Exposure
ID
SPICA.2025-08-20T06-16-43_1
Header ID
SPICA.2025-08-20T06-16-43
Date updated
2025-08-20 06:15:38 UTC+0000
Release date
None
UTC Start
2025-08-20 06:15:38.638
UTC End
2025-08-20 06:16:38.638
MJD Start
60907.2608638626
MJD End
60907.26155830703
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
70055
Category
calibrator
Program ID
ENG
Program Title
TBD
Program Type
Normal
PI / COI
spica
Target
ID
51978
Name
HD_198431
RA
312.6741
DEC
-12.5449
Instrument
Interferometer
CHARA
Instrument
SPICA
Instrument mode
LR
Stations
S1S2E1E2W1W2
Projected baselines
Baseline Length start Length end Angle start Angle end
S1-S2 23.5507 23.5663 97.7607 97.9760
S1-E1 256.5741 256.0165 54.6713 54.7886
S1-E2 206.1803 205.7990 63.8687 64.0267
S1-W1 206.2098 206.8617 138.9701 139.0682
S1-W2 145.1319 145.3921 111.4851 111.6855
S2-E1 239.9153 239.3778 50.8262 50.9253
S2-E2 187.0925 186.7144 59.8436 59.9848
S2-W1 189.1299 189.7342 143.6757 143.7510
S2-W2 122.3812 122.6244 114.1019 114.2961
E1-E2 62.4481 62.3582 -157.1802 -157.2044
E1-W1 312.7952 312.6959 -166.3233 -166.3778
E1-W2 214.7771 214.5345 -159.7670 -159.8020
E2-W1 251.3364 251.3319 -168.5860 -168.6447
E2-W2 152.4187 152.2666 -160.8265 -160.8656
W1-W2 102.4024 102.5588 -0.1790 -0.2376
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 60907.2608638626
PI-COI spica
HIERARCH OBS TARG NAME HD_198431
HIERARCH OBS RA 312.6741
HIERARCH OBS DEC -12.5449
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 23.5507
HIERARCH ISS PBL12 END 23.5663
HIERARCH ISS PBLA12 START 97.7607
HIERARCH ISS PBLA12 END 97.976
HIERARCH ISS PBL13 START 256.5741
HIERARCH ISS PBL13 END 256.0165
HIERARCH ISS PBLA13 START 54.6713
HIERARCH ISS PBLA13 END 54.7886
HIERARCH ISS PBL14 START 206.1803
HIERARCH ISS PBL14 END 205.799
HIERARCH ISS PBLA14 START 63.8687
HIERARCH ISS PBLA14 END 64.0267
HIERARCH ISS PBL15 START 206.2098
HIERARCH ISS PBL15 END 206.8617
HIERARCH ISS PBLA15 START 138.9701
HIERARCH ISS PBLA15 END 139.0682
HIERARCH ISS PBL16 START 145.1319
HIERARCH ISS PBL16 END 145.3921
HIERARCH ISS PBLA16 START 111.4851
HIERARCH ISS PBLA16 END 111.6855
HIERARCH ISS PBL23 START 239.9153
HIERARCH ISS PBL23 END 239.3778
HIERARCH ISS PBLA23 START 50.8262
HIERARCH ISS PBLA23 END 50.9253
HIERARCH ISS PBL24 START 187.0925
HIERARCH ISS PBL24 END 186.7144
HIERARCH ISS PBLA24 START 59.8436
HIERARCH ISS PBLA24 END 59.9848
HIERARCH ISS PBL25 START 189.1299
HIERARCH ISS PBL25 END 189.7342
HIERARCH ISS PBLA25 START 143.6757
HIERARCH ISS PBLA25 END 143.751
HIERARCH ISS PBL26 START 122.3812
HIERARCH ISS PBL26 END 122.6244
HIERARCH ISS PBLA26 START 114.1019
HIERARCH ISS PBLA26 END 114.2961
HIERARCH ISS PBL34 START 62.4481
HIERARCH ISS PBL34 END 62.3582
HIERARCH ISS PBLA34 START -157.1802
HIERARCH ISS PBLA34 END -157.2044
HIERARCH ISS PBL35 START 312.7952
HIERARCH ISS PBL35 END 312.6959
HIERARCH ISS PBLA35 START -166.3233
HIERARCH ISS PBLA35 END -166.3778
HIERARCH ISS PBL36 START 214.7771
HIERARCH ISS PBL36 END 214.5345
HIERARCH ISS PBLA36 START -159.767
HIERARCH ISS PBLA36 END -159.802
HIERARCH ISS PBL45 START 251.3364
HIERARCH ISS PBL45 END 251.3319
HIERARCH ISS PBLA45 START -168.586
HIERARCH ISS PBLA45 END -168.6447
HIERARCH ISS PBL46 START 152.4187
HIERARCH ISS PBL46 END 152.2666
HIERARCH ISS PBLA46 START -160.8265
HIERARCH ISS PBLA46 END -160.8656
HIERARCH ISS PBL56 START 102.4024
HIERARCH ISS PBL56 END 102.5588
HIERARCH ISS PBLA56 START -0.179
HIERARCH ISS PBLA56 END -0.2376
HIERARCH CHARA TAU0 12.0
HIERARCH CHARA SEEING 1.1