AstroNotes

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…

Here we report the ATLAS discovery of the transient ATLAS23vnn (AT2023xqm) in galaxy NGC 3285B at magnitude m_c = 17.87 +/- 0.05. At a distance of 42 Mpc, the transient was discovered on MJD = 60261…

Here we report the ATLAS discovery of the transient ATLAS23vno (AT2023xqn) in galaxy UGC 00068 at magnitude m_o = 18.38 +/- 0.17. At a distance of 98 Mpc (redshift independent, from NED), the transi…

Here we report the ATLAS discovery of the transient ATLAS23vlq (AT2023xoo) in galaxy KUG 0150-036B at magnitude m_c = 18.42 +/- 0.09. At a distance of 75 Mpc (redshift independent, from NED), the tr…

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.

AT 2023wrk was reported to TNS by Godson et al. based on observations with GOTO-N_GOTO-2 on UT 2023-11-04 05:29:46. It was classified spectroscopically by Li et al. (LIONS) as a young SN Ia and addit…

Here we report the ATLAS discovery of the transient ATLAS23veh (AT2023xbc) in galaxy 6dF J0115020-330114 at magnitude m_o = 18.13 +/- 0.07. At a distance of 96 Mpc, the transient was discovered on M…

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

We report Gemini GMOS-N spectroscopy of AT2023ufx and its host, finding a host redshift of 0.0146+/-0.0007.

Here we report the ATLAS discovery of the transient ATLAS23vab (AT2023wrl) in galaxy ESO 414- G 008 at magnitude m_o = 17.50 +/- 0.06. At a distance of 46 Mpc, the transient was discovered on MJD = …

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.

Here we report the ATLAS discovery of the transient ATLAS23uvt (AT2023wdd) in galaxy UGC 00831 at magnitude m_o = 18.07 +/- 0.10. At a distance of 106 Mpc, the transient was discovered on MJD = 6024…

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…

Here we report the ATLAS discovery of the transient ATLAS23urs (AT2023vyl) in galaxy NGC 7625 at magnitude m_o = 17.43 +/- 0.11. At a distance of 23 Mpc, the transient was discovered on MJD = 60245…

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 the transient AT2023ufx as a likely type II supernova at z~0.01

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 …

We report the classification of the optical transient ZTF23abgcesw/AT2023ugy as a tidal disruption event (TDE) at z=0.106.

Here we report the ATLAS discovery of the transient ATLAS23ujo (AT2023vio) in galaxy NGC1585 at magnitude m_o = 19.05 +/- 0.14. At a distance of 68 Mpc, the transient was discovered on MJD = 60234…

Here we report the ATLAS discovery of the transient ATLAS23uai (AT2023usp) in galaxy NGC 2848 at magnitude m_o = 18.26 +/- 0.11. At a distance of 15 Mpc (redshift independent, from NED), the transie…

We obtained a classification spectrum of the FBOT candidate AT2023ufx on 2023-10-09T14:17:46 showing a steep featureless blue continuum.

We report the ATLAS discovery of AT2023ufx (ATLAS23tsa). It is currently at a magnitude of o=15.91 and is offset from a likely host galaxy with an SDSS DR15 photometric redshift of z ~ 0.04. If this…

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…

Here we report the ATLAS discovery of the transient ATLAS23tmd (AT2023txw) in galaxy IC 4761 at magnitude m_o = 18.95 +/- 0.15. At a distance of 71 Mpc, the transient was discovered on MJD = 60219.7…

Here we report the ATLAS discovery of the transient ATLAS23tmc (AT2023txv) in galaxy NGC 2305 at magnitude m_o = 17.41 +/- 0.06. At a distance of 48 Mpc (redshift independent, from NED), the transie…

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.

Here we report the ATLAS discovery of the transient ATLAS23tma (AT2023txu) in galaxy NGC 6676 at magnitude m_o = 18.96 +/- 0.19. At a distance of 94 Mpc, the transient was discovered on MJD = 60220…

Here we report the ATLAS discovery of the transient ATLAS23tjm (AT2023tvp) in galaxy ESO 339- G 036 at magnitude m_o = 18.28 +/- 0.10. At a distance of 64 Mpc, the transient was discovered on MJD = 6…

Here we report the ATLAS discovery of the nuclear transient ATLAS23teb (AT2023tpl) in galaxy MCG+09-12-038 at magnitude m_c = 17.69 +/- 0.05. At a distance of 72 Mpc, the transient was discovered on …

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 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.

We report the classification of the optical transient ZTF23aapyidj/AT2023mfm as a tidal disruption event (TDE) at z=0.087.

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

Here we report the ATLAS discovery of the transient ATLAS23rxv (AT2023rff) in galaxy WISEA J041224.20-640046.2 at magnitude o = 17.93 +/- 0.16. At a distance of 79 Mpc, the transient was discovered o…

Here we report the ATLAS discovery of the transient ATLAS23rxg (AT2023ref) in galaxy CGCG 530-014 at magnitude m_o = 17.74 +/- 0.09. At a distance of 59 Mpc, the transient was discovered on MJD = 60…