AstroNotes

Here we report the ATLAS discovery of the transient ATLAS22bntv (AT2022acyv) in galaxy WISEA J125536.72-075624.8 at magnitude m_o = 17.75 +/- 0.10. At a distance of 58 Mpc, the transient was discove…

Here we report the ATLAS discovery of the transient ATLAS22bntb (AT2022acye) in galaxy ESO 088- G 022 at magnitude o = 18.46 +/- 0.16. At a distance of 50 Mpc, the transient was discovered on MJD = 5…

Here we report the ATLAS discovery of the transient ATLAS22bnqa (AT2022acwj) in galaxy WISEA J091423.27-332013.0 at magnitude m_o = 18.52 +/- 0.18. At a distance of 69 Mpc, the transient was discove…

We report the detection of a new transient in NIRCam imaging of the Abell 2744 galaxy-cluster field taken on December 6, 2022 (UT) by the JWST DDT program 2756 (PI: Wenlei Chen). The transient was de…

We report the discovery of three new transients from JWST NIRCam observations of the Abell 2744 galaxy-cluster field.

This report includes classifications of one Type Ia - peculiar, one Type II and a galactic CV. We encourage followup observations

We report on the detection of two new transients in NIRCam imaging of the Abell 2744 galaxy-cluster field taken on October 20, 2022 (UT) by JWST DDT program 2756 (PI: Wenlei Chen). A first transient …

Here we report the ATLAS discovery of the transient ATLAS22bngp (AT2022acfz) in galaxy UGC 03937 at magnitude m_o = 18.01 +/- 0.15. At a distance of 58 Mpc, the transient was discovered on MJD = 599…

This report includes classifications of 2 Type Ia's, 1 Type Ia-pec and 1 Type I SNe. AT2022acbu was observed, showing only a red continuum with ISM emission lines at z = 0.02. In addition, AT2022ycr …

We report 5 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 one type Ia, one SLSN and one type II. AT2022xgc shows blue continuum with some broad absorption lines. We encourage followup observations.

This report includes classifications of one young Type Ia SN. We encourage followup observations.

Here we report the ATLAS discovery of the transient ATLAS22bnen (AT2022abzc) in galaxy ESO 317- G 014 at magnitude m_o = 18.61 +/- 0.11. At a distance of 126 Mpc, the transient was discovered on MJD…

Here we report the ATLAS discovery of the transient ATLAS22bmzp (AT2022abuj) in galaxy 2MASX J13083283+3044540 at magnitude m_c = 18.75 +/- 0.10. At a distance of 102 Mpc, the transient was discover…

Here we report the ATLAS discovery of the transient ATLAS22bmrc (AT2022aboc) in galaxy SDSS J103115.57-013916.0 at magnitude m_c = 19.34 +/- 0.27. At a distance of 104 Mpc, the transient was discove…

We reclassify the ATLAS-discovered SN 2022ytx as an SN IIb using a spectrum obtained from LT/SPRAT. The ATLAS light curve shows a very long rise to peak, and pre-explosion Pan-STARRS images show evid…

Here we report the ATLAS discovery of the transient ATLAS22bmfv (AT2022abgs) in galaxy NGC 3508 at magnitude m_o = 18.05 +/- 0.11. At a distance of 56 Mpc, the transient was discovered on MJD = 5990…

This report includes classification of one CV. We encourage followup observations.

Here we report the ATLAS discovery of the transient ATLAS22bmaa (AT2022aanf) in galaxy UGC02968 at magnitude m_o = 19.14 +/- 0.16. At a distance of 100 Mpc, the transient was discovered on MJD = 598…

Here we report the ATLAS discovery of the transient ATLAS22bmab (AT2022aang) in galaxy UGC 04140 at magnitude m_o = 19.01 +/- 0.18. At a distance of 61 Mpc, the transient was discovered on MJD = 598…

This report includes classifications of 4 Type Ia's and one Type Ic. We encourage followup observations.

