Exposure
ID
SPICA.2025-08-17T12-07-11_1
Header ID
SPICA.2025-08-17T12-07-11
Date updated
2025-08-17 12:06:06 UTC+0000
Release date
None
UTC Start
2025-08-17 12:06:06.106
UTC End
2025-08-17 12:07:06.106
MJD Start
60904.5042373395
MJD End
60904.50493178393
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 26.8431 26.8469 92.0993 92.2933
S1-E1 291.5769 291.1581 55.4113 55.5134
S1-E2 237.6966 237.3881 63.3549 63.4860
S1-W1 211.6846 212.2377 130.3128 130.4709
S1-W2 161.4034 161.5597 103.9939 104.1971
S2-E1 270.5272 270.1340 52.0126 52.1019
S2-E2 214.5499 214.2546 59.9055 60.0244
S2-W1 191.3156 191.8524 135.2919 135.4329
S2-W2 135.2499 135.4034 106.3383 106.5410
E1-E2 65.0628 65.0180 -154.9127 -154.9118
E1-W1 312.5263 312.6375 -165.4289 -165.4518
E1-W2 220.9119 220.8219 -157.8120 -157.8200
E2-W1 248.8399 249.0007 -168.1642 -168.1895
E2-W2 155.9672 155.9225 -159.0210 -159.0322
W1-W2 98.0387 98.2505 -2.8071 -2.8186
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 60904.5042373395
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 26.8431
HIERARCH ISS PBL12 END 26.8469
HIERARCH ISS PBLA12 START 92.0993
HIERARCH ISS PBLA12 END 92.2933
HIERARCH ISS PBL13 START 291.5769
HIERARCH ISS PBL13 END 291.1581
HIERARCH ISS PBLA13 START 55.4113
HIERARCH ISS PBLA13 END 55.5134
HIERARCH ISS PBL14 START 237.6966
HIERARCH ISS PBL14 END 237.3881
HIERARCH ISS PBLA14 START 63.3549
HIERARCH ISS PBLA14 END 63.486
HIERARCH ISS PBL15 START 211.6846
HIERARCH ISS PBL15 END 212.2377
HIERARCH ISS PBLA15 START 130.3128
HIERARCH ISS PBLA15 END 130.4709
HIERARCH ISS PBL16 START 161.4034
HIERARCH ISS PBL16 END 161.5597
HIERARCH ISS PBLA16 START 103.9939
HIERARCH ISS PBLA16 END 104.1971
HIERARCH ISS PBL23 START 270.5272
HIERARCH ISS PBL23 END 270.134
HIERARCH ISS PBLA23 START 52.0126
HIERARCH ISS PBLA23 END 52.1019
HIERARCH ISS PBL24 START 214.5499
HIERARCH ISS PBL24 END 214.2546
HIERARCH ISS PBLA24 START 59.9055
HIERARCH ISS PBLA24 END 60.0244
HIERARCH ISS PBL25 START 191.3156
HIERARCH ISS PBL25 END 191.8524
HIERARCH ISS PBLA25 START 135.2919
HIERARCH ISS PBLA25 END 135.4329
HIERARCH ISS PBL26 START 135.2499
HIERARCH ISS PBL26 END 135.4034
HIERARCH ISS PBLA26 START 106.3383
HIERARCH ISS PBLA26 END 106.541
HIERARCH ISS PBL34 START 65.0628
HIERARCH ISS PBL34 END 65.018
HIERARCH ISS PBLA34 START -154.9127
HIERARCH ISS PBLA34 END -154.9118
HIERARCH ISS PBL35 START 312.5263
HIERARCH ISS PBL35 END 312.6375
HIERARCH ISS PBLA35 START -165.4289
HIERARCH ISS PBLA35 END -165.4518
HIERARCH ISS PBL36 START 220.9119
HIERARCH ISS PBL36 END 220.8219
HIERARCH ISS PBLA36 START -157.812
HIERARCH ISS PBLA36 END -157.82
HIERARCH ISS PBL45 START 248.8399
HIERARCH ISS PBL45 END 249.0007
HIERARCH ISS PBLA45 START -168.1642
HIERARCH ISS PBLA45 END -168.1895
HIERARCH ISS PBL46 START 155.9672
HIERARCH ISS PBL46 END 155.9225
HIERARCH ISS PBLA46 START -159.021
HIERARCH ISS PBLA46 END -159.0322
HIERARCH ISS PBL56 START 98.0387
HIERARCH ISS PBL56 END 98.2505
HIERARCH ISS PBLA56 START -2.8071
HIERARCH ISS PBLA56 END -2.8186
HIERARCH CHARA TAU0 12.0
HIERARCH CHARA SEEING 1.1