Spitzer Documentation & Tools
IRS Instrument Handbook

6.4  Peak-Up Acquisition (PUA) Products

If your AOR included an IRS peak-up acquisition or was a Peak-up Only observation, then those peak-up data are also available in the archive. Peak-up images are not delivered for PCRS peak-ups. Table 6.8 is a list of Peak-Up Acquisition products available in the archive.

Table 6.8 Peak-Up Acquisition (PUA) Files Delivered.

Raw Files

Name

Description

Format (a)

Channel (b)

Size (kb)

rawb.fits

Raw data file for blue peak-up acquisition image.

128 × 128 × N

16-bit int

0

200

rawr.fits

Raw data file for red peak-up acquisition image.

128 × 128 × N

16-bit int

0

200

BCD Files

Name

Description

Format

Channel (b)

Type (c)

Size (kb)

acqb.fits

Blue peak-up acquisition image.

41 × 56

32-bit real

0

P

30

acqr.fits

Red peak-up acquisition image.

41 × 56

32-bit real

0

P

30

full.fits

Red and blue peak-up acquisition image.

128 × 128

32-bit real

0

P

100

mskb.fits

BMASK for acqb.fits.

41 × 56

16-bit int

0

P

50

mskr.fits

BMASK for acqr.fits.

41 × 56

16-bit int

0

P

50

out0.pline

Log file for creation of full.fits and initial cutouts of bcdb.fits and bcdr.fits.

ASCII

0

A

100

outb.pline

Log file for final header updates of bcdb.fits.

ASCII

0

A

30

outr.pline

Log file for final header updates of bcdr.fits.

ASCII

0

A

30

(a) N = number of samples per ramp

(b)  0=Short-Low (SL), 1=Short-High (SH), 2 = Long-Low (LL), 3 = Long-High (LH)

(c) P = Primary, A = Ancillary