NICMOS Associations: An example
TYPE ID Input Files Cal Output Files
(.fits) Nic (.fits)
----------- --------- ---------------- --- ------------
Association n3s215040 _asn B _asc _trl
Product n3s215040 (_spt) _mos
Product n3s215041 (_spt) _mos
Product n3s215042 (_spt) _mos
Dataset n3s2150ao _raw (_spt) A _ima _cal _trl
Dataset n3s2150fo _raw (_spt) A _ima _cal _trl
Dataset n3s2150ko _raw (_spt) A _ima _cal _trl
Dataset n3s2150po _raw (_spt) A _ima _cal _trl
Dataset n3s2150uo _raw (_spt) A _ima _cal _trl
n3s2150uo
I/O File NEXTENSION Bits/Pixel NAXIS Format Size
INPUT n3s2150uo_raw 75 16 2 256x256 2.476.800
INPUT n3s2150uo_spt 15 16 0 -
(15x) 16 1 965x0 754.560
OUTPUT n3s2150uo_ima 75 16,-32 0,2 -,256x256 16.430.400
OUTPUT n3s2150uo_cal 5 16,-32 0,2 -,256x256 1.108.800
OUTPUT n3s215040_mos 5 16,-32 0,2 -,256x256 1.108.800
OUTPUT n3s2150uo_trl output file of calnica from the institute
OUTPUT n3s2150uo_trl output file of calnica from the institute
Values of XTENSION BITPIX NAXIS NAXIS1 EXTNAME
from n3s2150uo headers:
n3s215040_asn.fits is a table containing information on the association:
Size: 14400
Contents:
SIMPLE = T / data conform to FITS standard
BITPIX = 8 / bits per data value
NAXIS = 0 / number of data axes
EXTEND = F / file contains image extensions
NEXTEND = 1 / number of image extensions
GROUPS = F / image is in group format
DATE = '06/12/96 ' / date this file was written (dd/mm/yy)
TELESCOP= 'HST ' / telescope used to acquire data
INSTRUME= 'NICMOS ' / instrument in use
EQUINOX = 2000.0 / equinox of the celestial coordinate system
/ DATA DESCRIPTION KEYWORDS ...
/ TARGET INFORMATION ...
/ PROPOSAL INFORMATION ...
/ ASSOCIATION KEYWORDS ...
ASN_ID = 'N3S215040 ' / unique identifier assigned to association
ASN_TAB = 'N3S215040_ASN.FITS' / name of the association table
ASN_STAT= 'COMPLETE ' / status of association (COMPLETE/INCOMPLETE)
ASN_PROD= T / product created (T/F)
END
XTENSION= 'BINTABLE ' / extension type
BITPIX = 8 / bits per data value
NAXIS = 2 / number of data axes
NAXIS1 = 29 / length of first data axis
NAXIS2 = 8 /
PCOUNT = 0 / number of parameters
GCOUNT = 1 / number of groups
TFIELDS = 3 /
INHERIT = F / inherit the primary header
EXTNAME = 'ASN ' / extension name
EXTVER = 1 / extension version number
ROOTNAME= 'N3S215040 ' / rootname of the observation set
EXPNAME = 'N3S215040 ' / 9 character exposure identifier
TTYPE1 = 'MEMNAME ' / name of association member
TFORM1 = '14A ' / format in which field 1 is coded
TTYPE2 = 'MEMTYPE ' / type of association member
TFORM2 = '14A ' / format in which field 2 is coded
TTYPE3 = 'MEMPRSNT ' / flag to indicate if member is present (T/F)
TFORM3 = 'L ' / format in which field 3 is coded
MEMNAME MEMTYPE MEMPRSNT
--------- --------- -
N3S2150AO EXP-TARG T
N3S2150FO EXP-BCK1 T
N3S2150KO EXP-TARG T
N3S2150PO EXP-BCK2 T
N3S2150UO EXP-TARG T
N3S215040 PROD-TARG T
N3S215041 PROD-BCK1 T
N3S215042 PROD-BCK2 T
Files belonging to the association:
Input:
Association Files:
n3s215040_asn.fits
n3s215040_trl.fits
Product Files:
n3s215040_spt.fits ASN_MTYP='PROD-TARG' / Role of the Exposure in the Assoc.
n3s215041_spt.fits ASN_MTYP='PROD-BCK1' / Role of the Exposure in the Assoc.
n3s215042_spt.fits ASN_MTYP='PROD-BCK2' / Role of the Exposure in the Assoc.
