AstroNotes

This report includes classifications of 1 faint Type Iax, 1 Type Ic, one possible SLSN and one AGN.

BlackGEM discovery of possible young supernova in NGC 1398 with a 1.96 day explosion constraint.

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

We report 3 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 the most recent outburst of AT2024xuo as a likely interacting SNIIn.

Here we report the ATLAS discovery of the transient ATLAS25akl (AT2025mb) in galaxy NGC 0150 at magnitude m_o = 18.01 +/- 0.14. At a distance of 20 Mpc (redshift independent, from NED), the transien…

The Young Supernova Experiment (YSE) collaboration reports the results and data products from the completed Gemini Large and Long Program (LP-204) entitled "A Spectroscopically Complete Census of Fai…

This report includes classifications of 1 Type IIn and 1 Ib/c. We encourage follow-up observations.

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

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

We have obtained an optical spectrum of SN 2025gc, which shows it to be a Type Ic supernova exhibiting SN 1998bw-like features, about a month after maximum light. The supernova occurred in the same g…

This report includes classifications of 4 Type Ia's. We encourage follow-up observations.

We report 5 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…

This report includes classification of 1 AGN and 1 Type II SN. We encourage follow-up observations.

This report includes classifications of 6 Type Ia's. We encourage follow-up observations.

This report includes classifications of 1 Type Ia and 1 SLSN-II. We encourage follow-up observations.

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

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…

Here we report the ATLAS discovery of the transient ATLAS25aco (AT2024agld) in galaxy NGC 0441 at magnitude m_c = 18.95 +/- 0.14. At a distance of 75 Mpc, the transient was discovered on MJD = 60675…

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

This report includes classifications of one Type Ia SN and one young SN. SN2024afpg was discovered one day ago in the galaxy UGC 05825 with a non-detection three days earlier. The spectrum does not s…

Here we report the ATLAS discovery of the transient ATLAS24rzf (AT2024afpg) in galaxy UGC 05825 at magnitude m_o = 18.49 +/- 0.11. At a distance of 53 Mpc, the transient was discovered on MJD = 6067…

This report includes a classification of one Type II SN and one galactic CV.

This report includes classifications of 9 Type Ia's, a SLSN-I and a type Ic SN. We encourage followup observations.

This report includes classifications of 5 Type Ia's, 1 Type II, 1 Type IIn, 1 featureless blue continuum and 1 CV. SN2024acyk is a bright one month old type IIn, showing strong narrow H emission line…

This report includes a classification of one young SN previously classified as Type II SN.

Here we report the ATLAS discovery of the transient ATLAS24rtw (AT2024aews) in galaxy ESO 216-G039 at magnitude o = 17.66 +/- 0.09. At a distance of 74 Mpc, the transient was discovered on MJD = 6066…

Here we report the ATLAS discovery of the transient ATLAS2024rsv (AT2024aevb) in galaxy LEDA 170037 at magnitude o = 18.96 +/- 0.18. At a distance of 84 Mpc, the transient was discovered on MJD = 606…

This report includes the classification of 2 type Ia's, a nova and a featureless blue continuum transient. SN2024aeqs is a SN at ~65 Mpc with a recent non-detection from 2 days ago. We encourage foll…

This report includes classifications of one Type Ia supernova and one CV. We also confirm the classification of SN2024aeet as a type Ia SN. We encourage followup observations.

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…

This report includes classifications of 3 type II's, a SLSN-II and a featureless-TDE. We encourage followup observations.

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…

We report the transformation of the SN IIb 2020jfv to an SN IIn. A public classification of IIb and a redshift of z=0.01709 was reported from an SEDM spectrum obtained on 2020-06-20T10:36:21, in whic…

We report ATLAS forced photometry of the type IIb SN 2024aecx (ATLAS24rkq) recently discovered by ATLAS in NGC 3521. After reaching maximum light in about a day, ATLAS forced photometry shows a fast …

Here we report the ATLAS discovery of the transient ATLAS24rks (AT2024aedt) in galaxy UGC 01325 at magnitude m_o = 18.55 +/- 0.18. At a distance of 73 Mpc, the transient was discovered on MJD = 6066…

We observed AT 2024aecx (ATLAS24rkq) using the 40 cm SLT at Lulin Observatory, Taiwan. Our observations confirm that the object is very blue, with (g-r) = -0.6. Additionally, the object has slightly …

Here we report the ATLAS discovery of a (very likely) young supernova ATLAS24rkq (AT2024aecx) in galaxy NGC 3521 at magnitude m_o = 14.68 +/- 0.01. At a distance of 11 Mpc (redshift independent, fro…

We report 3 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 highlight the fast-rising and red extragalactic transient AT2024advj (ZTF24abxpkhb) found in the ZTF public alert stream. The Fritz science team registered it on the TNS as a young supernova candi…

We report Las Cumbres Observatory multi-band photometry of the type Ia SN 2024aduf in NGC 5945 (60 Mpc)

We report SWIFT XRT and UVOT observations of a rapidly evolving transient, AT2024adec (ZTF24abvevzs).

This report includes classifications of 1 Type Ia supernova

This report includes classifications of 5 Type Ia's, 1 Type Ic-BL, 1 nuclear transient, 1 spectrum resembling a black-body and 1 reclassification of a Ibn SN. We encourage followup observations, es…

This report includes classifications of 2 Type II's and 2 Type Ia's (one of which is likely a 91T-like) . We encourage followup observations.

This report includes classifications one Type Ia SN and a transient of unknown type. We particularly encourage followup observations of 2024adju

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 highlight the fast rising and fast declining extragalactic transient AT2024adec (ZTF24abvevzs) found in the ZTF public alert stream. It was registered on the TNS by the ALeRCE team as a young supe…

This report includes classifications of 6 Type Ia's, 1 Type IIb, 1 Type Ic-BL and 1 SN of uncertain type. SN2024acyl is a young SN. Its spectrum exhibits prominent He II 4686, resembling either a yo…

This report includes classifications of 2 Type Ia's, one of which as a 91T-like, and 1 Type II.