Exposure
ID
SPICA.2025-08-21T04-46-03_1
Header ID
SPICA.2025-08-21T04-46-03
Date updated
2025-08-21 04:44:58 UTC+0000
Release date
None
UTC Start
2025-08-21 04:44:58.473
UTC End
2025-08-21 04:45:58.473
MJD Start
60908.1978989895
MJD End
60908.19859343393
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
70053
Category
calibrator
Program ID
ENG
Program Title
TBD
Program Type
Normal
PI / COI
spica
Target
ID
51976
Name
HD_184915
RA
294.2227
DEC
-7.027477
Instrument
Interferometer
CHARA
Instrument
SPICA
Instrument mode
LR
Stations
S1S2E1E2W1W2
Projected baselines
Baseline Length start Length end Angle start Angle end
S1-S2 25.6617 25.6704 94.6607 94.8619
S1-E1 278.1673 277.6922 55.5875 55.6976
S1-E2 225.7541 225.4179 64.0276 64.1702
S1-W1 210.8710 211.4645 134.0048 134.1379
S1-W2 155.7925 155.9916 107.2384 107.4396
S2-E1 258.7511 258.2982 52.0035 52.0991
S2-E2 204.0928 203.7649 60.3543 60.4834
S2-W1 191.7170 192.2809 138.8727 138.9861
S2-W2 130.8661 131.0565 109.6858 109.8843
E1-E2 64.0885 64.0227 -155.5449 -155.5514
E1-W1 313.5105 313.5216 -165.6297 -165.6634
E1-W2 218.7971 218.6355 -158.3588 -158.3752
E2-W1 250.6635 250.7454 -168.1957 -168.2328
E2-W2 154.8178 154.7226 -159.5232 -159.5432
W1-W2 100.3683 100.5536 -1.6451 -1.6752
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 60908.1978989895
PI-COI spica
HIERARCH OBS TARG NAME HD_184915
HIERARCH OBS RA 294.2227
HIERARCH OBS DEC -7.027477
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 25.6617
HIERARCH ISS PBL12 END 25.6704
HIERARCH ISS PBLA12 START 94.6607
HIERARCH ISS PBLA12 END 94.8619
HIERARCH ISS PBL13 START 278.1673
HIERARCH ISS PBL13 END 277.6922
HIERARCH ISS PBLA13 START 55.5875
HIERARCH ISS PBLA13 END 55.6976
HIERARCH ISS PBL14 START 225.7541
HIERARCH ISS PBL14 END 225.4179
HIERARCH ISS PBLA14 START 64.0276
HIERARCH ISS PBLA14 END 64.1702
HIERARCH ISS PBL15 START 210.871
HIERARCH ISS PBL15 END 211.4645
HIERARCH ISS PBLA15 START 134.0048
HIERARCH ISS PBLA15 END 134.1379
HIERARCH ISS PBL16 START 155.7925
HIERARCH ISS PBL16 END 155.9916
HIERARCH ISS PBLA16 START 107.2384
HIERARCH ISS PBLA16 END 107.4396
HIERARCH ISS PBL23 START 258.7511
HIERARCH ISS PBL23 END 258.2982
HIERARCH ISS PBLA23 START 52.0035
HIERARCH ISS PBLA23 END 52.0991
HIERARCH ISS PBL24 START 204.0928
HIERARCH ISS PBL24 END 203.7649
HIERARCH ISS PBLA24 START 60.3543
HIERARCH ISS PBLA24 END 60.4834
HIERARCH ISS PBL25 START 191.717
HIERARCH ISS PBL25 END 192.2809
HIERARCH ISS PBLA25 START 138.8727
HIERARCH ISS PBLA25 END 138.9861
HIERARCH ISS PBL26 START 130.8661
HIERARCH ISS PBL26 END 131.0565
HIERARCH ISS PBLA26 START 109.6858
HIERARCH ISS PBLA26 END 109.8843
HIERARCH ISS PBL34 START 64.0885
HIERARCH ISS PBL34 END 64.0227
HIERARCH ISS PBLA34 START -155.5449
HIERARCH ISS PBLA34 END -155.5514
HIERARCH ISS PBL35 START 313.5105
HIERARCH ISS PBL35 END 313.5216
HIERARCH ISS PBLA35 START -165.6297
HIERARCH ISS PBLA35 END -165.6634
HIERARCH ISS PBL36 START 218.7971
HIERARCH ISS PBL36 END 218.6355
HIERARCH ISS PBLA36 START -158.3588
HIERARCH ISS PBLA36 END -158.3752
HIERARCH ISS PBL45 START 250.6635
HIERARCH ISS PBL45 END 250.7454
HIERARCH ISS PBLA45 START -168.1957
HIERARCH ISS PBLA45 END -168.2328
HIERARCH ISS PBL46 START 154.8178
HIERARCH ISS PBL46 END 154.7226
HIERARCH ISS PBLA46 START -159.5232
HIERARCH ISS PBLA46 END -159.5432
HIERARCH ISS PBL56 START 100.3683
HIERARCH ISS PBL56 END 100.5536
HIERARCH ISS PBLA56 START -1.6451
HIERARCH ISS PBLA56 END -1.6752
HIERARCH CHARA TAU0 12.0
HIERARCH CHARA SEEING 1.1