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J/MNRAS/450/3137     Optical/NIR light curves of SN 2009ib       (Takats+, 2015)

SN 2009ib: a Type II-P supernova with an unusually long plateau. Takats K., Pignata G., Pumo M.L., Paillas E., Zampieri L., Elias-Rosa N., Benetti S., Bufano F., Cappellaro E., Ergon M., Fraser M., Hamuy M., Inserra C., Kankare E., Smartt S.J., Stritzinger M.D., Van Dyk S.D., Haislip J.B., LaCluyze A.P., Moore J.P., Reichart D. <Mon. Not. R. Astron. Soc., 450, 3137-3154 (2015)> =2015MNRAS.450.3137T (SIMBAD/NED BibCode)
ADC_Keywords: Supernovae ; Photometry, UBVRI ; Photometry, ugriz ; Photometry, infrared Keywords: supernovae: general - supernovae: individual: SN 2009ib - galaxies: individual: NGC 1559 Abstract: We present optical and near-infrared photometry and spectroscopy of SN 2009ib, a Type II-P supernova in NGC 1559. This object has moderate brightness, similar to those of the intermediate-luminosity SNe 2008in and 2009N. Its plateau phase is unusually long, lasting for about 130d after explosion. The spectra are similar to those of the subluminous SN 2002gd, with moderate expansion velocities. We estimate the 56Ni mass produced as 0.046±0.015M. We determine the distance to SN 2009ib using both the expanding photosphere method (EPM) and the standard candle method. We also apply EPM to SN 1986L, a Type II-P SN that exploded in the same galaxy. Combining the results of different methods, we conclude the distance to NGC 1559 as D=19.8±3.0Mpc. We examine archival, pre-explosion images of the field taken with the Hubble Space Telescope, and find a faint source at the position of the SN, which has a yellow colour [(V-I)0=0.85mag]. Assuming it is a single star, we estimate its initial mass as MZAMS=20M. We also examine the possibility, that instead of the yellow source the progenitor of SN 2009ib is a red supergiant star too faint to be detected. In this case, we estimate the upper limit for the initial zero-age main sequence (ZAMS) mass of the progenitor to be ∼14-17M. In addition, we infer the physical properties of the progenitor at the explosion via hydrodynamical modelling of the observables, and estimate the total energy as ∼0.55x1051erg, the pre-explosion radius as ∼400R, and the ejected envelope mass as ∼15M, which implies that the mass of the progenitor before explosion was ∼16.5-17M. Description: Optical photometry was collected using multiple telescopes with UBVRI and u'g'r'i'z' filters, covering the phases between 13 and 262d after explosion. The basic reduction steps of the images (such as bias-subtraction, overscan-correction, flat-fielding) were carried out using the standard IRAF tasks. The photometric measurement of the SN was performed using the point-spread function (PSF) fitting technique via the SNOOPY package in IRAF. Near-infrared photometry was obtained using the Rapid Eye Mount (REM) telescope in JH bands. Dithered images of the SN field were taken in multiple sequences of five. The object images were dark- and flat-field corrected, combined to create sky images then the sky images were subtracted from the object images. The images were then registered and combined. Objects: ----------------------------------------------------------------- RA (ICRS) DE Designation(s) ----------------------------------------------------------------- 04 17 40.09 -62 46 40.3 SN 2009ib = 2MASS J04174008-6246402 ----------------------------------------------------------------- File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file tablea4.dat 90 71 UBVRI magnitudes of SN 2009ib tablea5.dat 83 62 u'g'r'i'z' magnitudes of SN 2009ib obtained with the PROMPT telescopes tablea6.dat 40 13 JH magnitudes of SN 2009ib
See also: B/sn : Asiago Supernova Catalogue (Barbon et al., 1999-) J/MNRAS/442/844 : BVRI light curves of type II-P supernovae (Faran+, 2014) J/ApJ/799/215 : 26 type II-Plateau supernovae parameters (Pejcha+, 2015) Byte-by-byte Description of file: tablea4.dat
Bytes Format Units Label Explanations
1- 10 A10 "date" Date Date of observation 12- 18 F7.1 d MJD Modified Julian Date 20- 25 F6.3 mag Umag ?=- U-band magnitude (1) 27- 31 F5.3 mag e_Umag ?=- Uncertainty in Umag (1) 33- 38 F6.3 mag Bmag ?=- B-band magnitude (1) 40- 44 F5.3 mag e_Bmag ?=- Uncertainty in Bmag (1) 46- 51 F6.3 mag Vmag ?=- V-band magnitude (1) 53- 57 F5.3 mag e_Vmag ?=- Uncertainty in Vmag (1) 59- 64 F6.3 mag Rmag ?=- R-band magnitude (1) 66- 70 F5.3 mag e_Rmag ?=- Uncertainty in Rmag (1) 72- 77 F6.3 mag Imag ?=- I-band magnitude (1) 79- 83 F5.3 mag e_Imag ?=- Uncertainty in Imag (1) 85- 90 A6 --- Tel Telescope (2)
Note (1): NA = Not analysed. Note (2): Telescope as follows: PROMPT = Panchromatic Robotic Optical Monitoring and Polarimetry Telescopes; NTT = 3.6-m New Technology Telescope + EFOSC2; CTIO = CTIO 1.3 m SMARTS telescope + ANDICAM.
Byte-by-byte Description of file: tablea5.dat
Bytes Format Units Label Explanations
1- 10 A10 "date" Date Date of observation 12- 18 F7.1 d MJD Modified Julian Date 20- 25 F6.3 mag u'mag ?=- PROMPT u'-band magnitude 27- 31 F5.3 mag e_u'mag ?=- Uncertainty in u'mag 33- 38 F6.3 mag g'mag ?=- PROMPT g'-band magnitude 40- 44 F5.3 mag e_g'mag ?=- Uncertainty in g'mag 46- 51 F6.3 mag r'mag ?=- PROMPT r'-band magnitude 53- 57 F5.3 mag e_r'mag ?=- Uncertainty in r'mag 59- 64 F6.3 mag i'mag ?=- PROMPT i'-band magnitude 66- 70 F5.3 mag e_i'mag ?=- Uncertainty in i'mag 72- 77 F6.3 mag z'mag ?=- PROMPT z'-band magnitude 79- 83 F5.3 mag e_z'mag ?=- Uncertainty in z'mag
Byte-by-byte Description of file: tablea6.dat
Bytes Format Units Label Explanations
1- 10 A10 "date" Date Date of observation 12- 18 F7.1 d MJD Modified Julian Date 20- 24 F5.2 mag Jmag REM J-band magnitude 26- 29 F4.2 mag e_Jmag Uncertainty in Jmag 31- 35 F5.2 mag Hmag REM H-band magnitude 37- 40 F4.2 mag e_Hmag Uncertainty in Hmag
History: From electronic version of the journal
(End) Tiphaine Pouvreau [CDS] 12-Dec-2017
The document above follows the rules of the Standard Description for Astronomical Catalogues.From this documentation it is possible to generate f77 program to load files into arrays or line by line

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