OBSID 47305 ROLL OPTIONS sparkles review

sparkles version: 4.6.1.dev25+gc3f147a.d20200729
proseco version: 4.8.2.dev21+g1a55bdf
chandra_aca version: 4.29.2.dev6+g3bff9b6

ROLL = 166.12 at 2020:102:05:14:07.268   6.6 ACQ | 6.0 GUI | Critical: 1 Warning: 3 Caution: 1
ROLL = 178.74 at 2020:102:05:14:07.268   7.5 ACQ | 8.0 GUI | Warning: 1 Caution: 1

Roll options (roll_min=148.54 roll_nom=167.28 roll_max=186.03 method=uniq_ids

)
roll P2 n_stars improvement roll_min roll_max add_ids drop_ids warnings
166.12 4.11 2.36 0.00 166.12 166.12 -- -- Critical: 1 Warning: 3 Caution: 1
178.74 5.79 3.36 1.83 175.62 181.87 39720144 40641832 Warning: 1 Caution: 1

ACA roll 166.12 at 2020:102:05:14:07.268

ACIS-S SIM-Z offset: 0.0
ACA RA, Dec, Roll (deg): 202.91335 3.79510 166.11971
Dither acq: Y_amp= 8.0  Z_amp=8.0
Dither gui: Y_amp= 8.0  Z_amp=8.0
Maneuver Angle: 82.39
Date: 2020:102:05:14:07.268

idx slot    id    type  sz p_acq  mag  mag_err   yang    zang   row    col   dim res halfw
--- ---- -------- ---- --- ----- ----- ------- ------- ------- ------ ------ --- --- -----
  1    0 39717064  BOT 8x8 0.981  6.63    0.30  2181.6   255.3 -432.9   57.0  20   1   160
  2    1 39721320  BOT 8x8 0.466  9.76    0.13  1605.1   895.3 -316.1  185.3  20   1   120
  3    2 39723032  BOT 8x8 0.917  8.93    0.09  1543.6  2419.0 -304.7  493.7  20   1   160
  4    3 40633496  BOT 8x8 0.895  9.18    0.09 -1915.4  -941.0  390.9 -184.9  20   1    60
  5    4 40634536  BOT 8x8 0.940  8.90    0.10  1105.4 -2239.9 -217.5 -446.0  20   1   160
  6    5 40634984  BOT 8x8 0.946  8.75    0.07   141.9 -1516.8  -23.0 -299.4  20   1   160
  7    6 40638432  BOT 8x8 0.964  8.14    0.08 -1779.3  -943.4  363.4 -185.3  20   1   160
  8    7 40642792  BOT 8x8 0.452  9.80    0.15  -906.0  1586.7  188.7  323.3  20   1   120

>> CAUTION: [1] Guide star 39717064 within 3*mag_err of 5.8 (mag_err=0.30)
>> WARNING: [2] Guide star imposter offset 4.0, limit 2.5 arcsec
>> WARNING: [4] Guide star imposter offset 2.5, limit 2.5 arcsec
>> WARNING: [8] Guide star imposter offset 3.8, limit 2.5 arcsec
>> CRITICAL: ER count of 9th (8.4 for -4.9C) mag guide stars 2.36 < 3.0

Probability of acquiring 2 or fewer stars (10^-x): 4.11
Acquisition Stars Expected: 6.56
Guide Stars count: 6.04
Predicted Guide CCD temperature (max): -7.0 (Effective : -4.9)
Predicted Acq CCD temperature (init) : -7.0 (Effective : -4.9)

ACA roll 178.74 at 2020:102:05:14:07.268

ACIS-S SIM-Z offset: 0.0
ACA RA, Dec, Roll (deg): 202.91335 3.79510 178.74471
Dither acq: Y_amp= 8.0  Z_amp=8.0
Dither gui: Y_amp= 8.0  Z_amp=8.0
Maneuver Angle: 82.39
Date: 2020:102:05:14:07.268

idx slot    id    type  sz p_acq  mag  mag_err   yang    zang   row    col   dim res halfw
--- ---- -------- ---- --- ----- ----- ------- ------- ------- ------ ------ --- --- -----
  1    0 39717064  BOT 8x8 0.981  6.63    0.30  2184.6  -227.7 -433.7  -40.2  20   1   160
  2    1 39720144  BOT 8x8 0.927  8.97    0.08  2417.1 -2419.0 -484.6 -484.4  20   1   160
  3    2 39723032  BOT 8x8 0.938  8.93    0.09  2035.0  2023.1 -404.1  414.0  20   1   160
  4    3 40633496  BOT 8x8 0.895  9.18    0.09 -2074.8  -499.6  423.1  -96.2  20   1    60
  5    4 40634536  BOT 8x8 0.939  8.90    0.10   589.1 -2427.3 -113.5 -483.9  20   1   160
  6    5 40634984  BOT 8x8 0.946  8.75    0.07  -193.1 -1511.1   44.3 -298.4  20   1   160
  7    6 40638432  BOT 8x8 0.964  8.14    0.08 -1942.4  -531.7  396.3 -102.6  20   1   160
  8    7 40641296  BOT 8x8 0.947  8.04    0.30 -2007.0  2343.8  412.5  477.8  20   1   160

>> CAUTION: [1] Guide star 39717064 within 3*mag_err of 5.8 (mag_err=0.30)
>> WARNING: [4] Guide star imposter offset 2.7, limit 2.5 arcsec

Probability of acquiring 2 or fewer stars (10^-x): 5.79
Acquisition Stars Expected: 7.54
Guide Stars count: 8.00
Predicted Guide CCD temperature (max): -7.0 (Effective : -4.9)
Predicted Acq CCD temperature (init) : -7.0 (Effective : -4.9)