AstroNotes

We report on a re-brightening or second transient event towards the position of AT 2024led / ZTF24aarjcbz on ZTF light curves, 133 days after discovery. Both events lie towards the center of SDSS J21…

Here we report the ATLAS discovery of the transient ATLAS24ppd (AT2024zan) in galaxy MCG -01-01-026 at magnitude m_o = 18.91 +/- 0.18. At a distance of 81 Mpc, the transient was discovered on MJD = …

We report the classification of two optical transients (Type Ia SNe).

We report the classification of three optical transients (2 post-peak Type Ia SNe and one Type II SN).

Here we report the ATLAS discovery of the transient ATLAS24por (AT2024yyu) in galaxy (pair) UGC 12288 at magnitude m_o = 19.08 +/- 0.17. At a distance of 75 Mpc (redshift independent, from NED), the…

We report the classification of four optical transients (3 type Ia SNe and one Type II SN).

This report includes the classification of 2 transients.

We report 6 SLSN and 1 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 three optical transients (type Ia SNe).

We report 11 hostless candidates selected by the ELEPHANT pipeline.

Here we report the ATLAS discovery of the transient ATLAS24pks (AT2024yki) in galaxy IC 5187 at magnitude m_o = 17.81 +/- 0.15. At a distance of 65 Mpc, the transient was discovered on MJD = 60600.2…

We report the classification of optical transients ZTF24abfuwbm/AT 2024vip and ZTF24abjfuew/AT 2024wsd as tidal disruption events (TDEs).

We report 3 SLSN candidates, and 1 ambiguous TDE or SLSN candidate from the ZTF public alert stream, identified by the NEEDLE classifier running on the Lasair alert broker. We encourage spectroscopic…

MISTRAL@T193OHP spectroscopic classification of AT2024xdo as a YSO

MISTRAL@T193OHP spectroscopic observations of SN2024vro and SN2024xyn

This report includes classifications of two Type Ia SNe and one unclassified spectra.

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 report the ATLAS discovery of the transient ATLAS24pht (AT2024xyz) in galaxy MCG -01-25-037 at magnitude c = 18.52 +/- 0.12. At a distance of 81.6 Mpc, the transient was discovered on MJD = 6…

We report observations of the blazar BL Lacertae with the Large Array Survey Telescope (LAST) during two nights on 8 and 10 October 2024 following-up recent reports of multi-wavelength outburst.

This report includes classifications of 1 Type IIb, 1 unclassified SN and 1 unclassified event. We encourage followup observations.

Here we report the ATLAS discovery of the transient ATLAS24phs (AT2024xyn) in galaxy 2MFGC 2100 at magnitude o = 18.19 +/- 0.12. At a distance of 93.8 Mpc, the transient was discovered on MJD = 60596…

Here we report the ATLAS discovery of the transient ATLAS24pgn (AT2024xuo) in galaxy IC 2554 at magnitude m_o = 17.46 +/- 0.16. At a distance of 26 Mpc (redshift independent, from NED), the transien…

We report 1 SLSN candidate, 3 TDE candidates, and 1 uncertain candidate from the ZTF public alert stream, identified by the NEEDLE classifier running on the Lasair alert broker. We encourage spectros…

We tentatively classify SN 2024vcn as a peculiar Type Ia/Ic supernova based on follow-up spectra from the NOT.

Here we report the ATLAS discovery of the transient ATLAS24peb (AT2024xmc) in galaxy UGC 04970 at magnitude m_o = 18.47 +/- 0.13. At a distance of 52 Mpc (redshift independent, from NED), the transi…

Here we report the ATLAS discovery of the transient ATLAS24pbl (AT2024xjl) in galaxy NGC 2721 at magnitude m_c = 18.86 +/- 0.18. At a distance of 60 Mpc (redshift independent, from NED), the transie…

We have obtained an optical spectrum of SN 2024wrc, showing it to be a reddened Type Ia supernova a few days after maximum light. This is the third Type Ia supernova in the same galaxy within 7 years.

This report includes classifications of 4 Type Ia's, 2 Type II's, 1 Type Ic and 1 Type Ibn. We encourage followup observations.

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 report 2 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…

This report includes classifications of 1 Type Ia, 1 Type Ib, 1 Type Ic and 2 unclassified events. We encourage follow-up observations.

We observed the transient and host galaxy of the fast, blue transient AT2024wpp with the Keck Cosmic Web Imager integral field unit spectrograph on the Keck II telescope. The host spectrum shows a …

We report 5 ZTF superluminous supernova candidates selected by our software filter and subsequent human vetting. In this sample, a typical rise time is longer than 50 days and a typical peak r-band m…

NuSTAR hard X-ray detection of the FBOT candidate AT2024wpp

We report 5 hostless candidates selected by the ELEPHANT pipeline.

We report the confirmation of an X-ray detection for the rapidly rising (3 mag/day) and blue optical transient, AT 2024wpp.

We report photometry, spectroscopy, and X-ray observations of a rapidly rising (3 mag/day) and blue optical transient.

Here we report the ATLAS discovery of the transient ATLAS24onc (AT2024wqv) in galaxy ESO 297- G 016 at magnitude m_o = 19.60 +/- 0.20. At a distance of 81 Mpc, the transient was discovered on MJD = …

Here we report the ATLAS discovery of the transient ATLAS24onl (AT2024wri) in galaxy WISEA J191243.10-035609.5 at magnitude m_c = 18.02 +/- 0.06. At a distance of 77.8 Mpc, the transient was discov…

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 report 5 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 identification of fast-fading blue emission in the transient AT2024vsc, as well as a candidate high photo-z host galaxy.

We announce an upcoming extragalactic experiment with the Zwicky Transient Facility (ZTF), scheduled to take place over three consecutive nights beginning on 2024-09-22 at 02:38 UT. Each night, the e…

2024vjm was discovered by BlackGEM in the nearby galaxy NGC 6744 at 7 Mpc. The transient was classified as a peculiar Nova. However, the current absolute magnitude (~ -13) is incompatible with Novae…

We report the discovery of 39 transient/variable sources likely at redshifts z = 0.437-5.271, each discovered in GOODS-N. We discovered these sources using two sets of 3-band JWST/NIRCam images separ…

We report the radio detection of the TDE AT2024rny (z = 0.1055; TNS Classification Report No. 17882) with the VLA Ku-band receiver (~15GHz) at a flux density of 49 +/- 5 microJy.

We report 4 SLSN and 1 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 present the findings of the first ZTF Flexible Weekends experiment. We report 101 transients discovered during the three nights (August 10 - 12 2024 UTC) and that SN 2024ryv was selected for HST U…

This report includes classifications of 2 Type Ia SNe and a star.