Showing results 1 to 32 out of 32
AT2024qc in WISEA J103650.74-260918.8 at 55 Mpc
Source Group: BlackGEM
Related Objects:
2024qc [BGEM J103650.69-260923.7]
RA, DEC:10:36:50.710, -26:09:23.76
(159.211292, -26.156600)
Redshift:0.012
Type:SN II
We report the discovery of AT2024qc in WISEA J103650.74-260918.8 at 55 Mpc, detected at q_AB = 17.5 with the BlackGEM-4 ("Emerald") telescope.
Fast-evolving transients detected through a ZTF high-cadence experiment
Related Objects: ,
2023aadr [ZTF23abudlls]
, RA, DEC:08:35:21.205, +46:31:55.79
(128.838354, 46.532163)
Redshift:
Type:
2023zzb [ZTF23abtcveg]
, RA, DEC:02:57:44.600, +45:19:04.91
(44.435835, 45.318032)
Redshift:0.02
Type:SN Ia
2023zzk [ZTF23abtycgb]
, RA, DEC:03:38:52.780, +40:59:19.02
(54.719917, 40.988617)
Redshift:0.020127
Type:SN II
2023aaeg [ZTF23abtopsg]
RA, DEC:01:03:57.180, +80:39:39.56
(15.988250, 80.660989)
Redshift:0.025948
Type:SN Ib
Related Notes: ,
We announce the first three-day high-cadence experimental survey with the Zwicky Transient Facility (ZTF) and report five fast-evolving transients found during the first extra-galactic pilot: AT 20...
DAO Photometric Follow Up of selected Optical Transients
Source Group: GSNST
Keywords: Time-domain, Surveys, Methods, Photometry, Transient, Cataclysmic Variable, Supernova, Optical
Here we present Sloan g' 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...
Discovery of 7 Transients (z_host = 0.6461 - 4.89) in the JADES GOODS-S JWST/NIRCam Images from Cycle 2 Program 3215
Source Group: JADES
Related Objects:
2023vnw [jades-gs-3215a]
, RA, DEC:03:32:15.166, -27:51:26.92
(53.063191, -27.857477)
Redshift:
Type:
2023vnx [jades-gs-3215b]
, RA, DEC:03:32:22.751, -27:51:55.58
(53.094795, -27.865438)
Redshift:
Type:
2023vny [jades-gs-3215c]
, RA, DEC:03:32:22.490, -27:51:00.13
(53.093710, -27.850036)
Redshift:
Type:
2023vnz [jades-gs-3215d]
, RA, DEC:03:32:18.789, -27:51:30.70
(53.078288, -27.858528)
Redshift:
Type:
2023voa [jades-gs-3215e]
, RA, DEC:03:32:14.467, -27:51:27.13
(53.060281, -27.857536)
Redshift:
Type:
2023vob [jades-gs-3215f]
, RA, DEC:03:32:23.295, -27:51:01.84
(53.097064, -27.850511)
Redshift:
Type:
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 b...
CAHA 2.2/CAFOS Classification of AT 2023uhx as a likely Luminous Red Nova in NGC 3893
Related Objects:
2023uhx
RA, DEC:11:48:39.508, +48:41:31.07
(177.164616, 48.691964)
Redshift:0.003226
Type:LRN
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 emissi...
SN 2023tyk: discovery to spectroscopic classification performed fully automatically
Source Group: ZTF
Related Objects:
2023tyk [ZTF23abhvlji]
RA, DEC:09:35:11.540, +83:58:24.46
(143.798083, 83.973461)
Redshift:0.055
Type:SN Ia
We report the first transient to be fully automatically discovered, identified, followed-up, spectroscopically classified, and reported to TNS.
GIT discovery of an optical transient in M31
Related Objects:
2023tkw [GIT230919aa]
RA, DEC:00:41:24.169, +41:08:05.26
(10.350704, 41.134794)
Redshift:
Type:
We report the identification of an optical red transient situated at a distance of 3.86 kiloparsecs from the center of Messier 31.
Multi-Band Photometric Follow-Up of selected Transients
Source Group: GSNST
Related Objects: , ,
2023ixf
, , RA, DEC:14:03:38.562, +54:18:41.94
(210.910675, 54.311651)
Redshift:0.0008
Type:SN II
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 Resear...
