Exposure
ID
SPICA.2025-08-17T12-09-23_1
Header ID
SPICA.2025-08-17T12-09-23
Date updated
2025-08-17 12:08:18 UTC+0000
Release date
None
UTC Start
2025-08-17 12:08:18.338
UTC End
2025-08-17 12:09:18.338
MJD Start
60904.5057678007
MJD End
60904.50646224513
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 26.8512 26.8557 92.4942 92.6880
S1-E1 290.7230 290.3022 55.6201 55.7241
S1-E2 237.0689 236.7612 63.6229 63.7558
S1-W1 212.8107 213.3634 130.6333 130.7884
S1-W2 161.7237 161.8839 104.4069 104.6086
S2-E1 269.7249 269.3286 52.1955 52.2867
S2-E2 213.9483 213.6527 60.1487 60.2695
S2-W1 192.4078 192.9427 135.5774 135.7154
S2-W2 135.5641 135.7208 106.7501 106.9511
E1-E2 64.9704 64.9232 -154.9104 -154.9084
E1-W1 312.7458 312.8436 -165.4752 -165.4974
E1-W2 220.7241 220.6254 -157.8279 -157.8350
E2-W1 249.1617 249.3117 -168.2154 -168.2402
E2-W2 155.8730 155.8222 -159.0435 -159.0539
W1-W2 98.4678 98.6751 -2.8306 -2.8422
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 60904.5057678007
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 26.8512
HIERARCH ISS PBL12 END 26.8557
HIERARCH ISS PBLA12 START 92.4942
HIERARCH ISS PBLA12 END 92.688
HIERARCH ISS PBL13 START 290.723
HIERARCH ISS PBL13 END 290.3022
HIERARCH ISS PBLA13 START 55.6201
HIERARCH ISS PBLA13 END 55.7241
HIERARCH ISS PBL14 START 237.0689
HIERARCH ISS PBL14 END 236.7612
HIERARCH ISS PBLA14 START 63.6229
HIERARCH ISS PBLA14 END 63.7558
HIERARCH ISS PBL15 START 212.8107
HIERARCH ISS PBL15 END 213.3634
HIERARCH ISS PBLA15 START 130.6333
HIERARCH ISS PBLA15 END 130.7884
HIERARCH ISS PBL16 START 161.7237
HIERARCH ISS PBL16 END 161.8839
HIERARCH ISS PBLA16 START 104.4069
HIERARCH ISS PBLA16 END 104.6086
HIERARCH ISS PBL23 START 269.7249
HIERARCH ISS PBL23 END 269.3286
HIERARCH ISS PBLA23 START 52.1955
HIERARCH ISS PBLA23 END 52.2867
HIERARCH ISS PBL24 START 213.9483
HIERARCH ISS PBL24 END 213.6527
HIERARCH ISS PBLA24 START 60.1487
HIERARCH ISS PBLA24 END 60.2695
HIERARCH ISS PBL25 START 192.4078
HIERARCH ISS PBL25 END 192.9427
HIERARCH ISS PBLA25 START 135.5774
HIERARCH ISS PBLA25 END 135.7154
HIERARCH ISS PBL26 START 135.5641
HIERARCH ISS PBL26 END 135.7208
HIERARCH ISS PBLA26 START 106.7501
HIERARCH ISS PBLA26 END 106.9511
HIERARCH ISS PBL34 START 64.9704
HIERARCH ISS PBL34 END 64.9232
HIERARCH ISS PBLA34 START -154.9104
HIERARCH ISS PBLA34 END -154.9084
HIERARCH ISS PBL35 START 312.7458
HIERARCH ISS PBL35 END 312.8436
HIERARCH ISS PBLA35 START -165.4752
HIERARCH ISS PBLA35 END -165.4974
HIERARCH ISS PBL36 START 220.7241
HIERARCH ISS PBL36 END 220.6254
HIERARCH ISS PBLA36 START -157.8279
HIERARCH ISS PBLA36 END -157.835
HIERARCH ISS PBL45 START 249.1617
HIERARCH ISS PBL45 END 249.3117
HIERARCH ISS PBLA45 START -168.2154
HIERARCH ISS PBLA45 END -168.2402
HIERARCH ISS PBL46 START 155.873
HIERARCH ISS PBL46 END 155.8222
HIERARCH ISS PBLA46 START -159.0435
HIERARCH ISS PBLA46 END -159.0539
HIERARCH ISS PBL56 START 98.4678
HIERARCH ISS PBL56 END 98.6751
HIERARCH ISS PBLA56 START -2.8306
HIERARCH ISS PBLA56 END -2.8422
HIERARCH CHARA TAU0 12.0
HIERARCH CHARA SEEING 1.1