Other case: ASN_MTYP= 'SOURCE' / Role of the Exposure in the Assoc.
Dataset Files:
n3s2150ao_raw.fits Raw Data File (input for calnica)
n3s2150ao_spt.fits ??? now it contains as well an UDL 1-Dim IMAGE ???
n3s2150ao_trl.fits Output of STScI calnica
n3s2150fo_raw.fits
n3s2150fo_spt.fits
n3s2150fo_trl.fits
n3s2150ko_raw.fits
n3s2150ko_spt.fits
n3s2150ko_trl.fits
n3s2150po_raw.fits
n3s2150po_trl.fits
n3s2150po_spt.fits
n3s2150uo_raw.fits
n3s2150uo_trl.fits
n3s2150uo_spt.fits
SPT File TOC:
/ NICMOS OVERHEAD TIMES
/ SUPPORT SCHEDULE: DATA GROUP II DATA
/ TARGET INFORMATION / PROPOSAL INFORMATION
/ ONBOARD EPHEMERIS MODEL PARAMETERS
/ PROPOSAL INFO: Instrument Configuration
/ PROPOSAL INFO: Target Description
/ PROPOSAL INFO: Flux Information
/ PROPOSAL INFO: Exposure Information
/ PROPOSAL INFO: Moving Target Information
/ PROPOSAL INFO: Target Properties
/ PROPOSAL INFO: Spatial Scan Info
...
/ ASSOCIATION KEYWORDS
ASN_ID = 'N3S215040 ' / unique identifier assigned to association
ASN_TAB = 'NONE ' / name of the association table
ASN_MTYP= 'PROD-TARG' / Role of the Exposure in the Association
Output:
Output of calnic A
n3s2150ao_ima.fits output of calnic A
n3s2150ao_cal.fits " " " "
n3s2150ao_raw.fits_calnica.log Log of calnicb
n3s2150fo_ima.fits
n3s2150fo_cal.fits
n3s2150fo_raw.fits_calnica.log
n3s2150ko_ima.fits
n3s2150ko_cal.fits
n3s2150ko_raw.fits_calnica.log
n3s2150po_ima.fits
n3s2150po_raw.fits_calnica.log
n3s2150po_cal.fits
n3s2150uo_ima.fits
n3s2150uo_cal.fits
n3s2150uo_raw.fits_calnica.log
Output of calnic B
n3s215040_mos.fits output of calnic B
n3s215041_mos.fits " " " "
n3s215042_mos.fits " " " "
n3s215040_calnicb.log Log of calnic B
n3s215040_asc.fits FILETYPE= 'ASN_TABLE' / type of data found in data file
_asc.fits:
Contains a binary table:
TFIELDS = 7 /
TTYPE1 = 'MEMNAME ' / label for field 1
TFORM1 = '14A ' / data format of the field: ASCII Character
TTYPE2 = 'MEMTYPE ' / label for field 2
TFORM2 = '14A ' / data format of the field: ASCII Character
TTYPE3 = 'MEMPRSNT' / label for field 3
TFORM3 = '1L ' / data format of the field: 1-byte LOGICAL
TTYPE4 = 'BKGIMAGE' / label for field 4
TFORM4 = '1L ' / data format of the field: 1-byte LOGICAL
TTYPE5 = 'MEANBKG ' / label for field 5
TFORM5 = '1E ' / data format of the field: 4-byte REAL
TUNIT5 = 'DN ' / physical unit of field
TTYPE6 = 'XOFFSET ' / label for field 6
TFORM6 = '1E ' / data format of the field: 4-byte REAL
TUNIT6 = 'pixels ' / physical unit of field
TTYPE7 = 'YOFFSET ' / label for field 7
TFORM7 = '1E ' / data format of the field: 4-byte REAL
TUNIT7 = 'pixels ' / physical unit of field
E.g.,
n3s2150ao EXP-TARG TF˙˙˙˙
n3s2150fo EXP-BCK1 TTB·
n3s2150ko EXP-TARG TF˙˙˙˙
n3s2150po EXP-BCK2 TTB0
n3s2150uo EXP-TARG TF˙˙˙˙
n3s215040 PROD-TARG TF˙˙˙˙˙˙˙˙˙˙˙˙
n3s215041 PROD-BCK1 TF˙˙˙˙˙˙˙˙˙˙˙˙
n3s215042 PROD-BCK2 TF˙˙˙˙˙˙˙˙˙˙˙˙
and