Exposure
ID
SPICA.2025-08-17T12-10-29_1
Header ID
SPICA.2025-08-17T12-10-29
Date updated
2025-08-17 12:09:24 UTC+0000
Release date
None
UTC Start
2025-08-17 12:09:24.457
UTC End
2025-08-17 12:10:24.457
MJD Start
60904.5065330617
MJD End
60904.50722750613
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 26.8558 26.8606 92.6915 92.8852
S1-E1 290.2944 289.8727 55.7260 55.8309
S1-E2 236.7556 236.4483 63.7582 63.8920
S1-W1 213.3735 213.9258 130.7912 130.9449
S1-W2 161.8869 162.0491 104.6123 104.8133
S2-E1 269.3213 268.9237 52.2883 52.3805
S2-E2 213.6473 213.3516 60.2717 60.3935
S2-W1 192.9525 193.4865 135.7179 135.8544
S2-W2 135.7237 135.8820 106.9548 107.1549
E1-E2 64.9223 64.8739 -154.9084 -154.9060
E1-W1 312.8454 312.9366 -165.4978 -165.5196
E1-W2 220.6236 220.5206 -157.8351 -157.8418
E2-W1 249.3144 249.4589 -168.2406 -168.2651
E2-W2 155.8212 155.7673 -159.0541 -159.0641
W1-W2 98.6789 98.8840 -2.8424 -2.8540
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 60904.5065330617
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 26.8558
HIERARCH ISS PBL12 END 26.8606
HIERARCH ISS PBLA12 START 92.6915
HIERARCH ISS PBLA12 END 92.8852
HIERARCH ISS PBL13 START 290.2944
HIERARCH ISS PBL13 END 289.8727
HIERARCH ISS PBLA13 START 55.726
HIERARCH ISS PBLA13 END 55.8309
HIERARCH ISS PBL14 START 236.7556
HIERARCH ISS PBL14 END 236.4483
HIERARCH ISS PBLA14 START 63.7582
HIERARCH ISS PBLA14 END 63.892
HIERARCH ISS PBL15 START 213.3735
HIERARCH ISS PBL15 END 213.9258
HIERARCH ISS PBLA15 START 130.7912
HIERARCH ISS PBLA15 END 130.9449
HIERARCH ISS PBL16 START 161.8869
HIERARCH ISS PBL16 END 162.0491
HIERARCH ISS PBLA16 START 104.6123
HIERARCH ISS PBLA16 END 104.8133
HIERARCH ISS PBL23 START 269.3213
HIERARCH ISS PBL23 END 268.9237
HIERARCH ISS PBLA23 START 52.2883
HIERARCH ISS PBLA23 END 52.3805
HIERARCH ISS PBL24 START 213.6473
HIERARCH ISS PBL24 END 213.3516
HIERARCH ISS PBLA24 START 60.2717
HIERARCH ISS PBLA24 END 60.3935
HIERARCH ISS PBL25 START 192.9525
HIERARCH ISS PBL25 END 193.4865
HIERARCH ISS PBLA25 START 135.7179
HIERARCH ISS PBLA25 END 135.8544
HIERARCH ISS PBL26 START 135.7237
HIERARCH ISS PBL26 END 135.882
HIERARCH ISS PBLA26 START 106.9548
HIERARCH ISS PBLA26 END 107.1549
HIERARCH ISS PBL34 START 64.9223
HIERARCH ISS PBL34 END 64.8739
HIERARCH ISS PBLA34 START -154.9084
HIERARCH ISS PBLA34 END -154.906
HIERARCH ISS PBL35 START 312.8454
HIERARCH ISS PBL35 END 312.9366
HIERARCH ISS PBLA35 START -165.4978
HIERARCH ISS PBLA35 END -165.5196
HIERARCH ISS PBL36 START 220.6236
HIERARCH ISS PBL36 END 220.5206
HIERARCH ISS PBLA36 START -157.8351
HIERARCH ISS PBLA36 END -157.8418
HIERARCH ISS PBL45 START 249.3144
HIERARCH ISS PBL45 END 249.4589
HIERARCH ISS PBLA45 START -168.2406
HIERARCH ISS PBLA45 END -168.2651
HIERARCH ISS PBL46 START 155.8212
HIERARCH ISS PBL46 END 155.7673
HIERARCH ISS PBLA46 START -159.0541
HIERARCH ISS PBLA46 END -159.0641
HIERARCH ISS PBL56 START 98.6789
HIERARCH ISS PBL56 END 98.884
HIERARCH ISS PBLA56 START -2.8424
HIERARCH ISS PBLA56 END -2.854
HIERARCH CHARA TAU0 12.0
HIERARCH CHARA SEEING 1.1