Showing results 1 to 11 out of 11
AstroNote 2023-213
Type: Object/s-Data/Analysis
Released: 2023-07-28 07:24:23
Multiband Photometry Evolution in the First Weeks of SN 2023ixf, a possible II-L Subtype Supernova
Bianciardi G., Ciccarelli A.M., Conzo G., D'Angelo M., Ghia S., Moriconi M., Orbanić Z., Ruocco N., Sharp I., Uhlá…
Keywords: Photometry, Supernova, Galaxy, Techniques, Methods
Related Objects:
2023ixf
RA, DEC:14:03:38.562, +54:18:41.94
(210.910675, 54.311651)
Redshift:0.0008
Type:SN II
See object 2023ixf
Multiband photometric observations and their evaluation to instrumental magnitudes were performed using standard Johnson-Cousins filters (B, V, Rc) as well r and g Sloan filters, and not standard one…
AstroNote 2023-185
Type: Object/s-Discovery/Classification
Released: 2023-06-23 20:24:35
Pinwheel Galaxy 2023ixf Supernova LRGB with Ha Overlay
John Daglas
Keywords: Supernova, Galaxy
I was imaging the Pinwheel Galaxy for 6 nights (Tues May 16 - Sunday May 21) 6 nights at San Diego County Agua Caliente Hot Springs campground and I captured 2023ixf Supernova while it was happening …
AstroNote 2023-172
Type: Object/s-Discovery/Classification
Released: 2023-06-14 19:24:38
Pinwheel Galaxy 2023ixf Supernova Time Lapse (169 images 10min each)
John Daglas
Keywords: Supernova, Galaxy
Related Objects:
2023ixf
RA, DEC:14:03:38.562, +54:18:41.94
(210.910675, 54.311651)
Redshift:0.0008
Type:SN II
See object 2023ixf
I was imaging the Pinwheel Galaxy for 6 nights (Tues May 16 - Sunday May 21) 6 nights at San Diego County Agua Caliente Hot Springs campground and I captured 2023ixf Supernova while it was happening …
AstroNote 2023-96
Type: Object/s-Discovery/Classification
Released: 2023-04-21 22:39:42
SN H0pe: three images of a SN detected near the central region of the galaxy cluster field PLCK G165.7+67.0
Brenda Frye (UArizona), Massimo Pascale (UC Berkeley), Seth Cohen (ASU), Jake Summers (ASU), Nicholas Foo (UArizona/ASU…
Keywords: Galaxy Cluster, Supernova, Lensing, Time-domain, Cosmology, Infra-Red, Transient
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.
AstroNote 2022-260
Type: Object/s-Discovery/Classification
Released: 2022-12-08 03:51:13
A Transient in JWST DD NIRCam Imaging of Abell 2744 Galaxy-Cluster Field
Wenlei Chen (UMN), Patrick Kelly (UMN), Tom Broadhurst (UPV/DIPC), Marco Castellano (INAF - Osservatorio Astronomico di…
Keywords: Microlensing, Transient, Galaxy Cluster
Related Objects:
2022acfv
RA, DEC:00:14:19.567, -30:23:52.32
(3.581531, -30.397866)
Redshift:2.7
Type:
See object 2022acfv
Related Notes:
2022-257
2022-2602022-12-02 03:22:52
Title: Transient Candidates in JWST DD NIRCam Imaging of Abell 2744 Galaxy-Cluster Field
Authors: Wenlei Chen (UMN), Patrick Kelly (UMN), Marco Castellano (I…
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…
AstroNote 2022-259
Type: Object/s-Discovery/Classification
Released: 2022-12-08 03:26:32
Three More Transient Candidates in the Abell 2744 Galaxy-Cluster Field
Lei Hu (Purple Mountain Observatory), Lifan Wang (Texas A&M University), Rogier Windhorst (Arizona State University)
Keywords: Galaxy Cluster, Supernova, Transient
Related Objects:
2022acev [L4-2293]
RA, DEC:00:13:58.547, -30:21:13.53
(3.493946, -30.353758)
Redshift:
Type:
See object 2022acev [L4-2293]
,
2022acew [Abell2744-L1-2654]
RA, DEC:00:14:07.091, -30:21:53.54
(3.529547, -30.364871)
Redshift:
Type:
See object 2022acew [Abell2744-L1-2654]
,
2022acex [Abell2744-L1-5596]
RA, DEC:00:14:07.780, -30:21:52.94
(3.532416, -30.364707)
Redshift:
Type:
See object 2022acex [Abell2744-L1-5596]
We report the discovery of three new transients from JWST NIRCam observations of the Abell 2744 galaxy-cluster field.
