Exposure
ID
SPICA.2025-08-21T04-05-48_1
Header ID
SPICA.2025-08-21T04-05-48
Date updated
2025-08-21 04:04:43 UTC+0000
Release date
None
UTC Start
2025-08-21 04:04:43.341
UTC End
2025-08-21 04:05:43.341
MJD Start
60908.1699460798
MJD End
60908.17064052423
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
70052
Category
science
Program ID
S8/NOIR13
Program Title
TBD
Program Type
Normal
PI / COI
soubiran
Target
ID
51975
Name
HD_180928
RA
289.7504
DEC
-15.53657
Instrument
Interferometer
CHARA
Instrument
SPICA
Instrument mode
LR
Stations
S1S2E1E2W1W2
Projected baselines
Baseline Length start Length end Angle start Angle end
S1-S2 21.9480 21.9493 90.5288 90.7666
S1-E1 266.8657 266.2940 50.1304 50.2050
S1-E2 211.3197 210.8808 58.0422 58.1609
S1-W1 176.4992 177.2226 137.4058 137.5481
S1-W2 129.5699 129.7702 105.1703 105.4212
S2-E1 250.5552 250.0266 46.8758 46.9325
S2-E2 193.1663 192.7540 54.5434 54.6430
S2-W1 162.2889 162.9789 143.0707 143.1804
S2-W2 108.4766 108.6769 108.1019 108.3501
E1-E2 64.4900 64.4331 -156.6802 -156.7311
E1-W1 312.8760 312.9615 -164.1665 -164.2436
E1-W2 219.9526 219.8284 -158.7369 -158.7970
E2-W1 249.0774 249.2239 -166.0997 -166.1807
E2-W2 155.5214 155.4545 -159.5896 -159.6531
W1-W2 96.1888 96.4107 3.3375 3.2572
Header: used keywords
Key Value
HIERARCH OBS PROG ID S8/NOIR13
HIERARCH DPR CATG SCIENCE
HIERARCH DPR TYPE OBJECT
MJD-OBS 60908.1699460798
PI-COI soubiran
HIERARCH OBS TARG NAME HD_180928
HIERARCH OBS RA 289.7504
HIERARCH OBS DEC -15.53657
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 21.948
HIERARCH ISS PBL12 END 21.9493
HIERARCH ISS PBLA12 START 90.5288
HIERARCH ISS PBLA12 END 90.7666
HIERARCH ISS PBL13 START 266.8657
HIERARCH ISS PBL13 END 266.294
HIERARCH ISS PBLA13 START 50.1304
HIERARCH ISS PBLA13 END 50.205
HIERARCH ISS PBL14 START 211.3197
HIERARCH ISS PBL14 END 210.8808
HIERARCH ISS PBLA14 START 58.0422
HIERARCH ISS PBLA14 END 58.1609
HIERARCH ISS PBL15 START 176.4992
HIERARCH ISS PBL15 END 177.2226
HIERARCH ISS PBLA15 START 137.4058
HIERARCH ISS PBLA15 END 137.5481
HIERARCH ISS PBL16 START 129.5699
HIERARCH ISS PBL16 END 129.7702
HIERARCH ISS PBLA16 START 105.1703
HIERARCH ISS PBLA16 END 105.4212
HIERARCH ISS PBL23 START 250.5552
HIERARCH ISS PBL23 END 250.0266
HIERARCH ISS PBLA23 START 46.8758
HIERARCH ISS PBLA23 END 46.9325
HIERARCH ISS PBL24 START 193.1663
HIERARCH ISS PBL24 END 192.754
HIERARCH ISS PBLA24 START 54.5434
HIERARCH ISS PBLA24 END 54.643
HIERARCH ISS PBL25 START 162.2889
HIERARCH ISS PBL25 END 162.9789
HIERARCH ISS PBLA25 START 143.0707
HIERARCH ISS PBLA25 END 143.1804
HIERARCH ISS PBL26 START 108.4766
HIERARCH ISS PBL26 END 108.6769
HIERARCH ISS PBLA26 START 108.1019
HIERARCH ISS PBLA26 END 108.3501
HIERARCH ISS PBL34 START 64.49
HIERARCH ISS PBL34 END 64.4331
HIERARCH ISS PBLA34 START -156.6802
HIERARCH ISS PBLA34 END -156.7311
HIERARCH ISS PBL35 START 312.876
HIERARCH ISS PBL35 END 312.9615
HIERARCH ISS PBLA35 START -164.1665
HIERARCH ISS PBLA35 END -164.2436
HIERARCH ISS PBL36 START 219.9526
HIERARCH ISS PBL36 END 219.8284
HIERARCH ISS PBLA36 START -158.7369
HIERARCH ISS PBLA36 END -158.797
HIERARCH ISS PBL45 START 249.0774
HIERARCH ISS PBL45 END 249.2239
HIERARCH ISS PBLA45 START -166.0997
HIERARCH ISS PBLA45 END -166.1807
HIERARCH ISS PBL46 START 155.5214
HIERARCH ISS PBL46 END 155.4545
HIERARCH ISS PBLA46 START -159.5896
HIERARCH ISS PBLA46 END -159.6531
HIERARCH ISS PBL56 START 96.1888
HIERARCH ISS PBL56 END 96.4107
HIERARCH ISS PBLA56 START 3.3375
HIERARCH ISS PBLA56 END 3.2572
HIERARCH CHARA TAU0 12.0
HIERARCH CHARA SEEING 1.1