Exposure
ID
SPICA.2025-08-17T12-13-04_1
Header ID
SPICA.2025-08-17T12-13-04
Date updated
2025-08-17 12:11:59 UTC+0000
Release date
None
UTC Start
2025-08-17 12:11:59.379
UTC End
2025-08-17 12:12:59.379
MJD Start
60904.5083261419
MJD End
60904.50902058633
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 26.8678 26.8734 93.1533 93.3466
S1-E1 289.2867 288.8629 55.9779 56.0850
S1-E2 236.0233 235.7172 64.0789 64.2148
S1-W1 214.6907 215.2421 131.1553 131.3055
S1-W2 162.2771 162.4439 105.0906 105.2898
S2-E1 268.3702 267.9692 52.5096 52.6040
S2-E2 212.9417 212.6460 60.5637 60.6876
S2-W1 194.2249 194.7564 136.0412 136.1743
S2-W2 136.1038 136.2657 107.4308 107.6288
E1-E2 64.8049 64.7537 -154.9017 -154.8981
E1-W1 313.0522 313.1277 -165.5494 -165.5706
E1-W2 220.3710 220.2579 -157.8503 -157.8559
E2-W1 249.6504 249.7822 -168.2986 -168.3224
E2-W2 155.6875 155.6264 -159.0772 -159.0861
W1-W2 99.1646 99.3645 -2.8703 -2.8820
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 60904.5083261419
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 26.8678
HIERARCH ISS PBL12 END 26.8734
HIERARCH ISS PBLA12 START 93.1533
HIERARCH ISS PBLA12 END 93.3466
HIERARCH ISS PBL13 START 289.2867
HIERARCH ISS PBL13 END 288.8629
HIERARCH ISS PBLA13 START 55.9779
HIERARCH ISS PBLA13 END 56.085
HIERARCH ISS PBL14 START 236.0233
HIERARCH ISS PBL14 END 235.7172
HIERARCH ISS PBLA14 START 64.0789
HIERARCH ISS PBLA14 END 64.2148
HIERARCH ISS PBL15 START 214.6907
HIERARCH ISS PBL15 END 215.2421
HIERARCH ISS PBLA15 START 131.1553
HIERARCH ISS PBLA15 END 131.3055
HIERARCH ISS PBL16 START 162.2771
HIERARCH ISS PBL16 END 162.4439
HIERARCH ISS PBLA16 START 105.0906
HIERARCH ISS PBLA16 END 105.2898
HIERARCH ISS PBL23 START 268.3702
HIERARCH ISS PBL23 END 267.9692
HIERARCH ISS PBLA23 START 52.5096
HIERARCH ISS PBLA23 END 52.604
HIERARCH ISS PBL24 START 212.9417
HIERARCH ISS PBL24 END 212.646
HIERARCH ISS PBLA24 START 60.5637
HIERARCH ISS PBLA24 END 60.6876
HIERARCH ISS PBL25 START 194.2249
HIERARCH ISS PBL25 END 194.7564
HIERARCH ISS PBLA25 START 136.0412
HIERARCH ISS PBLA25 END 136.1743
HIERARCH ISS PBL26 START 136.1038
HIERARCH ISS PBL26 END 136.2657
HIERARCH ISS PBLA26 START 107.4308
HIERARCH ISS PBLA26 END 107.6288
HIERARCH ISS PBL34 START 64.8049
HIERARCH ISS PBL34 END 64.7537
HIERARCH ISS PBLA34 START -154.9017
HIERARCH ISS PBLA34 END -154.8981
HIERARCH ISS PBL35 START 313.0522
HIERARCH ISS PBL35 END 313.1277
HIERARCH ISS PBLA35 START -165.5494
HIERARCH ISS PBLA35 END -165.5706
HIERARCH ISS PBL36 START 220.371
HIERARCH ISS PBL36 END 220.2579
HIERARCH ISS PBLA36 START -157.8503
HIERARCH ISS PBLA36 END -157.8559
HIERARCH ISS PBL45 START 249.6504
HIERARCH ISS PBL45 END 249.7822
HIERARCH ISS PBLA45 START -168.2986
HIERARCH ISS PBLA45 END -168.3224
HIERARCH ISS PBL46 START 155.6875
HIERARCH ISS PBL46 END 155.6264
HIERARCH ISS PBLA46 START -159.0772
HIERARCH ISS PBLA46 END -159.0861
HIERARCH ISS PBL56 START 99.1646
HIERARCH ISS PBL56 END 99.3645
HIERARCH ISS PBLA56 START -2.8703
HIERARCH ISS PBLA56 END -2.882
HIERARCH CHARA TAU0 12.0
HIERARCH CHARA SEEING 1.1