Exposure
ID
SPICA.2025-09-13T11-01-49_1
Header ID
SPICA.2025-09-13T11-01-49
Date updated
2025-09-13 11:00:44 UTC+0000
Release date
None
UTC Start
2025-09-13 11:00:44.432
UTC End
2025-09-13 11:01:44.432
MJD Start
60931.4588475939
MJD End
60931.459542038334
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 33.6475 33.6462 93.9689 94.1234
S1-E1 324.9501 325.0501 61.4528 61.6065
S1-E2 274.0511 274.1129 69.2475 69.3994
S1-W1 278.4910 278.4866 122.2362 122.4209
S1-W2 209.5717 209.5525 103.1657 103.3295
S2-E1 297.1281 297.2293 57.9630 58.1178
S2-E2 243.8935 243.9572 65.9399 66.0925
S2-W1 249.3656 249.3718 125.9000 126.0881
S2-W2 176.4386 176.4218 104.9123 105.0780
E1-E2 65.0869 65.1179 -153.3703 -153.1979
E1-W1 307.9050 308.1041 -170.6770 -170.4970
E1-W2 218.7248 218.8418 -158.1567 -157.9829
E2-W1 246.5264 246.6929 -175.1817 -174.9989
E2-W2 153.9607 154.0466 -160.1783 -160.0037
W1-W2 105.6229 105.6952 -17.3515 -17.1531
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 60931.4588475939
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 33.6475
HIERARCH ISS PBL12 END 33.6462
HIERARCH ISS PBLA12 START 93.9689
HIERARCH ISS PBLA12 END 94.1234
HIERARCH ISS PBL13 START 324.9501
HIERARCH ISS PBL13 END 325.0501
HIERARCH ISS PBLA13 START 61.4528
HIERARCH ISS PBLA13 END 61.6065
HIERARCH ISS PBL14 START 274.0511
HIERARCH ISS PBL14 END 274.1129
HIERARCH ISS PBLA14 START 69.2475
HIERARCH ISS PBLA14 END 69.3994
HIERARCH ISS PBL15 START 278.491
HIERARCH ISS PBL15 END 278.4866
HIERARCH ISS PBLA15 START 122.2362
HIERARCH ISS PBLA15 END 122.4209
HIERARCH ISS PBL16 START 209.5717
HIERARCH ISS PBL16 END 209.5525
HIERARCH ISS PBLA16 START 103.1657
HIERARCH ISS PBLA16 END 103.3295
HIERARCH ISS PBL23 START 297.1281
HIERARCH ISS PBL23 END 297.2293
HIERARCH ISS PBLA23 START 57.963
HIERARCH ISS PBLA23 END 58.1178
HIERARCH ISS PBL24 START 243.8935
HIERARCH ISS PBL24 END 243.9572
HIERARCH ISS PBLA24 START 65.9399
HIERARCH ISS PBLA24 END 66.0925
HIERARCH ISS PBL25 START 249.3656
HIERARCH ISS PBL25 END 249.3718
HIERARCH ISS PBLA25 START 125.9
HIERARCH ISS PBLA25 END 126.0881
HIERARCH ISS PBL26 START 176.4386
HIERARCH ISS PBL26 END 176.4218
HIERARCH ISS PBLA26 START 104.9123
HIERARCH ISS PBLA26 END 105.078
HIERARCH ISS PBL34 START 65.0869
HIERARCH ISS PBL34 END 65.1179
HIERARCH ISS PBLA34 START -153.3703
HIERARCH ISS PBLA34 END -153.1979
HIERARCH ISS PBL35 START 307.905
HIERARCH ISS PBL35 END 308.1041
HIERARCH ISS PBLA35 START -170.677
HIERARCH ISS PBLA35 END -170.497
HIERARCH ISS PBL36 START 218.7248
HIERARCH ISS PBL36 END 218.8418
HIERARCH ISS PBLA36 START -158.1567
HIERARCH ISS PBLA36 END -157.9829
HIERARCH ISS PBL45 START 246.5264
HIERARCH ISS PBL45 END 246.6929
HIERARCH ISS PBLA45 START -175.1817
HIERARCH ISS PBLA45 END -174.9989
HIERARCH ISS PBL46 START 153.9607
HIERARCH ISS PBL46 END 154.0466
HIERARCH ISS PBLA46 START -160.1783
HIERARCH ISS PBLA46 END -160.0037
HIERARCH ISS PBL56 START 105.6229
HIERARCH ISS PBL56 END 105.6952
HIERARCH ISS PBLA56 START -17.3515
HIERARCH ISS PBLA56 END -17.1531
HIERARCH CHARA TAU0 12.0
HIERARCH CHARA SEEING 1.1