RA/DEC (2000)
14:02:16.780 +54:26:20.50
210.569917 +54.439028
Type
LRN
Redshift
0.000804
Discovery ReportClassification Report
Reporting Group
None
Discovering Data Source
None
Discovery Date
2015-02-10 21:41:45.600
TNS AT
Y
Public
Y
Host Name
NGC5457, M101
Host Redshift
0.000804
Comments
[Object cross-matched with NGC5457, M101]
Discovery Mag
16.5
Filter
Clear-
Reporter/s
Vîntdevară Dumitru Ciprian (Bârlad Astronomical Observatory)
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

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)

Light curves

 ▌Other_Other_Clear
   
Pointer position (MJD, Mag, Abs.Mag): (0.00, 0.00, 0.00)
Spectra
 ID Obs-date (UT) Tel / Inst Exp-Time Observer/s Reducer/s Group Spectrum ascii file Spectrum fits file Spec. Type Assoc. Groups End prop. period Remarks
7464 2015-03-11 22:13:19 WHT-4.2m / ISIS 600 O. Vaduvescu iPTF tns_2015dl_2457093.4259201_WHT-4.2m_ISIS_iPTF.ascii tns_2015dl_2457093.4259201_WHT-4.2m_ISIS_iPTF.fits Host
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- Other_Other 2015-02-10 21:41:46 - 2015-02-10 21:41:46 2457064.404 - 2457064.404 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
140695 2015-02-10 21:41:46 2457064.404 16.5 VegaMag Clear- Other_Other 600 Dumitru Ciprian Vîntdevară The transient was discovered with a newtonian telescope 0,2 m + CCD camera ATIK 320E (on unfiltered) + EQ6 mount.
AT Reports
ID Time received (UT) Sender Reporter/s Reporting group Disc. Data Source RA DEC Discovery date (UT) Discovery Mag. Filter Related files AT Type Host name Internal name Assoc. Groups End prop. period Remarks ADS Bibcode Unreal Auto classification
72676 2020-06-03 07:26:40 Vîntdevară Dumitru Ciprian Vîntdevară Dumitru Ciprian (Bârlad Astronomical Observatory) 14:02:16.780 +54:26:20.50 2015-02-10 21:41:45.600 16.5 Clear- 2 Other M 101 On 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 2020TNSTR1673....1C N
Related files
File Comments Last Modified (UT) Modified By
tns_2015dl_atrep_72676.jpg Discovery image 2020-06-03 07:26:41 Vîntdevară Dumitru Ciprian
tns_2015dl_atrep_72676_0.jpg Spectrum 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 #8599 2020-06-03 07:26:41 Vîntdevară Dumitru Ciprian
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
7451 2020-09-08 14:24:45 Nadejda Blagorodnova Mujortova Nadejda Blagorodnova iPTF LRN 0.000804 1 iPTF Red continuum and narrow emission lines corresponding to a luminous red nova (LRN). Spectra published in Blagorodnova et al. 2017. 2020TNSCR2757....1B
Spectra
ID Obs-date (UT) Tel / Inst Exp-Time Observer/s Reducer/s Group Spectrum ascii file Spectrum fits file Spec. Type Assoc. Groups End prop. period Remarks
7464 2015-03-11 22:13:19 WHT-4.2m / ISIS 600 O. Vaduvescu iPTF tns_2015dl_2457093.4259201_WHT-4.2m_ISIS_iPTF.ascii tns_2015dl_2457093.4259201_WHT-4.2m_ISIS_iPTF.fits Host

Comments