-band photometric follow up observations of 9 optical transients using 1.83-m Plaskett Telescope + CCD at Dominion Astrophysical Observatory of the National Research Council of C…

Here we present photometric follow up observations of 2023uri in M31 discovered by XOSS (J. Xu, et. al) on 2023-10-11 14:12 UT.