AstroNotes

This report includes classifications of 5 Type Ia supernovae.

This report includes classifications of 3 Type Ia SNe, 1 Type II SN, 1 Type Ic SLSN, 1 Type Ib SN, and 1 CV.

We highlight the unusual fast evolving nature of AT2023abbd. Discovered by Gaia Alerts, it has a fast rise and fade measured in Pan-STARRS and ATLAS survey data. The transient lies within the thin ed…

This report includes classifications of 2 Type Ia supernovae and one unknown object.

Here we report the ATLAS discovery of the transient ATLAS23xxs (AT2023abtj) in galaxy CGCG 521-028 at magnitude m_o = 18.11 +/- 0.10. At a distance of 53.4 Mpc, the transient was discovered on MJD …

Here we report the ATLAS discovery of the transient ATLAS23xws (AT2023abqf) in galaxy 2MASS J09461985+0304081 at magnitude m_o = 18.51 +/- 0.18. At a distance of 87.7 Mpc, the transient was discove…

Here we report the ATLAS discovery of the transient ATLAS23xvb (AT2023abdi) in galaxy KUG 1159+338 at magnitude m_o = 17.85 +/- 0.11. At a distance of 105 Mpc, the transient was discovered on MJD …

Here we report the ATLAS discovery of the transient ATLAS23xva (AT2023abdg) in galaxy NGC 7421 at magnitude m_o = 14.50 +/- 0.01. At a distance of 28 Mpc, the transient was discovered on MJD = 60302…

This report includes the classification of 6 Type Ia supernovae, 3 Type II supernovae and 1 SLSN-I supernova.

We report the classification of the optical transient ZTF23abohtqf/AT2023xen (RA = 07:52:12.679, Dec = +37:21:34.15, z = 0.1335) as a tidal disruption event (TDE) due to its persistent blue optical c…

This report includes classifications for 6 Type Ia supernovae and 4 Type II supernovae.

This reports includes the classification of 7 Type Ia supernovae, 3 Type II supernovae, one Type Ic supernova and one CV.

This report includes the classification of one Type Ia supernova and one CV.

We report the detection of rapidly-evolving transient ZTF23abulqve/AT 2023aafe, which rapidly rose to peak within a day and is now fading.

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…

We report the spectroscopic classification of AT2023zzk as a SN II (see ATel #16384).

This report includes the classification of three Type Ia, two Type II supernovae and one SLSN-IIn supernova.

This report includes the classification of 4 Type Ia supernovae and 4 Type IIn supernovae.

Through combined ATLAS and ZTF photometry, we report the fast rising and fast fading nature of the transient AT2023zzk, discovered by Zwicky Transient Facility (ZTF) collaboration on MJD == 60292.16…

This report includes the classification of 1 Type Ic and 1 Type II supernova.

Here we report the ATLAS discovery of the transient ATLAS23xjl (AT2023aaby) in galaxy NGC 2642 at magnitude m_c = 17.94 +/- 0.07. At a distance of 64 Mpc, the transient was discovered on MJD = 60292…

This report includes classifications of 5 Type Ia SNe.

We report Gemini GMOS-N observations of the transient AT2023zaw, discovered by Karambelkar et al., (AstroNote 2023-335) and Sollerman et al., (TNS TR No. 195300), and reported as a fast-fading transi…

We report spectroscopic observations of the fast-fading, red, subluminous transient AT2023zaw/ ZTF23absbqun from the Keck Comsic Web Imager.

We conducted observations of AT 2023zaw (ZTF23absbqun) using the 40cm-SLT at Lulin Observatory, Taiwan. Our observations confirmed that the object is showing rapid fading and appears red. Notably, th…

We have obtained an optical spectrum of SN 2023zps, which shows it to be a Type II supernova about 20 days after explosion.

We report the classification of the optical transient ZTF23abgnxfv/AT2023tmq as a tidal disruption event (TDE) due to its persistent blue optical colors and follow-up optical spectroscopy.

We report the discovery of ZTF23absbqun / AT 2023zaw - a fast-fading, subluminous and red transient in the galaxy UGC 03048 (45 Mpc).

This report includes classifications of 5 Type Ia SNe, 1 Type II SN, and 1 Type IIb SN.

This report includes classifications of 2 Type Ia SNe and 2 Type II SNe.

We report the discovery of a fast and bright supernova candidate (AT 2023zcu, ATLAS23wvm, ZTF23absdcgi) in the galaxy NGC 2139 using public ATLAS and ZTF data.

Here we report the ATLAS discovery of the transient ATLAS23wvm (AT2023zcu) in galaxy NGC 2139 at magnitude m_o = 19.03 +/- 0.15. At a distance of 27 Mpc (redshift independent, from NED), the transie…

This report includes classifications of 2 Type Ia SNe, 1 Type IIn SN, 2 AGN, and 2 AGN/ambiguous transients.

This report includes classifications of 3 normal Type Ia SNe, 1 Type II SN, and 1 peculiar Type Ia SN.

Here we report the ATLAS discovery of the transient ATLAS23wrc (AT2023ywh) in galaxy ESO 264- G 025 at magnitude m_o = 17.43 +/- 0.11. At a distance of 92 Mpc, the transient was discovered on MJD = …

Here we report the ATLAS discovery of the transient ATLAS23wne (AT2023ysz) in galaxy MESSIER 094 at magnitude m_o = 18.72 +/- 0.18. At a distance of 5 Mpc, the transient was discovered on MJD = 6028…

We report the classification of the optical transient ZTF23abaujuy/AT2023rvb (RA = 19:21:12.55, Dec = -22:38:39.60, z = 0.0815) as a tidal disruption event (TDE) due to its persistent blue optical co…

Here we report the ATLAS discovery of the transient ATLAS23wjy (AT2023ype) in galaxy 2MASX J04230449-6311594 at magnitude m_o = 18.16 +/- 0.13. At a distance of 84 Mpc, the transient was discovered …

Here we report the ATLAS discovery of the transient ATLAS23wjr (AT2023yoo) in galaxy NGC 7171 at magnitude m_o = 17.51 +/- 0.07. At a distance of 40 Mpc, the transient was discovered on MJD = 60276.0…

This report includes classifications of 2 Type Ia's.

This report includes classifications of 3 Type Ia's, 2 Type II's, 1 Type Ic-BL, and 1 variable star.

We report 6 ZTF superluminous supernova candidates selected by our software filter and subsequent vetting. In this sample, a typical rise time is about 50 days and a typical peak r-band magnitude is …

This report includes classifications of 2 Type II's, and 1 Type IIn

This report includes classifications of four Type Ia's and one Type II supernovae.

The Asiago Transient Classification Program (Tomasella et al. 2014, AN, 335, 841) reports the spectroscopic observations of AT2023xlu, AT2023xwi, AT2023xod, AT2023xlq, AT2023xxg, and AT2023xtf.

This report includes classifications of 1 Type Ia, and 1 Type II.

Discovery of AT2023xwo, a probable nova in M31.

This report includes classifications of 1 Type Ia, 1 Type IIn, 1 Type IIb, 1 Type Ic-BL and 3 blue featureless objects.

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.

The Asiago Transient Classification Program (Tomasella et al. 2014, AN, 335, 841) reports the spectroscopic observation of AT2023xqn, AT2023xoo, AT2023wtm, AT2023xqw, AT2023xlm, AT2023vyn.