Exposure
ID
SPICA.2025-08-17T12-15-16_1
Header ID
SPICA.2025-08-17T12-15-16
Date updated
2025-08-17 12:14:11 UTC+0000
Release date
None
UTC Start
2025-08-17 12:14:11.586
UTC End
2025-08-17 12:15:11.586
MJD Start
60904.5098563141
MJD End
60904.51055075853
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 26.8796 26.8859 93.5467 93.7396
S1-E1 288.4229 287.9974 56.1970 56.3060
S1-E2 235.4006 235.0955 64.3565 64.4942
S1-W1 215.8129 216.3634 131.4595 131.6067
S1-W2 162.6187 162.7893 105.4954 105.6931
S2-E1 267.5524 267.1487 52.7026 52.7988
S2-E2 212.3395 212.0438 60.8169 60.9427
S2-W1 195.3060 195.8353 136.3107 136.4409
S2-W2 136.4350 136.5999 107.8331 108.0294
E1-E2 64.6994 64.6457 -154.8938 -154.8891
E1-W1 313.1991 313.2614 -165.5921 -165.6126
E1-W2 220.1363 220.0147 -157.8612 -157.8659
E2-W1 249.9132 250.0341 -168.3468 -168.3701
E2-W2 155.5598 155.4924 -159.0950 -159.1031
W1-W2 99.5692 99.7646 -2.8943 -2.9061
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 60904.5098563141
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 26.8796
HIERARCH ISS PBL12 END 26.8859
HIERARCH ISS PBLA12 START 93.5467
HIERARCH ISS PBLA12 END 93.7396
HIERARCH ISS PBL13 START 288.4229
HIERARCH ISS PBL13 END 287.9974
HIERARCH ISS PBLA13 START 56.197
HIERARCH ISS PBLA13 END 56.306
HIERARCH ISS PBL14 START 235.4006
HIERARCH ISS PBL14 END 235.0955
HIERARCH ISS PBLA14 START 64.3565
HIERARCH ISS PBLA14 END 64.4942
HIERARCH ISS PBL15 START 215.8129
HIERARCH ISS PBL15 END 216.3634
HIERARCH ISS PBLA15 START 131.4595
HIERARCH ISS PBLA15 END 131.6067
HIERARCH ISS PBL16 START 162.6187
HIERARCH ISS PBL16 END 162.7893
HIERARCH ISS PBLA16 START 105.4954
HIERARCH ISS PBLA16 END 105.6931
HIERARCH ISS PBL23 START 267.5524
HIERARCH ISS PBL23 END 267.1487
HIERARCH ISS PBLA23 START 52.7026
HIERARCH ISS PBLA23 END 52.7988
HIERARCH ISS PBL24 START 212.3395
HIERARCH ISS PBL24 END 212.0438
HIERARCH ISS PBLA24 START 60.8169
HIERARCH ISS PBLA24 END 60.9427
HIERARCH ISS PBL25 START 195.306
HIERARCH ISS PBL25 END 195.8353
HIERARCH ISS PBLA25 START 136.3107
HIERARCH ISS PBLA25 END 136.4409
HIERARCH ISS PBL26 START 136.435
HIERARCH ISS PBL26 END 136.5999
HIERARCH ISS PBLA26 START 107.8331
HIERARCH ISS PBLA26 END 108.0294
HIERARCH ISS PBL34 START 64.6994
HIERARCH ISS PBL34 END 64.6457
HIERARCH ISS PBLA34 START -154.8938
HIERARCH ISS PBLA34 END -154.8891
HIERARCH ISS PBL35 START 313.1991
HIERARCH ISS PBL35 END 313.2614
HIERARCH ISS PBLA35 START -165.5921
HIERARCH ISS PBLA35 END -165.6126
HIERARCH ISS PBL36 START 220.1363
HIERARCH ISS PBL36 END 220.0147
HIERARCH ISS PBLA36 START -157.8612
HIERARCH ISS PBLA36 END -157.8659
HIERARCH ISS PBL45 START 249.9132
HIERARCH ISS PBL45 END 250.0341
HIERARCH ISS PBLA45 START -168.3468
HIERARCH ISS PBLA45 END -168.3701
HIERARCH ISS PBL46 START 155.5598
HIERARCH ISS PBL46 END 155.4924
HIERARCH ISS PBLA46 START -159.095
HIERARCH ISS PBLA46 END -159.1031
HIERARCH ISS PBL56 START 99.5692
HIERARCH ISS PBL56 END 99.7646
HIERARCH ISS PBLA56 START -2.8943
HIERARCH ISS PBLA56 END -2.9061
HIERARCH CHARA TAU0 12.0
HIERARCH CHARA SEEING 1.1