SN 2020lfn
RA/DEC (2000)
16:26:56.890 +20:14:45.20
246.737042 +20.245889
Type
SN II
Redshift
0.044
Related AstroNotes: 2020-116
Reporting Group
ALeRCE
Discovering Data Source
ZTF
Discovery Date
2020-05-27 06:32:44.002
TNS AT
Y
Public
Y
Host Name
SDSS J162656.94+201447.8
Host Redshift
0.037
Discovery Mag
20.3854
Filter
r-ZTF
Reporter/s
F. Forster, F.E. Bauer, L. Galbany, G. Pignata, E. Camacho, J. Silva-Farfan, J. Arredondo, G. Cabrera-Vives, R. Carrasco-Davis, P.A. Estevez, P. Huijse, E. Reyes, I. Reyes, P. Sanchez-Saez, C. Valenzuela, E. Castillo, D. Ruz-Mieres, D. Rodriguez-Mancini, F.E. Bauer, M. Catelan, S. Eyheramendy, M.J. Graham on behalf of the ALeRCE broker
Separated 30,541.600 arcsec from TESS-active sector/s (25,26) source : RA=16:49:02.400, DEC=+27:03:36.00
Separated 30,541.600 arcsec from TESS-Sector25 source : RA=16:49:02.400, DEC=+27:03:36.00