This report includes classifications of 3 Type Ia's, 2 Type II's, one Type IIn and one CV. AT2022aaix is showing blue, featureless continuum, and it could be an infant Type II, now 2 days from the la…

Here we report the ATLAS discovery of the transient ATLAS22blyz (AT2022aali) in galaxy WISEA J032115.62-571328.1 at magnitude m_c = 19.28 +/- 0.14. At a distance of 86 Mpc, the transient was discove…

We report on the detection of two infrared transient candidates in JWST observations of Abell 2744. Both candidates were discovered in NIRCam observations in Cycle 1 ERS Program 1324 (PI: Tommaso Tre…

Here we report the ATLAS discovery of the transient ATLAS22blmm (AT2022zut) in galaxy NGC 3810 at magnitude m_o = 14.39 +/- 0.01. At a distance of 14 Mpc, the transient was discovered on MJD = 59892…

We report the discovery of extreme coronal lines in the nuclear transient and TDE candidate AT 2022upj.

We report 9 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 …

We reclassify the ZTF-discovered SN 2022ywf as an SN 2002cx-like Ia. Originally classified as an SN Ia, the transient now shows a rapid rise to peak (< 10 days), very faint peak luminosity (< -14) an…

Here we report the ATLAS discovery of the transient ATLAS22blgs (AT2022zkg) in galaxy ESO 342- G 041 at magnitude m_o = 18.28 +/- 0.18. At a distance of 86 Mpc, the transient was discovered on MJD =…

This report includes classifications of 3 SNe Ia and 1 SN IIn. We also update the classification of SN2022yrs as a SN Ia-91T.

Here we report the ATLAS discovery of the transient ATLAS22bldy (AT2022zia) in galaxy NGC 3859 at magnitude m_o = 18.31 +/- 0.14. At a distance of 90 Mpc, the transient was discovered on MJD = 59884…

This report includes classification of the Type Ia SN, SN2022yxh.

This report includes classifications of 2 Type Ia's, 1 Type IIn and 1 object with a featureless blue continuum. Follow-up observations are encouraged.

The spectrum obtained by LJT matches a young type IIb supernova once the contamination of the Host HII region is removed.

We report the spectroscopic classification of 2 Type Ia SNe, a Cataclysmic Variable and a Seyfert 1 galaxy.

We report the classification of three optical transients: 2 SNe Ia and 1 SN IIn.

We have obtained an optical spectrum of SN 2022wym, which shows it to be a Type I supernova.

We report the discovery and classification of AT2022lri/ZTF22abajudi, a UV and X-ray bright tidal disruption event in a galaxy at z=0.032.

Here we report the ATLAS discovery of the transient ATLAS22bjzt (AT2022yms) in galaxy NGC 7038A at magnitude m_c = 18.98 +/- 0.12. At a distance of 74 Mpc, the transient was discovered on MJD = 5987…

Here we report the ATLAS discovery of the transient ATLAS22bjhj (AT2022ydu) in galaxy NGC 3383 at magnitude m_o = 17.73 +/- 0.16. At a distance of 55 Mpc (redshift independent, from NED), the transi…

Here we report the ATLAS discovery of the transient ATLAS22bjhk (AT2022ydv) in galaxy IC 4885 at magnitude m_c = 18.04 +/- 0.08. At a distance of 33 Mpc (redshift independent, from NED), the transie…

This report includes classifications of 2 Type Ia's and 1 ILRT

Here we report the ATLAS discovery of the transient ATLAS22biqa (AT2022xus) in galaxy LEDA136560 at magnitude m_o = 17.92 +/- 0.08. At a distance of 36 Mpc, the transient was discovered on MJD = 598…

This report includes classifications of 3 Type Ia SNe, 1 Type Ia 91T-like, 2 Type Ia 91bg-like and 1 Type II SNe.

This report includes classifications of 2 Type Ia SNe.

This report includes classifications of 5 Type Ia's, 1 Type Ia 91T-like, 2 Type II's and 1 SLSN-I. The spectrum of AT2022xks is a blue and featureless continuum.

Here we report the ATLAS discovery of the transient ATLAS22bijs (AT2022xkp) in galaxy LCRS B025030.8-412847 at magnitude m_o = 18.24 +/- 0.18. At a distance of 52 Mpc, the transient was discovered o…

This report includes classifications of 1 Type Ia, 1 Type Ib/c, 1 young Type II/IIb. AT2022xir and ZTF22abgucbp were also observed and they were found to be consistent with a pure galaxy spectrum and…

Here we report the ATLAS discovery of the transient ATLAS22bijr (AT2022xko) in galaxy ESO 014- G 001 at magnitude m_o = 17.58 +/- 0.08. At a distance of 65 Mpc, the transient was discovered on MJD =…