AstroNotes

This report includes classifications of 3 Type Ia's and a Type I. 2021acx is possibly a luminous SN Ia/Ic. We encourage followup observations.

We have obtained an optical spectrum of SN 2021pz, which shows it to be a young Type II supernova.

This report includes classifications of 1 Type Ia and 1 Type II. 2021zj is likely a young SN II showing flash ionisation signatures. We encourage followup observations.

We report the spectroscopic classification of the following transients: AT2021xm as a Galactic CV; AT2021tf as a quasar.

This report includes classifications of 5 Type Ia's, 1 Type Ibc, 3 Type II's and 1 uncertain transient. 2021ok is an orphan transient whose spectrum resembles a blue continuum with possible shallow f…

This report includes classifications of 8 Type Ia's, 1 Type Ia-CSM, 1 Type Ic, 1, SLSN-I, 1 Type II and 1 galaxy. The spectrum obtained for 2020aeus is consistent with a galaxy, however, a transient …

We report the discovery of ZTF21aabgpub / AT 2021ia, a transient associated with the gravitationally lensed system 2M J1134-2103 (Lucey et al. 2018), reported by the ALeRCE broker (TNS #95604) using …

This report includes classifications of 5 Type Ia's, 1 Type Ia-91T, 1 Type Ib and 1 Type II. We encourage follow-up observations.

This report includes classifications of 6 Type Ia's, 1 Type Ia-91T, 1 CV and 1 featureless blue continuum. 2021ft is possibly a young transient whose spectrum resembles a blue featureless continuum. …

We announce the public release of the ATLAS forced photometry server, which provides public access to photometric measurements over the full history of ATLAS survey.  

This report includes classifications of 9 Type Ia's and 4 Type II's. SN2020acsk is a peculiar Type II supernova, showing features resembling that of SN-IIb close to peak, as well as SN1987A. We encou…

This report includes classifications of 3 Type Ia's and a Ia-91T. SN2021J is a nearby Ia at ~18 Mpc, around two weeks before maximum. We encourage followup observations.

qTNSm is a stand alone command line utility (written in zsh) which queries TNS and downloads classified or unclassified events for requested months in a given year. The output is a tsv file for each…

We report the discovery of ZTF21aaabvit / AT 2021J, a nearby rising transient in galaxy NGC 4414 reported by the ALeRCE broker (TNS #95259) using the ZTF public alert stream. The object was detected …

This report includes classification of 1 Type Ia supernova at z = 0.027.

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

Here we report the classification of 11 optical transients with 6 SN Ia: SN2020aabj, SN2020abcg, SN2020abjl, SN2020abrg, SN2020acaj, SN2020acca; 1 SN Ia-91bg: SN2020acbx; 2 SN Ic: SN2020aauc, SN2020a…

This report includes classifications of 3 Type Ia's and 1 Type II.

This report includes classifications of 4 Type Ia's, 1 Type Ib

We have obtained an optical spectrum of SN 2020acug, which shows it to be a young Type II supernova.

This report includes classifications of 4 Type Ia's, 1 Type Ic-BL, and 1 Type II.

We have obtained an optical spectrum of SN 2020acod, which shows it to be a normal Type Ia supernova 6 to 8 days before maximum brightness.

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

We have obtained an optical spectrum of SN 2020acei, which shows it to be a Type Ia supernova 4 to 6 days before maximum brightness.

This report includes classifications of 2 Type Ia's.

Here we report the ATLAS discovery of the transient ATLAS20bhzu (AT2020acpi) in galaxy ESO216-G021 at magnitude c = 18.78 +/- 0.15. At a distance of 74.4 Mpc, the transient was discovered on MJD = 59…

This report includes classifications of 5 Type Ia's, and 2 Type II's.

