J/other/PZ/32.6 UBVRI light curves of SN 2011dh (Tsvetkov+, 2012)
Photometric observations and preliminary modeling of type IIb supernova 2011dh.
Tsvetkov D.Yu., Volkov I.M., Sorokina E.I., Blinnikov S.I., Pavlyuk N.N.,
Borisov G.V.
<Perem. Zvezdy, 32, 6 (2012)>
=2012PZ.....32....6T 2012PZ.....32....6T
ADC_Keywords: Supernovae ; Photometry, UBVRI
Abstract:
CCD UBVRI photometry is presented for type IIb SN 2011dh for about 300
days. The main photometric parameters are derived and the comparison
with SNe of similar types is reported. The light curves are similar to
those for SN IIb 2008ax, but the initial flash is stronger and very
short, and there are humps on the light curves in U and B at the onset
of linear decline. Preliminary modeling is carried out, and the
results are compared to the quasi-bolometric light curve and to the
light curves in UBVRI bands.
Description:
On June 1, 2011, a sequence of unfiltered images of M51 was obtained
with the 192-mm telescope (hereafter C19), equipped with an FLI
PL16803 CCD camera, at Crimean Observatory of the Sternberg
Astronomical Institute (SAI). 53 frames were obtained in the
19:25-20:31 UT time interval. 5 days later we started regular
monitoring of SN 2011dh and continued observations till 2012 April 4.
CCD images in the Johnson-Cousins bands were obtained with the
following instruments: the 15-cm and 60-cm telescopes of the
Astronomical Institute of Slovak Academy of Sciences at Tatranska
Lomnica (S15, S60), equipped, respectively, with SBIG ST-10XME and
Princeton Instruments VersArray F512 CCD cameras; the 60-cm reflector
of the SAI Crimean Observatory (C60) with an Apogee AP-47p camera; the
70-cm SAI reflector in Moscow (M70) with an Apogee AP-7p camera; the
60-cm reflector of Simeiz Observatory (K60) with a VersArray F512
camera; and the 1-m reflector of Simeiz Observatory, equipped either
with VersArray F512 or with VersArray B1300 cameras (K100a, K100b).
Objects:
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RA (2000) DE Designation(s)
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13 30 36.00 +47 06 33.0 SN 2011dh = SN 2011dh
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File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1.dat 71 62 Observations of SN 2011dh
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Byte-by-byte Description of file: table1.dat
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Bytes Format Units Label Explanations
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1- 10 F10.2 d JD Julian date
12- 16 F5.2 mag Umag ? Johnson U magnitude
18- 21 F4.2 mag e_Umag ? rms uncertainty on Umag
23- 27 F5.2 mag Bmag ? Johnson B magnitude
29- 32 F4.2 mag e_Bmag ? rms uncertainty on Bmag
34- 38 F5.2 mag Vmag ? Johnson V magnitude
40- 43 F4.2 mag e_Vmag ? rms uncertainty on Vmag
45- 49 F5.2 mag Rmag ? Cousins R magnitude
51- 54 F4.2 mag e_Rmag ? rms uncertainty on Rmag
56- 60 F5.2 mag Imag ? Cousins I magnitude
62- 65 F4.2 mag e_Imag ? rms uncertainty on Imag
67- 71 A5 --- Tel Telescope (1)
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Note (1): telescopes are:
C19 = unnfiltered image with the 192-mm telescope at Crimean Observatory
C60 = 60-cm reflector of Crimean Observatory of SAI at Crimean Observatory
K100a = 1-m reflector of Simeiz Observatory, with VersArray F512 camera
K100b = 1-m reflector of Simeiz Observatory, with VersArray B1300 camera
K60 = 60-cm reflector of Simeiz Observatory, with VersArray F512 camera
M70 = 70-cm reflector of Sternberg in Mosco
S15 = 15-cm telescope at Tatranska Lomnica (lovak Academy of Sciences)
S60 = 60-cm telescope at Tatranska Lomnica (lovak Academy of Sciences)
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History:
From electronic version of the journal
(End) Patricia Vannier [CDS] 24-Dec-2012