AstroNotes

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.

This report includes classifications of two Type Ia's. We encourage followup observations.

This report includes classifications of one Type Ia SN.

We report classification spectra of 2 optical transients. 2023xje exhibits a blue continuum with narrow emission features. 2023wtq exhibits a blue featureless continuum. Given its lack of host galaxy…

We report classification of 3 transients including 1 SN Ia and 1 SN II. 2023xje exhibits a blue continuum and is likely a young SN.

We report the ATLAS discovery of AT2023xje (ATLAS23vig). It is currently at a magnitude of m_c = 18.91 +/- 0.08 and is offset by 1.6 arcsecs from the likely host galaxy MRSS 363-122768, whose redshif…

We report classification of 6 transients including 2 SN Ia and 2 91T-like SN Ia. 2023xge is likely a CV, and 2023xgn has a blue continuum and is possibly a young SN II.

We identify a quickly evolving blue transient with a host-galaxy counterpart, AT2023vth. We encourage spectroscopic follow-up observations to determine the redshift of the transient, which is current…

Here we present multi-band photometric follow up observations of 9 optical transients using 1.83-m Plaskett Telescope + CCD at Dominion Astrophysical Observatory of the National Research Council of C…

This report includes classifications of 2 SNIa, 1 SNIb, 1 SNIc, 2 SNII, 1 SNIIb, 1 SNIIn and 3 galaxies.

This reports includes classifications of 1 SN, 1 SNIa, 2 SNIa-91T, 1 SNII, 2 AGN and 1 CV.

This report includes classifications of 6 SN Ia, 2 SN Ia-91T, 1 SN Ia-SC, 1 SN Ib, 1 SN Ibn, 2 SN II and 1 SLSN-I.

This report includes classifications of 1 Type Ia, 1 type Ia-91T and one CV.

This report includes classifications of 1 Type Ib, 8 Type Ia, 2 Type Ia-91T-like supernovae, and 1 event with a blue and featureless spectrum.

This report includes classifications of 4 Type Ia, 1 Type Ic-BL, 1 Type II supernovae, and 1 CV. Type Ia SN2023vqk exhibits strong C II 6580, which along with the high luminosity (M ~ -19.50 mag), is…

We report the classification of two optical transients (two type Ia SNe).

We report the classification of one optical transient (a type IIn SN) and the observation of two more featureless blue continua.

We report spectroscopic observations of the transient GOTO23baj/SN2023vuc that show it to be a young supernova with flash ionization features. The transient was found in the error box of the short GR…

This report includes the classifications of 3 Type Ia, 1 Type Ia-91T, 3 Type II supernovae and 1 unclassified event. The SN2023xcb has an usual Ha P-Cygni profile. The lightcurve appears to show an u…

We report the classification of two optical transients (two type Ia SNe).

This report includes classifications of 2 Type Ia's and 1 Type Ia-x.

We report the discovery of 7 supernova sources likely at redshifts z = 0.6461-4.89 down to ~29.5 AB mag, each discovered in the GOODS-South (GOODS-S) field using JWST/NIRCam imaging data obtained by …

We report spectroscopic classification of SN2023rgo, a transient located 6.7 arcseconds from the center of UGC 03416. The spectrum reveals that SN2023rgo is in fact a background SLSN-I at a redshift …

Here we present photometric follow up observations of 2023uri in M31 discovered by XOSS (J. Xu, et. al) on 2023-10-11 14:12 UT.

We report the classification of the transient AT 2023uhx, recently discovered by K. Itagaki in NGC 3893 as a young Luminous Red Nova based on its peak luminosity, and narrow Balmer and Fe II emission…

We report the first transient to be fully automatically discovered, identified, followed-up, spectroscopically classified, and reported to TNS.

We report photometric follow up with the IAC80 telescope of the candidate SN in NGC 6676 AT 2023txu (ATLAS23tma, Gaia23ctg).

This report includes classifications of 23 transients: 3 SNe IIP, 13 SN Ia (of which 1 91T-like and 1 91bg-like), 1 SN Ic, 1 SN II, 1 blue featureless continuum, 2 CV, 1 unclassifiable continuum and …

This report includes classifications of 2 Type II SNe, 1 blue continuum possibly a SN Ib, 1 SN Ia 91T-like, 1 SN Ib/c, 3 normal SNe Ia, 1 blue continuum, 1 SN IIb and a nuclear flare at z=0.61.

We report pre-rise activity in the type IIn SN 2023qdi, discovered by Pan-STARRS on UT 2023-07-26 and with first ZTF detection on UT 2023-07-27. The combined PanSTARRS and ZTF photometry, together w…

We report the identification of an optical red transient situated at a distance of 3.86 kiloparsecs from the center of Messier 31.

We report photometric follow-up observations of AT 2023rto (ZTF23abbteqg, ATLAS23str), a supernova candidate in NGC 2838, with one of the 40 cm LCOGT telescopes at Teide Observatory

We report 8 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 and one Type II SNe. We note that SN 2023rfn shows a relatively rapid decline over 10 days from maximum light of 1.1 mag in g and 0.6 mag in r-band.

This report includes classification of one Type Ia SN

This report includes classifications of 12 Type Ia's, 4 Type II's and a Type IIb. A transient was seen at the position of SN2023suz in 2019 (AT2019sqq), however this is probably unrelated to the Type…

We present "TELESCOPE LIVE" observations of SN 2023rve before discovery

We report photometric follow up of the type II SN 2023rve in NGC 1097 using the Las Cumbres Observatory Global Telescope network DeltaRho 350 telescope and QHY600 CMOS camera at McDonald Observatory…

Here we present multi-band photometric follow up observations of 11 optical transients using 1.82-m Plaskett Telescope + CCD at Dominion Astrophysical Observatory of the National Research Council of …

Here we present multi-band photometric follow up observations of 8 optical transients using 1.82-m Plaskett Telescope + CCD at Dominion Astrophysical Observatory of the National Research Council of C…

This report includes classifications of 1 Type Ia and 1 Type Ib SNe, and 1 unclassified event.

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

We report spectroscopic observation obtained with ALFOSC at the Nordic Optical Telescope. The spectrum shows a blue continuum with O II absorption lines and narrow emission lines from the host galaxy…

We report 9 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 classification of two normal SN Ia, one SN Ic, one CV and one SN of uncertain class. SN 2023pmv is heavily reddened SN Ia around peak light. SN 2023oxc displays a blue featureles…

Here we report pre-rise activity in the candidate supernova AT 2023mtp (ZTF23aalftvv, ATLAS23qbj), that is likely associated with a low-surface-brightness galaxy. AT 2023mtp was discovered by ZTF on …

This report includes classifications of 4 Type Ia SNe and two SNe of uncertain class. SN2023pgr exhibits a H-rich flash-ionised spectrum with Balmer lines and a blend of HeII, CIII and NIII emission …

Here we present multi-band photometric follow up observations of 5 optical transients using 1.82-m Plaskett Telescope (E2V, 4K x 2K CCD) at Dominion Astrophysical Observatory of the National Research…