Here we report the discovery of 24 transient objects as part of the Pan-STARRS Survey for Transients (PSST) found by citizen scientists involved in the Supernova Hunters Zooniverse Project. This too…

Here we report the ATLAS discovery of the transient ATLAS20bhnw (AT2020acma) in galaxy ESO 437- G 019 (67 Mpc) at magnitude c = 17.87 +/- 0.07. At a distance of 67 Mpc, the transient was discovered o…

Here we report on a classification spectrum for AT2020acli (DLT20aa), a faint transient (r=18.5 mag; M_r=-8.0 mag) discovered in NGC300 by the DLT40 survey.

We have obtained an optical spectrum of SN 2020acae, which shows it to be a normal Type Ia supernova close to maximum light.

We have obtained an optical spectrum of SN 2020abty, which shows it to be a young Type II supernova.

This report includes classifications of 2 Type Ia's, 1Type Ic broad line, and SN2020abyj, which is a CC SNe with narrow Balmer lines and HeII.

Here we report the ATLAS discovery of the young supernova ATLAS20bhfe (AT2020acat) in galaxy PGC 037027 at magnitude o = 18.48 +/- 0.14. At a distance of 38 Mpc, the transient was discovered on MJD =…

This report includes classifications of 1 Type Ia, 1 Type II, and a very young Type IIb SNe. SN2020abbw looks similar to the peculiar SNIa PTF11kx.

This report includes classifications of 4Type Ia's.

Here we report the ATLAS discovery of the transient ATLAS20bhby (AT2020abyx) in galaxy ESO 509- G 045 at magnitude m_o = 16.76 +/- 0.03. At a distance of 48 Mpc (redshift independent, from NED), the…

This report includes classifications of 2 Type Ia's.

This report includes classifications of 2 Type Ia, 2 Type II, 1 Type SLSN-IIn. SN2020abtf shows a blue continuum with a bump at around ~4700A, which we associated to CIV 4648A. We classified it as a …

Here we report the discovery and classification of SN2020abog (ZTF20acpgjac) as a SN Ia.

Here we report the classification of 3 optical transients with 1 SN Ia: SN2020aajf and 2 SN IIP: SN2020tfb and SN2020vfv.

Here we report the ATLAS discovery of the transient ATLAS20bgkn (AT2020able) in galaxy WISEA J092602.94+243114.9 at magnitude o = 18.95 +/- 0.18. At a distance of 108 Mpc, the transient was discovere…

Here we report the ATLAS discovery of the transient ATLAS20bgkm (AT2020abjq) in galaxy UGC 678 at magnitude o = 17.42 +/- 0.06. At a distance of 72 Mpc, the transient was discovered on MJD = 59185.38…

Here we report the ATLAS discovery of the transient ATLAS20bgez (AT2020abcq) in galaxy ESO 563- G 017 at magnitude m_o = 18.80 +/- 0.18. At a distance of 58 Mpc, the transient was discovered on MJD …

Here we report the ATLAS discovery of the transient ATLAS20bgey (AT2020abcp) in galaxy CGCG 044-044 NED02 at magnitude m_o = 17.14 +/- 0.13. At a distance of 104 Mpc, the transient was discovered on…

We report the spectroscopic classification of SN 2020aary, SN 2020aatc, SN 2020aaul and SN 2020aauk as young SNe Ia and of SN 2020aatb as a young SN II.

This classification includes the report of 2 Type Ia's and 1 Galaxy. ZTF20acqyfdh shows a spectrum that is relatively blue, and shows narrow (unresolved) emission lines that are likely from the host…

This report includes the classification of 1 Type Ia and 1 Type IIn. SN 2020yrn is a Type IIn at z=0.123. First discovery by Gaia means it is at least one month from explosion. We see a blue continuu…

This report includes classifications of 6 Type Ia's, 1 Type II, and 1 ambiguous object. SN2020zoq is a young Type II, with a blue continuum and clear P-Cygni Balmer series and NaD/HeI. AT2020znl has…

This report includes classifications of 5 Type Ia's, a superluminous supernova, and a tidal disruption event. The TDE appears to have a fast rise and was discovered before peak. Swift follow-up obser…