Suzaku Observation : 703062010

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Fits Header

TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '703062010'          / Observation identification string
OBSERVER= 'DAVID MARK ALEXANDER' / Principal Investigator
OBJECT  = 'NGC 1448'           / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =              56.1329 / planned target R.A.(deg)
DEC_OBJ =             -44.6447 / planned target DEC.(deg)
RA_NOM  = 5.614260000000000E+01 / Right Ascension of target (deci. deg)
DEC_NOM = -4.469420000000000E+01 / Declination of target (deci. deg)
PA_NOM  =             264.6522 / nominal position angle from north to DETY(deg)
MEAN_EA1=      56.142624058273 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=     134.694199926689 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=     185.347830416083 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2009-02-17T08:21:23' / Start date of observations
DATE-END= '2009-02-18T10:48:09' / End date of observations
TSTART  = 2.881741470000000E+08 / time start
TSTOP   = 2.882692750126730E+08 / time stop
TELAPSE = 9.512801267296076E+04 / elapsed time
ONTIME  = 5.296533994799852E+04 / On-source time
EXPOSURE= 5.296533994799852E+04 / Exposure time
MJD-OBS = 5.487934966648148E+04 / MJD of data start time
FILIN001= 'ae703062010xi0_0_3x3n066a_cl.evt.gz' / Input file name
SEQPNUM =                    3 / Number of times this dataset processed
PROCVER = '3.0.22.43'          / Processing script version
MK1STVER= 'mk1stfits20120530'  / Version of mk1stfits used
SOFTVER = 'Hea_08Feb2016_V6.18_Suzaku_14Nov2013_V22' / Version of HEADAS used
CALDBVER= 'hxd20110913_xis20151005_xrt20110630_xrs20060410' / Version of CALDB u
FILIN002= 'ae703062010xi0_0_5x5n066a_cl.evt.gz' / Input file name
FILIN003= 'ae703062010xi1_0_3x3n069b_cl.evt.gz' / Input file name
FILIN004= 'ae703062010xi1_0_5x5n069b_cl.evt.gz' / Input file name
FILIN005= 'ae703062010xi3_0_3x3n066a_cl.evt.gz' / Input file name
FILIN006= 'ae703062010xi3_0_5x5n066a_cl.evt.gz' / Input file name
COMMENT -------------------------
COMMENT BITPIX compressed from 32 to 8.
COMMENT Pixel values greater than 255 was set to 255.
COMMENT This file was made for JUDO-Suzaku.
COMMENT -------------------------
COMMENT   FITS (Flexible Image Transport System) format is defined in 'Astronomy

Abstract:

We propose for a 50 ks Suzaku observation of NGC 1448, a nearby (15 Mpc) gas-rich and dust-obscured Scd galaxy that is optically classified as an HII galaxy. From our Spitzer-IRS mid-IR spectroscopy, we have found the first evidence for an obscured AGN in NGC 1448. On the basis of this data, NGC 1448 appears to be harboring a rapidly growing small obscured black hole (M_BH ~ 6x10^5 M_Sun; Eddington ratio of >0.1), and therefore appears to be an analog of the nearby Compton-thick AGN NGC 4945. To date, no sensitive hard X-ray constraints exist for NGC 1448, which are required to provide a direct measurement of the absorption and mass accretion rate, and thus to test if NGC 1448 is also a Compton-thick AGN.