Exposure
ID
SPICA.2025-09-13T10-58-31_1
Header ID
SPICA.2025-09-13T10-58-31
Date updated
2025-09-13 10:57:26 UTC+0000
Release date
None
UTC Start
2025-09-13 10:57:26.065
UTC End
2025-09-13 10:58:26.065
MJD Start
60931.4565516739
MJD End
60931.457246118334
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
64138
Category
calibrator
Program ID
ENG
Program Title
TBD
Program Type
Normal
PI / COI
spica
Target
ID
47768
Name
HD_20677
RA
50.36066
DEC
43.32965
Instrument
Interferometer
CHARA
Instrument
SPICA
Instrument mode
LR
Stations
S1S2E1E2W1W2
Projected baselines
Baseline Length start Length end Angle start Angle end
S1-S2 33.6512 33.6501 93.4966 93.6513
S1-E1 324.6358 324.7401 60.9850 61.1379
S1-E2 273.8568 273.9213 68.7846 68.9359
S1-W1 278.4983 278.4969 121.6699 121.8555
S1-W2 209.6281 209.6100 102.6642 102.8285
S2-E1 296.8099 296.9155 57.4914 57.6455
S2-E2 243.6937 243.7600 65.4752 65.6271
S2-W1 249.3407 249.3498 125.3232 125.5124
S2-W2 176.4882 176.4723 104.4051 104.5712
E1-E2 64.9882 65.0212 -153.8959 -153.7241
E1-W1 307.2742 307.4844 -171.2271 -171.0470
E1-W2 218.3528 218.4770 -158.6869 -158.5135
E2-W1 245.9995 246.1750 -175.7408 -175.5577
E2-W2 153.6875 153.7787 -160.7109 -160.5366
W1-W2 105.3955 105.4710 -17.9595 -17.7602
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 60931.4565516739
PI-COI spica
HIERARCH OBS TARG NAME HD_20677
HIERARCH OBS RA 50.36066
HIERARCH OBS DEC 43.32965
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 33.6512
HIERARCH ISS PBL12 END 33.6501
HIERARCH ISS PBLA12 START 93.4966
HIERARCH ISS PBLA12 END 93.6513
HIERARCH ISS PBL13 START 324.6358
HIERARCH ISS PBL13 END 324.7401
HIERARCH ISS PBLA13 START 60.985
HIERARCH ISS PBLA13 END 61.1379
HIERARCH ISS PBL14 START 273.8568
HIERARCH ISS PBL14 END 273.9213
HIERARCH ISS PBLA14 START 68.7846
HIERARCH ISS PBLA14 END 68.9359
HIERARCH ISS PBL15 START 278.4983
HIERARCH ISS PBL15 END 278.4969
HIERARCH ISS PBLA15 START 121.6699
HIERARCH ISS PBLA15 END 121.8555
HIERARCH ISS PBL16 START 209.6281
HIERARCH ISS PBL16 END 209.61
HIERARCH ISS PBLA16 START 102.6642
HIERARCH ISS PBLA16 END 102.8285
HIERARCH ISS PBL23 START 296.8099
HIERARCH ISS PBL23 END 296.9155
HIERARCH ISS PBLA23 START 57.4914
HIERARCH ISS PBLA23 END 57.6455
HIERARCH ISS PBL24 START 243.6937
HIERARCH ISS PBL24 END 243.76
HIERARCH ISS PBLA24 START 65.4752
HIERARCH ISS PBLA24 END 65.6271
HIERARCH ISS PBL25 START 249.3407
HIERARCH ISS PBL25 END 249.3498
HIERARCH ISS PBLA25 START 125.3232
HIERARCH ISS PBLA25 END 125.5124
HIERARCH ISS PBL26 START 176.4882
HIERARCH ISS PBL26 END 176.4723
HIERARCH ISS PBLA26 START 104.4051
HIERARCH ISS PBLA26 END 104.5712
HIERARCH ISS PBL34 START 64.9882
HIERARCH ISS PBL34 END 65.0212
HIERARCH ISS PBLA34 START -153.8959
HIERARCH ISS PBLA34 END -153.7241
HIERARCH ISS PBL35 START 307.2742
HIERARCH ISS PBL35 END 307.4844
HIERARCH ISS PBLA35 START -171.2271
HIERARCH ISS PBLA35 END -171.047
HIERARCH ISS PBL36 START 218.3528
HIERARCH ISS PBL36 END 218.477
HIERARCH ISS PBLA36 START -158.6869
HIERARCH ISS PBLA36 END -158.5135
HIERARCH ISS PBL45 START 245.9995
HIERARCH ISS PBL45 END 246.175
HIERARCH ISS PBLA45 START -175.7408
HIERARCH ISS PBLA45 END -175.5577
HIERARCH ISS PBL46 START 153.6875
HIERARCH ISS PBL46 END 153.7787
HIERARCH ISS PBLA46 START -160.7109
HIERARCH ISS PBLA46 END -160.5366
HIERARCH ISS PBL56 START 105.3955
HIERARCH ISS PBL56 END 105.471
HIERARCH ISS PBLA56 START -17.9595
HIERARCH ISS PBLA56 END -17.7602
HIERARCH CHARA TAU0 12.0
HIERARCH CHARA SEEING 1.1