AT 2015dl
RA/DEC (2000)
14:02:16.780 +54:26:20.50
210.569917 +54.439028
Type
LRN
Redshift
0.000804
Reporting Group
None
Discovering Data Source
None
Discovery Date
2015-02-10 21:41:45.600
TNS AT
Y
Public
Y
Host Name
M 101
Host Redshift
0.000804
Discovery Mag
16.5
Filter
Clear-
Reporter/s
Vîntdevară Dumitru Ciprian (Bârlad Astronomical Observatory)

Spectra

 AT_2015dl - 2015-03-11 22:13:19 WHT-4.2m / ISIS (iPTF) -host-z=
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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
74642015-03-11 22:13:19WHT-4.2m / ISIS600O. VaduvescuiPTF tns_2015dl_2457093.4259201_WHT-4.2m_ISIS_iPTF.ascii tns_2015dl_2457093.4259201_WHT-4.2m_ISIS_iPTF.fitsHostiPTF
Light Curves
FilterTel / InstObs-date rangePhotometry
Clear-Other_Other2015-02-10 21:41:46 - 2015-02-10 21:41:461
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
1406952015-02-10 21:41:4616.5VegaMagClear-Other_Other600Dumitru Ciprian VîntdevarăThe transient was discovered with a newtonian telescope 0,2 m + CCD camera ATIK 320E (on unfiltered) + EQ6 mount.
AT Reports
IDTime received (UT)SenderReporter/sReportting groupDisc. Data SourceRADECDiscovery date (UT)Discovery Mag.FilterRelated filesAT TypeInternal nameAssoc. GroupsEnd prop. periodRemarks
726762020-06-03 07:26:40astrobarladVîntdevară Dumitru Ciprian (Bârlad Astronomical Observatory)14:02:16.780+54:26:20.502015-02-10 21:41:45.60016.5Clear-OtherOn the 10th of February 2015 I reported a new transient object in M101 to CBAT: http://www.cbat.eps.harvard.edu/unconf/followups/J14021678+5426205.html This was later confirmed as a Luminous Red Nova: http://www.astronomerstelegram.org/?read=8599 Other sources: http://www.vgoranskij.net/lrn2015-in-m101.pdf https://iopscience.iop.org/article/10.3847/1538-4357/834/2/107 http://www.rochesterastronomy.org/sn2015/snname.html https://ui.adsabs.harvard.edu/abs/2017ApJ...834..107B/abstract http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=NAME+M101+OT2015-1 At the moment, the transient is called M101 OT2005-1: https://en.wikipedia.org/wiki/M101_OT2015-1
Related files
FileFile TypeCommentsLast Modified (UT)Modified By
tns_2015dl_atrep_72676.jpgGraphicsDiscovery image2020-06-03 07:26:41astrobarlad
tns_2015dl_atrep_72676_0.jpgGraphicsSpectrum of the LRN in M101 obtained with the BTA telescope and the SCORPIO camera on February 24, 2015 near the maximum of the second outburst. Credit: Vitaly Goranskij, ATel #85992020-06-03 07:26:41astrobarlad
Classification Reports
IDTime received (UT)SenderClassifier/sGroupClassificationRedshiftRelated filesAssoc. GroupsEnd prop. periodRemarksADS Bibcode
74512020-09-08 14:24:45nblagoNadejda BlagorodnovaiPTFLRN0.000804iPTFRed continuum and narrow emission lines corresponding to a luminous red nova (LRN). Spectra published in Blagorodnova et al. 2017.2020TNSCR2757....1B