ZTF23aamhlcz/AT2023jrh: Zwicky Transient Facility discovery of a possible fast optical transient
Source Group: ZTF
Related Objects:
2023jrh [ZTF23aamhlcz]
RA, DEC:12:48:09.676, +27:05:26.28
(192.040317, 27.090632)
Redshift:
Type:
We report the discovery of the possible fast optical transient ZTF23aamhlcz/AT2023jrh with the Zwicky Transient Facility (ZTF). ZTF23aamhlcz was first detected on 2023-05-27 07:05 UT at r = 19.54 +...
Spectroscopic observation of SN 2023awp
Source Group: Padova-Asiago
Related Objects:
2023awp [ZTF23aablgzj]
RA, DEC:15:30:01.536, +12:59:15.15
(232.506398, 12.987540)
Redshift:0.013608
Type:SN IIn
We report the spectroscopic observation of SN 2023awp and confirm its classification as SN IIn.
Detection of possible supernova in JWST images of Galaxy Cluster WHL0137-08
Related Objects:
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 archiva...
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 loca...
AT2022kms in NGC 55: SALT spectroscopy reveals likely Luminous Red Nova nature
Source Group: MeerLICHT
Related Objects:
2022kms [ATLAS22olj]
RA, DEC:00:15:14.619, -39:13:22.27
(3.810913, -39.222853)
Redshift:
Type:
Related Notes: ,
Low Resolution SALT-RSS Spectroscopy of AT2022kms in NGC55 reveals a blue continuum with strong Balmer emission lines, similar to known Luminous Red Novae. The source is expected to further brighte...
DAO Follow-up Photometry of Recent SN Candidates
Source Group: DAO_OTS
Keywords: Time-domain
Related Objects:
2022bqi
, RA, DEC:03:12:33.750, +39:19:40.26
(48.140625, 39.327850)
Redshift:0.01464
Type:SN II
2022bse
, , , , , , , RA, DEC:07:01:02.299, +51:15:55.68
(105.259578, 51.265466)
Redshift:0.020954
Type:SN II
Differential photometry has been obtained for nine current SN candidates with the 1.82-m Plaskett telescope at the Dominion Astrophysical Observatory (National Research Council of Canada)
Spectroscopic classification of AT 2021adlw as an LBV eruption or an ILRT
Related Objects:
2021adlw
RA, DEC:11:41:17.822, +36:32:34.57
(175.324258, 36.542935)
Redshift:0.004897
Type:SN II
We report the spectroscopic classification of AT 2021adlw (ZTF21aclyyfm) as a possible intermediate-luminosity red transient or the eruption of a dusty luminous blue variable.
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, +00:00:00.00
(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 lumi...
ZTF observations of AT2021izg, a hostless fast-evolving transient
Related Objects:
We report the identification of a fast-evolving transient by the Zwicky Transient Facility.
Fully automated spectroscopic classification of ZTF SNe Ia
Source Group: ZTF
Related Objects:
2021ijb [ZTF21aastazz]
RA, DEC:07:22:54.454, +46:29:44.04
(110.726890, 46.495566)
Redshift:0.053
Type:SN Ia
The Zwicky Transient Facility (ZTF) Bright Transient Survey (BTS) announces the start of fully automated spectroscopic classifications of SNe Ia using spectra obtained by the robotic Palomar 60-inc...
Public DECam Deep Drilling Program for COSMOS and the Galactic Bulge
We announce a public Deep Drilling program with DECam which will produce public alerts from the individual griz exposures and the nightly deep stacks, and run from March to June 2021.
A bash utility to download classified or unclassified events from TNS
Related Notes:
qTNSm is a stand alone command line utility (written in zsh) which queries TNS and downloads classified or unclassified events for requested months in a given year. The output is a tsv file for ea...
Classification of SN 2020udy (ZTF20acdqjeq) as a young Type Iax (02cx-like) supernovae
Source Group: ZTF
Related Objects: , ,
2020udy
RA, DEC:02:06:49.350, +44:35:15.29
(31.705625, 44.587581)
Redshift:0.017222
Type:SN Iax[02cx-like]
We classify SN 2020udy in NGC 0812 (z=0.017222) as a young Type Iax supernova using spectra from the Palomar 60-inch and the Gemini North telescopes.
