J/MNRAS/376/1301 UBVRI light-curves of SN 2005cf (Pastorello+, 2007)
ESC observations of SN 2005cf.
I. Photometric evolution of a normal Type Ia supernova.
Pastorello A., Taubenberger S., Elias-Rosa N., Mazzali P.A., Pignata G.,
Cappellaro E., Garavini G., Nobili S., Anupama G.C., Bayliss D.D.R.,
Benetti S., Bufano F., Chakradhari N.K., Kotak R., Goobar A.,
Navasardyan H., Patat F., Sahu D.K., Salvo M., Schmidt B.P., Stanishev V.,
Turatto M., Hillebrandt W.
<Mon. Not. R. Astron. Soc., 376, 1301-1316 (2007)>
=2007MNRAS.376.1301P 2007MNRAS.376.1301P
ADC_Keywords: Supernovae ; Photometry, UBVRI
Keywords: supernovae: general -
supernovae: individual: SN 2005cf, SN 1992al, SN 2001el -
galaxies: individual: MCG-01-39-003, NGC 5917
Abstract:
We present early-time optical and near-infrared photometry of
supernova (SN) 2005cf. The observations, spanning a period from about
12d before to 3 months after maximum, have been obtained through the
coordination of observational efforts of various nodes of the European
Supernova Collaboration and including data obtained at the 2-m
Himalayan Chandra Telescope. From the observed light curve we deduce
that SN 2005cf is a fairly typical SN Ia with a post-maximum decline
[δm15(B)true=1.12] close to the average value and a normal
luminosity of MB,max=-19.39±0.33. Models of the bolometric light
curve suggest a synthesized 56Ni mass of about 0.7M☉. The
negligible host galaxy interstellar extinction and its proximity make
SN 2005cf a good Type Ia SN template.
Description:
We have obtained more than 360 optical data points, covering about 60
nights, from about 12d before the B-band maximum to approximately 3
months after. In addition, near-infrared (NIR) observations have been
performed in five selected epochs. Observations at late phases will be
presented in a forthcoming paper.
During the follow-up, eight different instruments have been used for
the optical and two for the NIR observations.
Objects:
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RA (2000) DE Designation(s)
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15 21 32.21 -07 24 47.5 SN 2005cf = SN 2005cf
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File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table5.dat 93 79 Original U,B,V,R,I magnitudes of SN 2005cf and
S-corrections to be added to the original
magnitudes to obtain the final, S-corrected
optical magnitudes of SN 2005cf
table6.dat 90 82 Final, S-corrected U,B,V,R,I magnitudes of SN 2005cf
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Byte-by-byte Description of file: table5.dat
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Bytes Format Units Label Explanations
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1- 10 A10 "DD/MM/YYYY" Date Observation date
12- 21 F10.2 d HJD Heliocebtric Julian date of observation
23- 28 F6.3 mag Umag ? Original Johnson U magnitude
30- 35 F6.3 mag Bmag ? Original Johnson B magnitude
37- 42 F6.3 mag Vmag ? Original Johnson V magnitude
44- 49 F6.3 mag Rmag ? Original Cousins R magnitude
51- 56 F6.3 mag Imag ? Original Cousins I magnitude
58- 63 F6.3 mag DUmag ? S-correction in Umag (1)
65- 70 F6.3 mag DBmag ? S-correction in Dmag (1)
72- 77 F6.3 mag DVmag ? S-correction in Vmag (1)
79- 84 F6.3 mag DRmag ? S-correction in Rmag (1)
86- 91 F6.3 mag DImag ? S-correction in Imag (1)
93 A1 --- Inst Instrument used (G1)
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Note (1): S-correction to be added to the original magnitude to obtain the
final, S-corrected optical magnitude.
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Byte-by-byte Description of file: table6.dat
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Bytes Format Units Label Explanations
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1- 10 A10 "DD/MM/YYYY" Date Observation date DD/M
12- 21 F10.2 d HJD Heliocebtric Julian date of observation
23- 28 F6.3 mag Umag ? S-corrected Johnson U magnitude
30- 34 F5.3 mag e_Umag ? rms uncertainty on Umag (1)
36- 41 F6.3 mag Bmag ? S-corrected Johnson B magnitude
43- 47 F5.3 mag e_Bmag ? rms uncertainty on Bmag (1)
49- 54 F6.3 mag Vmag ? S-corrected Johnson V magnitude
56- 60 F5.3 mag e_Vmag ? rms uncertainty on Vmag (1)
62- 63 A2 --- l_Rmag [≥ ] Limit flag on Rmag
64- 69 F6.3 mag Rmag ? S-corrected Cousins R magnitude (2)
71- 75 F5.3 mag e_Rmag ? rms uncertainty on Rmag (1)
77- 82 F6.3 mag Imag ? S-corrected Cousins I magnitude
84- 88 F5.3 mag e_Imag ? rms uncertainty on Imag (1)
90 A1 --- Inst Instrument used (G1)
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Note (1): The uncertainties take into account both measurement and
photometric calibration errors.
Note (2): Unfiltered measurements from IAU Circ. 8534 are also reported
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Global notes:
Note (G1): Instruments are numbered as follows:
0 = unfiltered magnitudes from IAU Circ. 8534 (2005IAUC.8534....1P 2005IAUC.8534....1P,
2005IAUC.8534....2S 2005IAUC.8534....2S and 2005IAUC.8534....3M 2005IAUC.8534....3M)
1 = 40-in. SSO Telescope + WFI
2 = 3.5-m Telescopio Nazionale Galileo + DOLORES
3 = 2.5-m Nordic Optical Telescope + ALFOSC
4 = 2.3-m SSO Telescope + imager
5 = 1.2-m Mercator Telescope + MEROPE
6 = 2.2-m Calar Alto Telescope + CAFOS
7 = 1.82-m Copernico Telescope + AFOSC
8 = 2.2-m ESO/MPI Telescope + WFI
H = 2-m Himalayan/Chandra/Telescope + HFOSC
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History:
From electronic version of the journal
(End) Patricia Vannier [CDS] 11-Feb-2008