OBSID 47326 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 = 170.36 at 2020:097:02:22:52.544   6.9 ACQ | 5.0 GUI | Critical: 2 Warning: 1 Caution: 1

Roll options (roll_min=158.24 roll_nom=171.02 roll_max=183.81 method=uniq_ids

)
roll P2 n_stars improvement roll_min roll_max add_ids drop_ids warnings
170.36 4.65 2.10 0.00 170.36 170.36 -- -- Critical: 2 Warning: 1 Caution: 1

ACA roll 170.36 at 2020:097:02:22:52.544

ACIS-S SIM-Z offset: 0.0
ACA RA, Dec, Roll (deg): 198.87707 15.60243 170.35964
Dither acq: Y_amp= 8.0  Z_amp=8.0
Dither gui: Y_amp= 8.0  Z_amp=8.0
Maneuver Angle: 32.99
Date: 2020:097:02:22:52.544

idx slot     id    type  sz p_acq  mag  mag_err   yang    zang   row    col   dim res halfw
--- ---- --------- ---- --- ----- ----- ------- ------- ------- ------ ------ --- --- -----
  1    0 116660312  BOT 8x8 0.944  8.80    0.08  -611.7  2221.4  130.0  451.8  20   1   160
  2    1 190186176  BOT 8x8 0.944  8.80    0.07   564.5  1250.8 -106.7  256.0  20   1   160
  3    2 190187104  BOT 8x8 0.955  8.50    0.07  -999.5  1942.2  207.9  395.2  20   1   160
  4    3 190187136  BOT 8x8 0.628  9.92    0.14  2328.3 -2384.3 -466.3 -477.1  20   1    60
  5    4 190190544  BOT 8x8 0.934  9.00    0.08  1453.0 -1018.0 -286.2 -199.1  20   1   160
  6    5 190194096  BOT 8x8 0.981  7.38    0.10  1871.0  1355.0 -370.1  278.3  20   1   160
  7    6 190190376  ACQ 8x8 0.902  9.46    0.12 -1545.0   905.4  316.7  186.2  20   1    80
  8    7 190191008  ACQ 8x8 0.574 10.03    0.15   924.8 -2453.1 -181.3 -489.3  20   1    60

>> WARNING: [4] Guide star imposter offset 3.5, limit 2.5 arcsec
>> CRITICAL: ER count of 9th (8.4 for -4.9C) mag guide stars 2.10 < 3.0
>> CRITICAL: ER count of guide stars 5.00 < 6.0
>> CAUTION: ER with 6 guides but 8 were requested

Probability of acquiring 2 or fewer stars (10^-x): 4.65
Acquisition Stars Expected: 6.86
Guide Stars count: 5.00
Predicted Guide CCD temperature (max): -7.0 (Effective : -4.9)
Predicted Acq CCD temperature (init) : -7.0 (Effective : -4.9)