ZTF Discovery of ZTF20abbiixp: The Likely Optical Afterglow to GRB 200524A
Source Group: ZTF
Related Objects:
2020kym [ZTF20abbiixp]
RA, DEC:14:12:10.329, +60:54:19.04
(213.043037, 60.905288)
Redshift:
Type:
Fast Radio Bursts (FRBs) now reported to and distributed via the TNS
As of March 2020 the TNS serves as the official name server and hub for distribution of FRB events. At the request of this community, the TNS now operates two engines for designation of names, the...
ZTF Discovery of ZTF20aajnksq: a Rapidly Fading, Luminous Red Transient at z = 2.9
Source Group: ZTF
Related Objects:
2020blt [ZTF20aajnksq]
RA, DEC:12:47:04.870, +45:12:02.25
(191.770292, 45.200626)
Redshift:2.9
Type:Afterglow
The Zwicky Transient Facility (ZTF) reports the discovery of ZTF20aajnksq, a red (g-r=+0.65) transient with a rapid fade rate of 2.5 magnitudes in 1.25 days. A spectrum with the Low Resolution Imag...
A bash shell utility to query and download classified SNe from TNS
QueryTNS_SN is a stand alone utility, written in bash, which can query TNS for classified supernovae (SNe) in a given month of a year, a range of moths in a given year or all 12 months of a given ...
C-SNAILS classification of AT2019nql as a Type Ia SN
Source Group: C-SNAILS
Related Objects:
2019nql [ZTF19abnmnrz]
RA, DEC:17:37:49.329, +57:46:49.61
(264.455537, 57.780448)
Redshift:0.11
Type:SN Ia
Related Notes:
We announce new spectroscopic classifications from C-SNAILS: the Classification Survey for NucleAr transients with Liverpool and LaSair. C-SNAILS targets are selected automatically from the Zwicky ...
C-SNAILS classifications of optical transients
Source Group: C-SNAILS
Related Objects:
2019moc [ZTF19ablesob]
, RA, DEC:23:55:45.950, +21:57:19.73
(358.941458, 21.955481)
Redshift:0.0558
Type:SN Ic-BL
2019mbr [ZTF19abkfxfb]
, RA, DEC:04:04:08.710, -01:07:27.70
(61.036292, -1.124361)
Redshift:0.032
Type:SN II
2019mge [ZTF19abjioie]
RA, DEC:17:16:48.743, +39:08:53.04
(259.203094, 39.148066)
Redshift:0.087
Type:SN II
Related Notes:
We announce new spectroscopic classifications from C-SNAILS: the Classification Survey for NucleAr transients with Liverpool and LaSair. C-SNAILS targets are selected automatically from the Zwicky ...
C-SNAILS spectra of optical transients
Source Group: C-SNAILS
Related Objects:
2019meh [ZTF19abclykm]
, RA, DEC:21:27:17.450, +64:24:59.18
(321.822708, 64.416439)
Redshift:0.0935
Type:SLSN-II
2019mei [ZTF19abcudso]
, RA, DEC:19:57:20.000, +09:31:32.41
(299.333333, 9.525669)
Redshift:0.212
Type:AGN
2019lky [ZTF19abgjlef]
, RA, DEC:00:29:47.679, +17:33:26.90
(7.448664, 17.557472)
Redshift:0.058
Type:SN Ia
2019lby [ZTF19abfpvle]
, RA, DEC:21:14:04.522, -11:35:26.83
(318.518841, -11.590787)
Redshift:
Type:
2019lse [ZTF19abhisnk]
, RA, DEC:01:54:50.725, +41:05:48.32
(28.711356, 41.096756)
Redshift:
Type:
2019mal [ZTF19abidfsb]
, RA, DEC:23:09:06.581, -17:40:27.23
(347.277422, -17.674230)
Redshift:0.083
Type:SN Ia
2019meg [ZTF19abhhjcc]
, RA, DEC:18:45:16.180, +44:26:19.21
(281.317417, 44.438669)
Redshift:
Type:
2019lwu [ZTF19abidbya]
RA, DEC:23:11:12.305, -01:00:10.71
(347.801273, -1.002975)
Redshift:0.117
Type:TDE
We announce the first observations from C-SNAILS: the Classification Survey for NucleAr transients with Liverpool and LaSair.
C-SNAILS targets are selected automatically from the Zwicky Transien...
Six months of automatic TNS submission of ZTF transients using AMPEL
Source Group: ZTF
The AstroNotes notifications system
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LT Classification of SN 2023ixf as a Type II Supernova in M101
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SN 2023tyk: discovery to spectroscopic classification performed fully automatically