Spectra

 SN_2020lfn - 2020-05-29 00:00:00 NOT / ALFOSC (None)z=
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Show [Ca II] at z=vexp= km/s
Show Fe II at z=vexp= km/s
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)
Spectra
SelectIDObs-date (UT)Tel / InstExp-TimeObserver/sReducer/sGroupSpectrum ascii fileSpectrum fits fileSpec. TypeAssoc. GroupsEnd prop. periodRemarks
67692020-05-29 00:00:00NOT / ALFOSCNOTNone tns_2020lfn_2020-05-29_NOT_ALFOSC.txtObject
Light Curves
FilterTel / InstObs-date rangePhotometry
cyan-ATLASATLAS1_ACAM12020-05-26 11:19:41 - 2020-05-26 11:19:411
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
1400382020-05-26 11:19:4119.75ABMagcyan-ATLASATLAS1_ACAM130Robot[Last non detection]
orange-ATLASATLAS1_ACAM12020-05-30 08:47:02 - 2020-05-30 08:47:021
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
1400392020-05-30 08:47:0218.3510.11419.56ABMagorange-ATLASATLAS1_ACAM130Robot
G-GaiaGaia_Gaia-photometric2020-04-18 20:52:48 - 2020-06-21 04:56:382
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
1445872020-06-21 04:56:3818.290.2ABMagG-GaiaGaia_Gaia-photometric60Robot
1445862020-04-18 20:52:4821.5ABMagG-GaiaGaia_Gaia-photometricRobot[Last non detection]
g-ZTFP48_ZTF-Cam2020-05-26 07:34:11 - 2020-05-26 07:34:113
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
1396232020-05-26 07:34:1120.9119ABMagg-ZTFP48_ZTF-Cam30Robot[Last non detection] Data provided by ZTF
1401992020-05-26 07:34:1120.9119ABMagg-ZTFP48_ZTF-Cam30[Last non detection]
1396992020-05-26 07:34:1120.9119ABMagg-ZTFP48_ZTF-Cam30[Last non detection]
r-ZTFP48_ZTF-Cam2020-05-27 06:32:44 - 2020-05-28 07:05:565
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
1402012020-05-28 07:05:5618.940.120.74ABMagr-ZTFP48_ZTF-Cam30
1397012020-05-28 07:05:5618.940.120.74ABMagr-ZTFP48_ZTF-Cam30
1396242020-05-27 06:32:4420.38540.19368220.7024ABMagr-ZTFP48_ZTF-Cam30RobotData provided by ZTF
1402002020-05-27 06:32:4420.390.1920.7ABMagr-ZTFP48_ZTF-Cam30
1397002020-05-27 06:32:4420.390.1920.7ABMagr-ZTFP48_ZTF-Cam30
AT Reports
IDTime received (UT)SenderReporter/sReportting groupDisc. Data SourceRADECDiscovery date (UT)Discovery Mag.FilterRelated filesAT TypeInternal nameAssoc. GroupsEnd prop. periodRemarks
748222020-06-22 23:07:20Gaia_Bot1S.T. Hodgkin, E. Breedt, A. Delgado, D.L. Harrison, M. van Leeuwen, G. Rixon, T. Wevers, A. Yoldas (IoA Cambridge), N. Ihanec, K. Kruszyńska, K.A. Rybicki, Ł. Wyrzykowski (Warsaw University Astronomical Observatory), Z. Kostrzewa-Rutkowska (Leiden Observatory), D. Eappachen (SRON/RU), G. Marton (Konkoly Observatory), on behalf of the Gaia Alerts teamGaiaAlertsGaiaAlerts16:26:56.890+20:14:45.202020-06-21 04:56:38.40018.29G-GaiaPSNGaia20cwpGaiaAlertsconfirmed SN II
724352020-05-31 07:13:49ZTF_AMPEL_COMPLETEJ. Nordin, V. Brinnel, M. Giomi, J. van Santen (HU Berlin), A. Gal-Yam, O. Yaron, S. Schulze (Weizmann) on behalf of ZTFZTFZTF16:26:56.889+20:14:45.252020-05-27 06:32:43.87220.39r-ZTFPSNZTF20abccixpZTFSee arXiv:1904.05922 for selection criteria.
723442020-05-30 11:06:42ATLAS_Bot1J. Tonry, L. Denneau, A. Heinze, H. Weiland, H. Flewelling (IfA, University of Hawaii), B. Stalder (LSST), A. Rest (STScI), C. Stubbs (Harvard University), K. W. Smith, S. J. Smartt, D. R. Young, S. Srivastav, O. McBrien, D. O'Neill, P. Clark, M. Fulton, J. Gillanders, M. Dobson (Queen's University Belfast), T.-W. Chen (MPE), D. E. Wright (University of Minnesota), J. Anderson (ESO)ATLASATLAS16:26:56.903+20:14:45.202020-05-30 08:47:02.40018.351orange-ATLASPSNATLAS20oflATLAS
721952020-05-28 08:12:48ZTF_AMPEL_NEWJ. Nordin, V. Brinnel, M. Giomi, J. van Santen (HU Berlin), A. Gal-Yam, O. Yaron, S. Schulze (Weizmann) on behalf of ZTFZTFZTF16:26:56.891+20:14:45.302020-05-27 06:32:43.87220.39r-ZTFPSNZTF20abccixpZTFSee arXiv:1904.05922 for selection criteria.
721682020-05-27 19:58:03ALeRCEF. Forster, F.E. Bauer, L. Galbany, G. Pignata, E. Camacho, J. Silva-Farfan, J. Arredondo, G. Cabrera-Vives, R. Carrasco-Davis, P.A. Estevez, P. Huijse, E. Reyes, I. Reyes, P. Sanchez-Saez, C. Valenzuela, E. Castillo, D. Ruz-Mieres, D. Rodriguez-Mancini, F.E. Bauer, M. Catelan, S. Eyheramendy, M.J. Graham on behalf of the ALeRCE brokerALeRCEZTF16:26:56.893+20:14:45.422020-05-27 06:32:44.00220.3854r-ZTFPSNZTF20abccixpZTFEarly SN candidate (r-rise > 0.38+-0.20 mag/day) classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF20abccixp
Classification Reports
IDTime received (UT)SenderClassifier/sGroupClassificationRedshiftRelated filesAssoc. GroupsEnd prop. periodRemarksADS Bibcode
67572020-05-30 15:21:27crangusL. Izzo, C. Angus, J. Hjorth, C. Gall NoneSN II0.044Spectrum obtained 29/05/2020 with NOT+ALFOSC, gr4. Spectrum shows blue continuum with narrow Balmer and Helium emission lines at z=0.044, consistent with early type II SN templates. 2020TNSCR1621....1I

Comments

Object coordinates updated according to AT-report 74822 of Group GaiaAlerts
Previous RA, DEC: 16:26:56.889, +20:14:45.25 (246.73703718889, +20.245903288889)
Updated RA, DEC: 16:26:56.890, +20:14:45.20 (246.737042, 20.245889)

Object coordinates updated according to AT-report 72435 of Group ZTF
Previous RA, DEC: 16:26:56.891, +20:14:45.30 (246.7370459, +20.24591765)
Updated RA, DEC: 16:26:56.889, +20:14:45.25 (246.73703718889, 20.245903288889)

Cool (actually hot) flash features!

Object coordinates updated according to AT-report 72195 of Group ZTF
Previous RA, DEC: 16:26:56.893, +20:14:45.42 (246.7370532, +20.2459513)
Updated RA, DEC: 16:26:56.891, +20:14:45.30 (246.7370459, 20.24591765)