AstroNotes

We report Pan-STARRS1 photometry of the rapidly fading AT2022qzr reported by Srivastav et al. (AstroNote 2022-164). The r and i band photometry suggests the rapid fading has flattened out and this wo…

We report 11 ZTF superluminous supernova candidates selected by our software filter and subsequent vetting. We encourage spectroscopic classifications.

We report the discovery of the fast, blue optical transient ZTF22aayluxo/AT2022qmt with the Zwicky Transient Facility (ZTF) at coordinates RA = 17:57:23.36; Dec = +56:16:15.21. The transient luminosi…

We have obtained an optical spectrum of SN 2022onj, which shows it to be a Type Ia supernova about two weeks after maximum light.

We have obtained an optical spectrum of ZTF22aautuax, which shows it to be a Type Ia supernova about two weeks after maximum light.

We report the classification of SN 2022qpp (ATLAS22ywb) as a young Type Ia supernova, using spectra from the Nordic Optical Telescope.

Here we report the new spectroscopic follow-up of SN2022oqm. Spectroscopic observations were performed on MJD 59788.37 (2022-07-28 08:56:02 UTC) with SNIFS on the University of Hawaii 2.2-meter Teles…

We report the discovery of the fast, blue, and luminous optical transient SN2022pff, and its subsequent classification as a Type Ibn supernova.

We have obtained an optical spectrum of SN 2022ohh, which shows it to be a Type Ia supernova about a week after maximum light.

We report on the discovery of an infrared transient from NIRCam images taken by the James Webb Space Telescope on MJD 59752.362583, [Finkelstein et. al, ERS 1345]. We detect a new point source locate…

We report the spectroscopic observation of Type IIn SN 2022myl. The spectrum shows a blue continuum and H and HeI emission lines. We find a good match with SN 2009ip 2 days after maximum.

We classify and re-classify a number of supernovae from the ZTF BTS, mostly old ones that are of the stripped envelope type.

We report the ZTF discovery of SN 2022oqm / ZTF22aasxgjp - a rapidly rising young type I supernova in the nearby galaxy NGC 5875, z=0.0113. At a distance of ~50 Mpc the transient was discovered on J…

We report six ZTF superluminous supernova candidates selected by our software filter and subsequent vetting. We encourage spectroscopic classifications.

We report the detection of a fast, blue, luminous optical transient in ZTF and ATLAS observations. Spectra with several facilities show a featureless intrinsic spectrum with weak host emission lines…

We report the classification of SN 2022ngb (ATLAS22res) in UGC11380 as a young Type IIb supernova using spectra from the Nordic Optical Telescope.

We observed AT2022ngb (ATLAS22res) with the Lulin One-meter Telescope, Taiwan. We confirmed that the object is fast fading. We found the colour is red with g-r ~ 0.5 mag, g-i ~ 0.6 mag and g-z ~ 0.7 …

A Keck DEIMOS spectrum was taken on 2022-06-08. A clear H-alpha emission at z=0 is identified, which suggests AT2022lnd is a galactic CV.

We report 9 ZTF superluminous supernova candidates selected by our software filter and subsequent vetting. We encourage spectroscopic classifications.

Here we highlight the fast-evolving nature of AT2022lnd through combining ZTF, Pan-STARRS and ATLAS survey data. The transient was discovered by ZTF (ZTF22aalwamk) on MJD 59729.37 (2022-05-30 08:58:3…

Low Resolution SALT-RSS Spectroscopy of AT2022kms in NGC55 reveals a blue continuum with strong Balmer emission lines, similar to known Luminous Red Novae. The source is expected to further brighten …

MeerLICHT data on AT2022kms shows a first detection on 2021-11-24 at q=20.01+/-0.17 and a steady rise since.

This report includes classifications of 3 Type Ia's (of which one is 91bg-like), 2 Type II's (of which one is possibly showing a high velocity Halpha) and a Type Ic.

This report includes classifications of 3 Type Ia's, 3 Type II's and an updated classification of AT2022jkx as a Type Ib.

This report includes classifications of 3 Type Ia's, a Type II, a young type IIb and an AGN at z=0.14.

