Exposure
ID
SPICA.2025-08-17T12-16-22_1
Header ID
SPICA.2025-08-17T12-16-22
Date updated
2025-08-17 12:15:17 UTC+0000
Release date
None
UTC Start
2025-08-17 12:15:17.709
UTC End
2025-08-17 12:16:17.709
MJD Start
60904.5106216323
MJD End
60904.51131607673
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 26.8860 26.8926 93.7431 93.9359
S1-E1 287.9896 287.5633 56.3080 56.4180
S1-E2 235.0899 234.7854 64.4967 64.6353
S1-W1 216.3735 216.9233 131.6094 131.7552
S1-W2 162.7924 162.9649 105.6967 105.8936
S2-E1 267.1413 266.7363 52.8006 52.8978
S2-E2 212.0384 211.7427 60.9450 61.0718
S2-W1 195.8450 196.3731 136.4433 136.5721
S2-W2 136.6030 136.7693 108.0330 108.2285
E1-E2 64.6447 64.5899 -154.8890 -154.8837
E1-W1 313.2625 313.3181 -165.6130 -165.6332
E1-W2 220.0124 219.8865 -157.8660 -157.8702
E2-W1 250.0363 250.1518 -168.3705 -168.3935
E2-W2 155.4912 155.4207 -159.1032 -159.1109
W1-W2 99.7681 99.9612 -2.9064 -2.9183
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 60904.5106216323
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 26.886
HIERARCH ISS PBL12 END 26.8926
HIERARCH ISS PBLA12 START 93.7431
HIERARCH ISS PBLA12 END 93.9359
HIERARCH ISS PBL13 START 287.9896
HIERARCH ISS PBL13 END 287.5633
HIERARCH ISS PBLA13 START 56.308
HIERARCH ISS PBLA13 END 56.418
HIERARCH ISS PBL14 START 235.0899
HIERARCH ISS PBL14 END 234.7854
HIERARCH ISS PBLA14 START 64.4967
HIERARCH ISS PBLA14 END 64.6353
HIERARCH ISS PBL15 START 216.3735
HIERARCH ISS PBL15 END 216.9233
HIERARCH ISS PBLA15 START 131.6094
HIERARCH ISS PBLA15 END 131.7552
HIERARCH ISS PBL16 START 162.7924
HIERARCH ISS PBL16 END 162.9649
HIERARCH ISS PBLA16 START 105.6967
HIERARCH ISS PBLA16 END 105.8936
HIERARCH ISS PBL23 START 267.1413
HIERARCH ISS PBL23 END 266.7363
HIERARCH ISS PBLA23 START 52.8006
HIERARCH ISS PBLA23 END 52.8978
HIERARCH ISS PBL24 START 212.0384
HIERARCH ISS PBL24 END 211.7427
HIERARCH ISS PBLA24 START 60.945
HIERARCH ISS PBLA24 END 61.0718
HIERARCH ISS PBL25 START 195.845
HIERARCH ISS PBL25 END 196.3731
HIERARCH ISS PBLA25 START 136.4433
HIERARCH ISS PBLA25 END 136.5721
HIERARCH ISS PBL26 START 136.603
HIERARCH ISS PBL26 END 136.7693
HIERARCH ISS PBLA26 START 108.033
HIERARCH ISS PBLA26 END 108.2285
HIERARCH ISS PBL34 START 64.6447
HIERARCH ISS PBL34 END 64.5899
HIERARCH ISS PBLA34 START -154.889
HIERARCH ISS PBLA34 END -154.8837
HIERARCH ISS PBL35 START 313.2625
HIERARCH ISS PBL35 END 313.3181
HIERARCH ISS PBLA35 START -165.613
HIERARCH ISS PBLA35 END -165.6332
HIERARCH ISS PBL36 START 220.0124
HIERARCH ISS PBL36 END 219.8865
HIERARCH ISS PBLA36 START -157.866
HIERARCH ISS PBLA36 END -157.8702
HIERARCH ISS PBL45 START 250.0363
HIERARCH ISS PBL45 END 250.1518
HIERARCH ISS PBLA45 START -168.3705
HIERARCH ISS PBLA45 END -168.3935
HIERARCH ISS PBL46 START 155.4912
HIERARCH ISS PBL46 END 155.4207
HIERARCH ISS PBLA46 START -159.1032
HIERARCH ISS PBLA46 END -159.1109
HIERARCH ISS PBL56 START 99.7681
HIERARCH ISS PBL56 END 99.9612
HIERARCH ISS PBLA56 START -2.9064
HIERARCH ISS PBLA56 END -2.9183
HIERARCH CHARA TAU0 12.0
HIERARCH CHARA SEEING 1.1