Exposure
ID
SPICA.2025-08-21T04-01-47_1
Header ID
SPICA.2025-08-21T04-01-47
Date updated
2025-08-21 04:00:42 UTC+0000
Release date
None
UTC Start
2025-08-21 04:00:42.554
UTC End
2025-08-21 04:01:42.554
MJD Start
60908.1671591896
MJD End
60908.16785363403
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 21.9473 21.9468 89.6468 89.8847
S1-E1 268.9732 268.4068 49.8628 49.9335
S1-E2 212.9489 212.5093 57.6122 57.7265
S1-W1 173.8145 174.5388 136.8602 137.0102
S1-W2 128.8539 129.0428 104.2296 104.4849
S2-E1 252.4984 251.9770 46.6744 46.7274
S2-E2 194.6919 194.2810 54.1841 54.2795
S2-W1 159.7205 160.4146 142.6480 142.7645
S2-W2 107.7554 107.9466 107.1692 107.4225
E1-E2 64.6909 64.6383 -156.4879 -156.5404
E1-W1 312.5063 312.6141 -163.8776 -163.9560
E1-W2 220.3783 220.2689 -158.5108 -158.5723
E2-W1 248.4921 248.6564 -165.7965 -165.8787
E2-W2 155.7444 155.6882 -159.3508 -159.4157
W1-W2 95.3488 95.5780 3.6376 3.5563
Header: used keywords
Key Value
HIERARCH OBS PROG ID S8/NOIR13
HIERARCH DPR CATG SCIENCE
HIERARCH DPR TYPE OBJECT
MJD-OBS 60908.1671591896
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 21.9473
HIERARCH ISS PBL12 END 21.9468
HIERARCH ISS PBLA12 START 89.6468
HIERARCH ISS PBLA12 END 89.8847
HIERARCH ISS PBL13 START 268.9732
HIERARCH ISS PBL13 END 268.4068
HIERARCH ISS PBLA13 START 49.8628
HIERARCH ISS PBLA13 END 49.9335
HIERARCH ISS PBL14 START 212.9489
HIERARCH ISS PBL14 END 212.5093
HIERARCH ISS PBLA14 START 57.6122
HIERARCH ISS PBLA14 END 57.7265
HIERARCH ISS PBL15 START 173.8145
HIERARCH ISS PBL15 END 174.5388
HIERARCH ISS PBLA15 START 136.8602
HIERARCH ISS PBLA15 END 137.0102
HIERARCH ISS PBL16 START 128.8539
HIERARCH ISS PBL16 END 129.0428
HIERARCH ISS PBLA16 START 104.2296
HIERARCH ISS PBLA16 END 104.4849
HIERARCH ISS PBL23 START 252.4984
HIERARCH ISS PBL23 END 251.977
HIERARCH ISS PBLA23 START 46.6744
HIERARCH ISS PBLA23 END 46.7274
HIERARCH ISS PBL24 START 194.6919
HIERARCH ISS PBL24 END 194.281
HIERARCH ISS PBLA24 START 54.1841
HIERARCH ISS PBLA24 END 54.2795
HIERARCH ISS PBL25 START 159.7205
HIERARCH ISS PBL25 END 160.4146
HIERARCH ISS PBLA25 START 142.648
HIERARCH ISS PBLA25 END 142.7645
HIERARCH ISS PBL26 START 107.7554
HIERARCH ISS PBL26 END 107.9466
HIERARCH ISS PBLA26 START 107.1692
HIERARCH ISS PBLA26 END 107.4225
HIERARCH ISS PBL34 START 64.6909
HIERARCH ISS PBL34 END 64.6383
HIERARCH ISS PBLA34 START -156.4879
HIERARCH ISS PBLA34 END -156.5404
HIERARCH ISS PBL35 START 312.5063
HIERARCH ISS PBL35 END 312.6141
HIERARCH ISS PBLA35 START -163.8776
HIERARCH ISS PBLA35 END -163.956
HIERARCH ISS PBL36 START 220.3783
HIERARCH ISS PBL36 END 220.2689
HIERARCH ISS PBLA36 START -158.5108
HIERARCH ISS PBLA36 END -158.5723
HIERARCH ISS PBL45 START 248.4921
HIERARCH ISS PBL45 END 248.6564
HIERARCH ISS PBLA45 START -165.7965
HIERARCH ISS PBLA45 END -165.8787
HIERARCH ISS PBL46 START 155.7444
HIERARCH ISS PBL46 END 155.6882
HIERARCH ISS PBLA46 START -159.3508
HIERARCH ISS PBLA46 END -159.4157
HIERARCH ISS PBL56 START 95.3488
HIERARCH ISS PBL56 END 95.578
HIERARCH ISS PBLA56 START 3.6376
HIERARCH ISS PBLA56 END 3.5563
HIERARCH CHARA TAU0 12.0
HIERARCH CHARA SEEING 1.1