AstroNotes

We report 6 ZTF superluminous supernova candidates selected by our software filter and subsequent human vetting. In this sample, a typical rise time is longer than 30 days and a typical peak r-band m…

This report includes classifications of 5 Type Ia's, 2 Type II's, 1 TDE (H-He), 1 SLSN type 1. We encourage followup observations!

Here we report the ATLAS discovery of the transient ATLAS24nse (AT2024ufz) in galaxy ESO 387- G 029 at magnitude m_o = 17.14 +/- 0.06. At a distance of 62 Mpc, the transient was discovered on MJD = …

This report includes classifications of 1 Type Ia, 1 Type Ia-CSM, 2 Type Ib's, 1 Type II, 1 Type IIb. We encourage followup observations!

This report includes classifications of 4 Type Ia's, 1 Type Ia-91T-like, 2 Type II's, 1 Type Ic and I SLSN-I. We encourage followup observations!

We have obtained an optical spectrum of SN 2024tvi, which shows it to be a Type II supernova exhibiting narrow features about one and a half weeks after explosion.

We report the spectroscopic classification of AT 2024tde as a flare from an M dwarf star.

We report 2 SLSN and 2 TDE candidates and 1 red, long-rising transient from the ZTF public alert stream, identified by the NEEDLE classifier running on the Lasair alert broker. We encourage spectrosc…

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.

This report includes classifications of 3 Type Ia's, 1 Type II. We encourage follow-up observations!

This report includes classifications of 2 Type Ia's, 1 Type II. We encourage followup observations !

This report includes classifications of 3 Type Ia's, 2 Type II's, 2 Type Ia-91T-like, 1 Type Ia-pec, 1 Type Ia-91bg-like, 2 Type Ic-BL, 1 Type Ib, 1 Type Ic, and 2 unclassified SN. We encourage follo…

Here we report the ATLAS discovery of the transient ATLAS24nio (AT2024stt) in galaxy AM 2220-632 at magnitude m_o = 18.57 +/- 0.11. At a distance of 83 Mpc, the transient was discovered on MJD = 605…

We report 4 SLSN candidates from the ZTF public alert stream, identified by the NEEDLE classifier running on the Lasair alert broker. We encourage spectroscopic classification of these events.

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…

We report 4 SLSN and 2 TDE candidates from the ZTF public alert stream, identified by the NEEDLE classifier running on the Lasair alert broker. We encourage spectroscopic classification of these even…

We report the classification of optical transient ZTF18abxnvoz/AT 2024pvu as a bright tidal disruption event (TDE).

We report 4 hostless candidates selected by the ELEPHANT pipeline.

Here we report the ATLAS discovery of the transient ATLAS24msc (AT2024ryv) in galaxy SDSS 00252872+2014158 at magnitude m_c = 19.05 +/- 0.13. At a distance of 57 Mpc, the transient was discovered o…

We report 5 hostless candidates selected by the ELEPHANT pipeline.

We report 10 SLSN-I and 2 TDE candidates from the ZTF public alert stream, identified by the NEEDLE classifier running on the Lasair alert broker. We encourage spectroscopic classification of these e…

We announce the next ZTF experiment, a wide area search for infant SNe to be conducted from August 9th to August 11th 2024 (PDT). This experiment is scheduled immediately preceding an opportunity for…

We report 3 hostless candidates selected by the ELEPHANT pipeline.

We report the NuSTAR detection of hard X-rays from the FBOT AT2024qfm and the evidence for soft X-ray variability from Swift-XRT

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 re-classify SN 2024pco/ZTF24aaupoba as a Ib-pec SN based on a recently obtained spectroscopic information.

We report a VLA X-band (10 GHz) observation of AT2024qfm, which resulted in a non-detection.

We report a Gemini GMOS-N observation of the transient AT2024qfm, discovered by ZTF (Forster et al. TNS TR No. 219620), highlighted to be a rapidly evolving transient by Fulton et al., (AstroNote 2…

We obtained Liverpool Telescope imaging follow-up of AT2024qfm, a fast and blue optical transient. The source has continued to fade rapidly and maintains a blue color, similar to previous AT2018cow-…

We observed AT 2024qfm (ZTF24aaxhxhf) with the Lulin One-meter Telescope in Taiwan on July 30 and 31, 2024. Our observations confirm that the object is rapidly fading by ~0.4 mag per day in the g ban…

We report 5 hostless candidates selected by the ELEPHANT pipeline.

We highlight the fast rising and fast declining extragalactic transient AT2024qfm (ZTF24aaxhxhf) found in the ZTF public alert stream. It was registered on the TNS by the ALeRCE team as a young super…

We report the spectroscopic classification with GTC OSIRIS+ of SN 2024nqr (ZTF24aauekqv) and SN 2024pgd (ZTF24aauywft) as type Ia supernova siblings in 2MASX J15122674+3232460 at a redshift of z = 0…

We report the classification of the optical transient AT 2024qab (RA = 18:14:06.192, Dec = +36:14:59.69, z = 0.1398) as a tidal disruption event (TDE) due to its persistent blue optical colours and f…

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…

We report observations of the blazar NVSS J004348+342626 with the Large Array Survey Telescope (LAST) during 4 nights, with the latest observations about 3 days before the detections in the X-ray ban…

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 5 hostless candidates selected by the ELEPHANT pipeline.

Here we report the ATLAS discovery of the transient ATLAS24lnc (AT2024psn) in galaxy MESSIER 094 at magnitude m_o = 18.57 +/- 0.16. At a distance of 5 Mpc (redshift independent, from NED), the trans…

We report on two ongoing transient events separated by ~12 arcsec, towards Seyfert 2 galaxy 2MASX J15122674+3232460, the brightest member of a group at z = 0.089. Follow-up observations of these tran…

This report includes classifications of 11 Type Ia's (1 SN Ia-91bg-like), 2 Type II's, 1 SN IIn, 1 SN Ibn, 1 SN Ic-BL, 2 blue featureless spectra and 1 QSO.

V & B Measurements for T Corona Borealis (T CrB) previous to its predicted (expected) eruption

This report includes classifications of 12 Type Ia's (10 normal, 1 Ia-91T, and 1 Ia-CSM), 2 Type II's, 2 Type Ibn's, 1 SN and 1 Nova.

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…

{{e.g. This report includes classifications of 9 Type Ia's, 3 Type II's and 1 SN.

We report 5 hostless candidates selected by the ELEPHANT pipeline.

This report includes classifications of 11 Type Ia's, 3 Type II's (one showing flash features), 1 core-collapse SN, and 2 galaxies.

Here we report the ATLAS discovery of the transient ATLAS24kyk (AT2024pfc) in galaxy IC 4367 at magnitude m_o = 18.12 +/- 0.12. At a distance of 60 Mpc, the transient was discovered on MJD = 60501.0…