AstroNote 2022-257
Type: Object/s-Discovery/Classification
Released: 2022-12-02 18:41:59
Transient Candidates in JWST DD NIRCam Imaging of Abell 2744 Galaxy-Cluster Field
Wenlei Chen (UMN), Patrick Kelly (UMN), Marco Castellano (INAF - Osservatorio Astronomico di Roma), Jose Diego (IFCA, C…
Keywords: Galaxy Cluster, Supernova, Microlensing
Related Objects:
2022acfu
RA, DEC:00:14:22.751, -30:23:50.38
(3.594797, -30.397328)
Redshift:0.949
Type:
See object 2022acfu
,
2022acfv
RA, DEC:00:14:19.567, -30:23:52.32
(3.581531, -30.397866)
Redshift:2.7
Type:
See object 2022acfv
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 …
AstroNote 2022-188
Type: Object/s-Discovery/Classification
Released: 2022-09-06 20:27:41
Likely Supernova at z > 1 in the MACS J0257.1-2325 Galaxy-Cluster Field
Patrick Kelly, Masamune Oguri, Adi Zitrin, Jose Diego, Anton Koekemoer
Keywords: Supernova, Galaxy Cluster, Lensing
Related Objects:
2022tqq
RA, DEC:02:57:09.392, -23:26:23.83
(44.289133, -23.439952)
Redshift:
Type:
See object 2022tqq
AstroNote 2022-169
Type: Object/s-Discovery/Classification
Released: 2022-08-17 03:10:38
Strongly Lensed SN in MACS 2129 Galaxy-Cluster Field
Patrick Kelly (UMN), Adi Zitrin (Ben Gurion), Masamune Oguri (Chiba), Jose Diego (Cantabria), Hayley Williams (UMN), To…
Keywords: Supernova, Galaxy Cluster, Time-domain, Lensing
Related Objects:
2022riv
RA, DEC:21:29:40.212, +00:05:24.18
(322.417549, 0.090050)
Redshift:
Type:
See object 2022riv
AstroNote 2022-166
Type: Object/s-Discovery/Classification
Released: 2022-08-13 16:14:47
Discovery of Candidate Supernova Adjacent to a Galaxy at Redshift z = 3.47 in JWST GLASS NIRISS pre-imaging
Wenlei Chen (UMN), Patrick Kelly (UMN), Takahiro Morishita (IPAC), Justin Pierel (STScI), Steven Rieck (UMN), Hayley Wi…
Keywords: Galaxy Cluster, Supernova
Related Objects:
2022ret
RA, DEC:00:14:25.115, -30:23:32.86
(3.604646, -30.392461)
Redshift:
Type:
See object 2022ret
Detection of a supernova candidate at redshift z=3.47 in the JWST NIRISS pre-imaging of the Galaxy Cluster Abell2744 (ERS 1324, PI: Treu, Tommaso). The source was not detected in archival HST imaging…
AstroNote 2022-153
Type: Object/s-Discovery/Classification
Released: 2022-08-03 21:15:02
A Supernova in the Galaxy Cluster WHL0137-08 Field in the JWST NIRCam Imaging
Wenlei Chen (UMN), Patrick Kelly (UMN), Sebastian Gomez (STScI), Dan Coe (STScI), Lou Strolger (STScI), Gabriel Brammer…
Keywords: Galaxy Cluster, Supernova
Related Objects:
2022qmm
RA, DEC:01:37:23.320, -08:27:29.72
(24.347167, -8.458256)
Redshift:
Type:
See object 2022qmm
Detection of a supernova candidate in the JWST NIRCam imaging of the Galaxy Cluster WHL0137-08 at a redshift of z = 0.566 (GO 2282, PI: Coe, Dan). The source was not detected in archival HST imaging …

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AstroNote 2022-145
Released: 2022-07-16
Views Count: 6191
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AstroNote 2023-136
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Early multiband light curve of SN 2023ixf
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AstroNote 2020-100
Released: 2020-05-07
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Classification of SN 2020jfo (ZTF20aaynrrh) as a young Type II supernova
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AstroNote 2023-265
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Views Count: 2406
SN 2023tyk: discovery to spectroscopic classification performed fully automatically
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AstroNote 2020-89
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AstroNote 2023-130
Released: 2023-05-22
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Onset of SN 2023ixf observed over East Asian longitudes
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AstroNote 2019-163
Released: 2019-12-31
Views Count: 2225
ePESSTO+ re-classification of AT2019xis as a light echo of SN 1987A in the LMC.
S. Taubenberger (MPA), D. Malesani (DTU Space), G. Terreran (Northwestern), S. J. Smartt (QUB), A. …
AstroNote 2020-126
Released: 2020-06-25
Views Count: 2157
ATLAS20qoq (AT2020nlb): discovery of a candidate SN in MESSIER 85 (17 Mpc)
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AstroNote 2020-70
Released: 2020-03-30
Views Count: 2026
Fast Radio Bursts (FRBs) now reported to and distributed via the TNS
O. Yaron, E. Ofek, A. Gal-Yam, A. Sass (Weizmann)

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