[MISAO Project] PIXY system (1999 Feb. 17)
Copyright(C) 1997-1999 Seiichi Yoshida. All rights reserved.
seiichi@muraoka.info.waseda.ac.jp
http://www.info.waseda.ac.jp/muraoka/members/seiichi/misao/

**********************************************************************
image=sample.fts
exposure_start=1998 Mar. 7  16:22:27 UT
exposure=20.0 sec
catalog=[CD-ROM] Guide Star Catalog (ver. 1.1)
center=11 48 00.00 +48 00 00.0
pos_error=0.0 deg
field_of_view=1.0 deg
mirror=n
sbig_ratio=n
reject_CR=y
**********************************************************************
width = 400, height = 300
min = -32219.0, max = -12647.0, average = -32040.141758333335
Calculating sky field...done.
sky field = -32043.15893680013
noise = 17.24877264923483
2276 adjoining pixels are detected.
2285 stars are detected.
mean PSF radius = 1.01 (sigma =   0.08 )
Search area size: 2.0x2.0 deg
Loading catalog data ( 12.925 mag, 2.0 deg ) ...done.
177 stars found in catalog. (12.925 mag)
Faintest mag: 12.92 (45 stars are applied.)
mag = -1.0 log_2.512 ( value ) + 19.81492950742546
  (+/-0.00 mag)
Faintest mag: 12.92
18 detected stars used in matching.
212 triangles in detected list.
144 catalog stars used in matching.
14781 triangles in catalog list.
Matching start
  0 / 212 : 11  (35, 0)
  1 / 212 : 11  (35, 0)
 (X, Y) = 1.037 * Rotate_[259.9035] (x, y) + (-131.88,  -95.47)
score: 0.41
  2 / 212 : 18  (31, 0)
  3 / 212 : 143  (24, 0)
  4 / 212 : 274  (21, 0)
 (X, Y) = 1.040 * Rotate_[260.3534] (x, y) + (-133.92,  -96.71)
score: 0.56
Approximate map function:
 (X, Y) = 1.040 * Rotate_[260.3534] (x, y) + (-133.92,  -96.71)
Approximate true center: 11 50 00.65 +48 14 26.4 1.0
Approximate true field of view: 1.0400024801138614 deg
Loading catalog data ( 16.832158927329154 mag, 1.5600037201707921 deg ) ...done.
372 stars found in catalog. (16.832158927329154 mag)
Preliminary pairing...done.
search area size: 5.0 pixel, 4.0 mag
112 stars are paired.
Preliminary limiting mag: 14.91
mag = -1.0 log_2.512 ( value ) + 19.95131681783676
  (+/-0.60 mag)
Limiting mag: 15.05
372 stars remained in catalog after blending.
Preliminary map function:
 (X, Y) = 0.997 * Rotate_[260.0094] (x, y) + (  -0.06,    0.46)
Preliminary distortion field:
   0.5,-1.3         -0.8, 0.3
            0.1,-0.0
   0.2, 0.3         -0.8, 0.8
position error: 4.92" 3.17"
Quasi pairing...done.
search area size: 3.0 pixel, 3.0 mag
114 stars are paired.
Quasi map function:
 (X, Y) = 0.997 * Rotate_[260.0084] (x, y) + (  -0.08,    0.43)
Quasi distortion field:
   0.4,-1.0         -0.7, 0.2
            0.1,-0.1
   0.1, 0.4         -0.3, 0.7
position error: 3.95" 3.17"
Precise (1) pairing...done.
search area size: 1.0 pixel, 99.9 mag
111 stars are paired.
Precise (1) map function:
 (X, Y) = 0.997 * Rotate_[260.0090] (x, y) + (  -0.07,    0.46)
Precise (1) distortion field:
   0.2,-0.4         -0.4, 0.0
            0.1, 0.0
  -0.1, 0.4         -0.1,-0.0
Precise (2) pairing...done.
search area size: 1.0 pixel, 99.9 mag
110 stars are paired.
Precise (2) map function:
 (X, Y) = 0.997 * Rotate_[260.0082] (x, y) + (  -0.07,    0.46)
Precise (2) distortion field:
   0.0,-0.5         -0.4, 0.1
            0.1, 0.0
  -0.2, 0.4         -0.1,-0.0
Final (1st) pairing...done.
search area size: 1.0 pixel, 99.9 mag
110 stars are paired.
Final (2nd) pairing...done.
search area size: 3.0 pixel, 3.0 mag
5 stars are paired.
Final map function:
 (X, Y) = 0.997 * Rotate_[260.0157] (x, y) + (  -0.10,    0.44)
Final distortion field:
   0.3,-0.9         -0.7, 0.2
            0.1,-0.0
   0.2, 0.4         -0.2, 0.5
dx = 0.06700825197894979 + 0.001017083330501211 x + -1.5136674376076232E-4 y + -2.2404247887547596E-6 x^2 + 5.6867887456313365E-6 x y + -4.288191373071797E-6 y^2 + -4.700693206943394E-8 x^3 + -5.668405647671914E-9 x^2 y + -4.35968868797242E-8 x y^2 + 3.800283537138216E-8 y^3
dy = -0.028793493921757354 + -9.338276444662755E-4 x + -9.021338706760015E-4 y + 1.642880740384075E-6 x^2 + -8.01513850330657E-6 x y + 6.033229157594716E-7 y^2 + 2.7756891244252502E-8 x^3 + 6.59089037837414E-8 x^2 y + 6.238273636951391E-8 x y^2 + 4.148822042138683E-8 y^3
position error: 3.25" 2.66"
240 NC stars out of the image or at edge are removed.
130 cosmic rays are removed.
4 NC stars are blended.
Magnitude adjustment:
   7.5 ->  8.0
   8.0 ->  8.5
   8.5 ->  8.9
   9.0 ->  9.5
   9.5 ->  9.8
  10.0 -> 10.3
  10.5 -> 10.7
  11.0 -> 10.9
  11.5 -> 11.7
  12.0 -> 12.1
  12.5 -> 12.6
  13.0 -> 13.0
  13.5 -> 13.4
  14.0 -> 13.7
  14.5 -> 14.1
  15.0 -> 14.4
Faintest mag = 15.628431261850364
Limiting mag = 14.401037071419523
constant mag error = 0.1969605827695665 mag
constant error: +/- 0.20 mag
dependent error: +/- 1.0 at 12.45 mag
8 stars are remarkable.
1 nonsense blended catalog data are removed.
1 faint RP data are removed as mis-pairs.
Image mapping
  11 51 46.06  +47 39 39.8                          11 52 52.33  +48 40 43.7
                            11 50 00.78  +48 14 22.9
  11 47 11.47  +47 47 40.8                          11 48 13.38  +48 48 59.0
**********************************************************************
[Image Information]
image=sample.fts
image_size=400 x 300
exposure_start=1998 Mar. 7  16:22:27 UT
exposure=20.0 sec
center=11 50 00.78 +48 14 22.9
field_of_view=1.037 x 0.778 deg
pixel_size=9.33" / pixel
p.a.=99.98 deg
limiting_mag=14.40 mag
faintest_mag=15.63 mag
pos_error=3.25" 2.66"
mag_error=+/- 0.20 mag +/- 1.0 at 12.45 mag

[Statistics]
PS=107
RM=5
RP=2
ND=1
NC=5
NR=0

Sun Feb 21 09:25:41 JST 1999
Sun Feb 21 09:27:19 JST 1999
Please send all outputs to Seiichi Yoshida by E-mail (seiichi@muraoka.info.waseda.ac.jp).