We report the ZTF discovery of ZTF22aakdbia / 2022jzc - a young supernova in a nearby galaxy (z=0.0029). At a distance of ~13 Mpc the transient was discovered on May 16, 2022 at 04:54 UT with an abs…

We announce the DECam Survey of Intermediate Redshift Transients (DESIRT), a time domain program using the Dark Energy Camera (DECam). We repeatedly observe in g,r,z bands regions of the sky that the…

We report the classification of AT2022hvp as a very luminous TDE at a redshift of z = 0.12, from SNID template matching which is consistent with the photoZ (0.124 +/- 0.0114) of host galaxy SDSS J095…

This report includes classifications of 11 optical transients: two Type Ia's, one Type Ib one type Ia-91T and four CVs. AT 2022jhn is a Imposter-SN, AT 2022jgu is mostl likely a variable star. Clas…

This report includes classifications of 3 Type Ia's, 4 Type II's. Observations of AT2022ivt was attempted, however the transient was not seen in the acquisition image. Similarly AT2022fzy was attemp…

The Young Supernova Experiment (YSE) reports the reclassification of AT 2022czy as a tidal disruption event.

The Young Supernova Experiment (YSE) collaboration reports the classification of 6 optical transients using the Gemini GMOS-S: 2 type II, 2 type Ia, 1 SN I, and 1 SN IIn. We also share new spectra fo…

We report the ZTF discovery of SN 2022hnt / ZTF22aafrjnw - a rapidly rising young supernova in the nearby galaxy NGC 3759A , z=0.0192. At a distance of ~84 Mpc the transient was discovered on April …

We report 7 ZTF superluminous supernova candidates selected by our software filter and subsequent vetting. The candidates show a variety of light curve morphologies and a typical peak r-band magnitud…

This report includes the classification of 1 Type Ia. We encourage follow-up observations.

This report includes classifications of 2 Type Ia's and a CV.

This report includes classifications of 5 Type Ia's, 2 Type Ia-91T's, 1 Type Ia-91bg, 3 Type II's, 1 Type IIn, 1 Type Ib, 1 Type Ic, 1 Type Ic-BL and 1 probable SN. We encourage follow-up observation…

This report includes 4 classifications: an SNIa, an SNIb, an SNIc and an SNII. We encourage follow-up observations.

This report includes classifications of 6 Type Ia's, 2 Type II's and 3 CVs. We encourage follow-up observations.

This report includes the classifications of 5 Type Ia's and 1 potential TDE. We encourage follow-up observations.

This report includes classifications of 3 Type Ia's, 1 Type IIn and I Type Ib/c. AT2021achc likely has a stellar origin. We confirm the classification of SN2022ara by ZTF as a Type Ib. We encourage …

We report 10 ZTF superluminous supernova candidates selected by our software filter and subsequent vetting. We encourage spectroscopic classifications.

This report includes classifications of 3 Type Ia's and 1 Type I SN. We encourage followup observations.

This report includes classifications of 3 Type Ia's, 2 Type IIb's and 1 Type I SLSN. SN 2022csn is a Type I SLSN showing O II lines. SN 2022eji shows broad He I, weak H-alpha and possible He II. This…

We report the discovery of ZTF22aacyiqk / AT 2022ebw, a nearby transient candidate in the galaxy NGC 4605 (z=0.000454) reported by the ALeRCE broker (TNS #138925) using the ZTF public alert stream. T…

This report includes classifications of 3 Type Ia's and 1 Type II, 1 SLSN and 1 TDE. 2022czy has a blue continuum and is potentially a SLSN. 2022dsb is a TDE. We encourage followup observations.

This report includes classifications of 5 Type Ia's, 1 SLSN-I and 1 SLSN-II. SN 2022cvz is likely a SLSN II, whereas SN 2021ahpl is a candidate SLSN-I. We encourage followup observations.

We report 4 ZTF superluminous supernova candidates selected by our software filter and subsequent vetting. In this sample, a typical rise time is about 40 days and a typical peak r-band magnitude is …

This report includes classifications of 3 Type Ia's, 2 Type II's and a Type Ib. 2022cvu (z = 0.032) shows a blue, featureless spectrum. We encourage followup observations.