Exposure
ID
SPICA.2025-08-17T12-06-05_1
Header ID
SPICA.2025-08-17T12-06-05
Date updated
2025-08-17 12:04:59 UTC+0000
Release date
None
UTC Start
2025-08-17 12:04:59.001
UTC End
2025-08-17 12:05:59.001
MJD Start
60904.5034606631
MJD End
60904.504155107534
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 26.8396 26.8431 91.9017 92.0958
S1-E1 292.0022 291.5844 55.3083 55.4094
S1-E2 238.0109 237.7021 63.2223 63.3526
S1-W1 211.1213 211.6746 130.1502 130.3099
S1-W2 161.2465 161.4007 103.7863 103.9902
S2-E1 270.9260 270.5343 51.9226 52.0110
S2-E2 214.8505 214.5553 59.7853 59.9034
S2-W1 190.7682 191.3059 135.1469 135.2894
S2-W2 135.0953 135.2472 106.1312 106.3347
E1-E2 65.1071 65.0635 -154.9131 -154.9127
E1-W1 312.4064 312.5242 -165.4053 -165.4285
E1-W2 220.9992 220.9135 -157.8033 -157.8118
E2-W1 248.6708 248.8370 -168.1381 -168.1637
E2-W2 156.0095 155.9679 -159.0091 -159.0208
W1-W2 97.8208 98.0349 -2.7955 -2.8069
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 60904.5034606631
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 26.8396
HIERARCH ISS PBL12 END 26.8431
HIERARCH ISS PBLA12 START 91.9017
HIERARCH ISS PBLA12 END 92.0958
HIERARCH ISS PBL13 START 292.0022
HIERARCH ISS PBL13 END 291.5844
HIERARCH ISS PBLA13 START 55.3083
HIERARCH ISS PBLA13 END 55.4094
HIERARCH ISS PBL14 START 238.0109
HIERARCH ISS PBL14 END 237.7021
HIERARCH ISS PBLA14 START 63.2223
HIERARCH ISS PBLA14 END 63.3526
HIERARCH ISS PBL15 START 211.1213
HIERARCH ISS PBL15 END 211.6746
HIERARCH ISS PBLA15 START 130.1502
HIERARCH ISS PBLA15 END 130.3099
HIERARCH ISS PBL16 START 161.2465
HIERARCH ISS PBL16 END 161.4007
HIERARCH ISS PBLA16 START 103.7863
HIERARCH ISS PBLA16 END 103.9902
HIERARCH ISS PBL23 START 270.926
HIERARCH ISS PBL23 END 270.5343
HIERARCH ISS PBLA23 START 51.9226
HIERARCH ISS PBLA23 END 52.011
HIERARCH ISS PBL24 START 214.8505
HIERARCH ISS PBL24 END 214.5553
HIERARCH ISS PBLA24 START 59.7853
HIERARCH ISS PBLA24 END 59.9034
HIERARCH ISS PBL25 START 190.7682
HIERARCH ISS PBL25 END 191.3059
HIERARCH ISS PBLA25 START 135.1469
HIERARCH ISS PBLA25 END 135.2894
HIERARCH ISS PBL26 START 135.0953
HIERARCH ISS PBL26 END 135.2472
HIERARCH ISS PBLA26 START 106.1312
HIERARCH ISS PBLA26 END 106.3347
HIERARCH ISS PBL34 START 65.1071
HIERARCH ISS PBL34 END 65.0635
HIERARCH ISS PBLA34 START -154.9131
HIERARCH ISS PBLA34 END -154.9127
HIERARCH ISS PBL35 START 312.4064
HIERARCH ISS PBL35 END 312.5242
HIERARCH ISS PBLA35 START -165.4053
HIERARCH ISS PBLA35 END -165.4285
HIERARCH ISS PBL36 START 220.9992
HIERARCH ISS PBL36 END 220.9135
HIERARCH ISS PBLA36 START -157.8033
HIERARCH ISS PBLA36 END -157.8118
HIERARCH ISS PBL45 START 248.6708
HIERARCH ISS PBL45 END 248.837
HIERARCH ISS PBLA45 START -168.1381
HIERARCH ISS PBLA45 END -168.1637
HIERARCH ISS PBL46 START 156.0095
HIERARCH ISS PBL46 END 155.9679
HIERARCH ISS PBLA46 START -159.0091
HIERARCH ISS PBLA46 END -159.0208
HIERARCH ISS PBL56 START 97.8208
HIERARCH ISS PBL56 END 98.0349
HIERARCH ISS PBLA56 START -2.7955
HIERARCH ISS PBLA56 END -2.8069
HIERARCH CHARA TAU0 12.0
HIERARCH CHARA SEEING 1.1