Exposure
ID
SPICA.2025-08-17T12-17-28_1
Header ID
SPICA.2025-08-17T12-17-28
Date updated
2025-08-17 12:16:23 UTC+0000
Release date
None
UTC Start
2025-08-17 12:16:23.812
UTC End
2025-08-17 12:17:23.812
MJD Start
60904.5113867148
MJD End
60904.512081159235
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
12.0
Ambient temperature (°C)
-1.234
Seeing (arcsec)
1.1
Observation
ID
70046
Category
calibrator
Program ID
ENG
Program Title
TBD
Program Type
Normal
PI / COI
spica
Target
ID
51970
Name
HD_18331
RA
44.15593
DEC
-3.712319
Instrument
Interferometer
CHARA
Instrument
SPICA
Instrument mode
LR
Stations
S1S2E1E2W1W2
Projected baselines
Baseline Length start Length end Angle start Angle end
S1-S2 26.8928 26.8997 93.9394 94.1320
S1-E1 287.5556 287.1286 56.4200 56.5310
S1-E2 234.7799 234.4761 64.6378 64.7773
S1-W1 216.9332 217.4825 131.7578 131.9021
S1-W2 162.9680 163.1423 105.8972 106.0933
S2-E1 266.7290 266.3228 52.8995 52.9977
S2-E2 211.7374 211.4418 61.0741 61.2017
S2-W1 196.3826 196.9095 136.5744 136.7018
S2-W2 136.7723 136.9402 108.2320 108.4265
E1-E2 64.5889 64.5329 -154.8836 -154.8779
E1-W1 313.3190 313.3679 -165.6335 -165.6534
E1-W2 219.8842 219.7540 -157.8703 -157.8740
E2-W1 250.1538 250.2639 -168.3939 -168.4167
E2-W2 155.4194 155.3459 -159.1110 -159.1182
W1-W2 99.9646 100.1555 -2.9185 -2.9305
Invalid fields
Key
PROGRAM_ID
Header: validation messages
Message
No value for 'HIERARCH OBS PROG ID'
Header: used keywords
Key Value
HIERARCH OBS PROG ID
HIERARCH DPR CATG CALIB
HIERARCH DPR TYPE STD
MJD-OBS 60904.5113867148
PI-COI spica
HIERARCH OBS TARG NAME HD_18331
HIERARCH OBS RA 44.15593
HIERARCH OBS DEC -3.712319
HIERARCH INS RESOL LOW
HIERARCH INS CENTRAL WL 720.0
HIERARCH CHARA BASELINE S1S2E1E2W1W2
HIERARCH DET DIT 0.0199999995529652
HIERARCH DET NDIT 3000
HIERARCH CHARA NB TEL 6
HIERARCH CHARA T1NAME S1
HIERARCH CHARA T2NAME S2
HIERARCH CHARA T3NAME E1
HIERARCH CHARA T4NAME E2
HIERARCH CHARA T5NAME W1
HIERARCH CHARA T6NAME W2
HIERARCH ISS PBL12 START 26.8928
HIERARCH ISS PBL12 END 26.8997
HIERARCH ISS PBLA12 START 93.9394
HIERARCH ISS PBLA12 END 94.132
HIERARCH ISS PBL13 START 287.5556
HIERARCH ISS PBL13 END 287.1286
HIERARCH ISS PBLA13 START 56.42
HIERARCH ISS PBLA13 END 56.531
HIERARCH ISS PBL14 START 234.7799
HIERARCH ISS PBL14 END 234.4761
HIERARCH ISS PBLA14 START 64.6378
HIERARCH ISS PBLA14 END 64.7773
HIERARCH ISS PBL15 START 216.9332
HIERARCH ISS PBL15 END 217.4825
HIERARCH ISS PBLA15 START 131.7578
HIERARCH ISS PBLA15 END 131.9021
HIERARCH ISS PBL16 START 162.968
HIERARCH ISS PBL16 END 163.1423
HIERARCH ISS PBLA16 START 105.8972
HIERARCH ISS PBLA16 END 106.0933
HIERARCH ISS PBL23 START 266.729
HIERARCH ISS PBL23 END 266.3228
HIERARCH ISS PBLA23 START 52.8995
HIERARCH ISS PBLA23 END 52.9977
HIERARCH ISS PBL24 START 211.7374
HIERARCH ISS PBL24 END 211.4418
HIERARCH ISS PBLA24 START 61.0741
HIERARCH ISS PBLA24 END 61.2017
HIERARCH ISS PBL25 START 196.3826
HIERARCH ISS PBL25 END 196.9095
HIERARCH ISS PBLA25 START 136.5744
HIERARCH ISS PBLA25 END 136.7018
HIERARCH ISS PBL26 START 136.7723
HIERARCH ISS PBL26 END 136.9402
HIERARCH ISS PBLA26 START 108.232
HIERARCH ISS PBLA26 END 108.4265
HIERARCH ISS PBL34 START 64.5889
HIERARCH ISS PBL34 END 64.5329
HIERARCH ISS PBLA34 START -154.8836
HIERARCH ISS PBLA34 END -154.8779
HIERARCH ISS PBL35 START 313.319
HIERARCH ISS PBL35 END 313.3679
HIERARCH ISS PBLA35 START -165.6335
HIERARCH ISS PBLA35 END -165.6534
HIERARCH ISS PBL36 START 219.8842
HIERARCH ISS PBL36 END 219.754
HIERARCH ISS PBLA36 START -157.8703
HIERARCH ISS PBLA36 END -157.874
HIERARCH ISS PBL45 START 250.1538
HIERARCH ISS PBL45 END 250.2639
HIERARCH ISS PBLA45 START -168.3939
HIERARCH ISS PBLA45 END -168.4167
HIERARCH ISS PBL46 START 155.4194
HIERARCH ISS PBL46 END 155.3459
HIERARCH ISS PBLA46 START -159.111
HIERARCH ISS PBLA46 END -159.1182
HIERARCH ISS PBL56 START 99.9646
HIERARCH ISS PBL56 END 100.1555
HIERARCH ISS PBLA56 START -2.9185
HIERARCH ISS PBLA56 END -2.9305
HIERARCH CHARA TAU0 12.0
HIERARCH CHARA SEEING 1.1