Showing results 1 to 12 out of 12
Spectroscopy of the Transient AT 2024lby: likely a Galactic Transient
Related Objects:
We report spectroscopic follow-up observation of AT 2024lby (ZTF24aarvbxj). Our spectrum shows narrow absorption lines of Balmer, Na ID, and Ca II H & K at the Milky-Way Rest frame. AT 2024lby is lik…
Discovery of a likely supernova in JWST images of the SMACS-0723 field
Related Objects:
We report the discovery of an transient in NIRCam images of the SMACS-0723 field taken by the James Webb Space Telescope on MJD 60441.82 (GO-4043, PI Callum Witten). We detect a new source at RA=110…
SN H0pe: three images of a SN detected near the central region of the galaxy cluster field PLCK G165.7+67.0
Related Objects:
PLCK G165.7+67.0 [G165 b]
RA, DEC:00:00:00.000,
(0.000000, 0.000000)
Redshift:
Type:
PLCK G165.7+67.0 [G165 b]
We discovered a new transient in James Webb Space Telescope NIRCam imaging in the field of a massive galaxy cluster.
A Red Transient Detected in JWST NIRCam imaging of ULIRG Arp 220
Related Objects:
2023axi [joust2023y]
RA, DEC:15:34:57.494, +23:30:14.30
(233.739557, 23.503973)
Redshift:
Type:
We report a detection of an infrared transient in JWST NIRCam observations of Arp 220 (PID 2739). The source is detected in 6 filters and exhibits a red SED. These data were taken July 2022, so oppor…
Detection of Two Infrared Transient Candidates in JWST Observations of Abell 2744
Related Objects:
2022aaih [joust2022a]
, RA, DEC:00:13:58.493, -30:19:31.57
(3.493720, -30.325436)
Redshift:
Type:
2022aaii [joust2022b]
RA, DEC:00:14:05.489, -30:21:04.64
(3.522872, -30.351290)
Redshift:
Type:
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…
Keck NIRC2+LGS Imaging Observations of SN 2022qmx (“SN Zwicky”)
Source Group: ZTF
Related Objects:
2022qmx [ZTF22aaylnhq]
RA, DEC:17:35:44.328, +04:49:56.86
(263.934702, 4.832460)
Redshift:0.35
Type:SN Ia
Related Notes:
Keck II observations in J and Ks bands of the strongly lensed Type Ia SN 2020qmx ("SN Zwicky"; Goobar et al. AstroNote 2022-180) show that SN Zwicky is multiply lensed with 4 images of the supernova …
Detection of SN 2021afdx in JWST images of the Cartwheel Galaxy
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Related Notes:
We report on the detection of SN 2021afdx, a type II SN discovered by the ATLAS survey on 2021-11-23, in James Webb Space Telescope NIRCam and MIRI images of ESO 350-40, the Cartwheel Galaxy.
Detection of possible supernova in JWST images of Galaxy Cluster WHL0137-08
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Related Notes: ,
Detection of a new source, possibly a supernova, found in JWST F150W NIRCam images of the Galaxy Cluster WHL0137-08 at a redshift of z = 0.76 (GO 2282, PI: Coe, Dan) that is not detected in archival …
Discovery of Possible Transient in JWST NIRCam Images of SDSS J141930.11+525159.3
Related Objects:
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…
ePESSTO+ near-infrared imaging and detection of the faint and fading AT2021aeba
Source Group: ePESSTO+
Related Objects:
2021aeba [PS21mbb]
RA, DEC:08:08:45.177, +18:42:06.11
(122.188237, 18.701698)
Redshift:
Type:
Related Notes:
We report J-band imaging of the faint and fading transient AT2021aeba discovered by the Pan-STARRS Search for Kilonovae. The transient is detected at high significance but the proximity to the host g…
X-shooter confirmation of the redshift of the probable host galaxy of the Fast X-ray Transient XRT 210423
Keywords: Time-domain, Transient, Spectroscopy, Gamma-Ray Burst, Black Hole, Neutron Star, Optical, Infra-Red, X-rays, Gravitational Waves
Related Objects:
XRT210423
RA, DEC:00:00:00.000,
(0.000000, 0.000000)
Redshift:
Type:
XRT210423
Using VLT/X-shooter we confirm the redshift determination of z=1.5105 (Andreoni et al. 2021 ATel #14641) of the potential host galaxy of the fast X-ray transient XRT210423. The offset and peak lumino…
Palomar Gattini-IR discovery of a peculiar, rapidly rising and highly reddened Galactic transient PGIR21fjn/AT2021kgk
Source Group: Gattini
Related Objects:
2021kgk [PGIR21fjn]
RA, DEC:19:07:58.620, +08:43:45.84
(286.994250, 8.729400)
Redshift:0
Type:Nova
We report the discovery of a highly reddened and rapidly rising Galactic transient by the Palomar Gattini-IR survey. The source PGIR21fjn / AT2021kgk was first detected on UT 2021-04-19 at a magnitud…
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Discovery of Possible Transient in JWST NIRCam Images of SDSS J141930.11+525159.3
Early multiband light curve of SN 2023ixf
LT Classification of SN 2023ixf as a Type II Supernova in M101
Classification of SN 2020jfo (ZTF20aaynrrh) as a young Type II supernova
SN 2023tyk: discovery to spectroscopic classification performed fully automatically
ATLAS20ktt (AT2020hvp): discovery of a candidate supernova in NGC 6118 (27 Mpc)
Onset of SN 2023ixf observed over East Asian longitudes
ePESSTO+ re-classification of AT2019xis as a light echo of SN 1987A in the LMC.
ATLAS20qoq (AT2020nlb): discovery of a candidate SN in MESSIER 85 (17 Mpc)
Fast Radio Bursts (FRBs) now reported to and distributed via the TNS