Exposure
ID
SPICA.2025-08-21T03-41-22_1
Header ID
SPICA.2025-08-21T03-41-22
Date updated
2025-08-21 03:40:17 UTC+0000
Release date
None
UTC Start
2025-08-21 03:40:17.739
UTC End
2025-08-21 03:41:17.739
MJD Start
60908.152983085
MJD End
60908.15367752943
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
70051
Category
calibrator
Program ID
ENG
Program Title
TBD
Program Type
Normal
PI / COI
spica
Target
ID
51974
Name
HD_170296
RA
277.2994
DEC
-14.56581
Instrument
Interferometer
CHARA
Instrument
SPICA
Instrument mode
LR
Stations
S1S2E1E2W1W2
Projected baselines
Baseline Length start Length end Angle start Angle end
S1-S2 22.5406 22.5529 95.9122 96.1399
S1-E1 256.0649 255.4829 52.6516 52.7545
S1-E2 204.0549 203.6410 61.5669 61.7143
S1-W1 195.3654 196.0562 139.4698 139.5742
S1-W2 137.5246 137.7800 110.2892 110.5068
S2-E1 240.1472 239.5940 48.9635 49.0473
S2-E2 185.8798 185.4768 57.6440 57.7725
S2-W1 179.7032 180.3469 144.4283 144.5063
S2-W2 115.8252 116.0674 113.0589 113.2704
E1-E2 62.9889 62.9066 -157.4839 -157.5212
E1-W1 313.3426 313.2918 -165.8493 -165.9152
E1-W2 216.2933 216.0795 -159.8327 -159.8801
E2-W1 251.1911 251.2269 -167.9400 -168.0100
E2-W2 153.3791 153.2481 -160.7970 -160.8482
W1-W2 100.8228 100.9981 1.1559 1.0857
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 60908.152983085
PI-COI spica
HIERARCH OBS TARG NAME HD_170296
HIERARCH OBS RA 277.2994
HIERARCH OBS DEC -14.56581
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 22.5406
HIERARCH ISS PBL12 END 22.5529
HIERARCH ISS PBLA12 START 95.9122
HIERARCH ISS PBLA12 END 96.1399
HIERARCH ISS PBL13 START 256.0649
HIERARCH ISS PBL13 END 255.4829
HIERARCH ISS PBLA13 START 52.6516
HIERARCH ISS PBLA13 END 52.7545
HIERARCH ISS PBL14 START 204.0549
HIERARCH ISS PBL14 END 203.641
HIERARCH ISS PBLA14 START 61.5669
HIERARCH ISS PBLA14 END 61.7143
HIERARCH ISS PBL15 START 195.3654
HIERARCH ISS PBL15 END 196.0562
HIERARCH ISS PBLA15 START 139.4698
HIERARCH ISS PBLA15 END 139.5742
HIERARCH ISS PBL16 START 137.5246
HIERARCH ISS PBL16 END 137.78
HIERARCH ISS PBLA16 START 110.2892
HIERARCH ISS PBLA16 END 110.5068
HIERARCH ISS PBL23 START 240.1472
HIERARCH ISS PBL23 END 239.594
HIERARCH ISS PBLA23 START 48.9635
HIERARCH ISS PBLA23 END 49.0473
HIERARCH ISS PBL24 START 185.8798
HIERARCH ISS PBL24 END 185.4768
HIERARCH ISS PBLA24 START 57.644
HIERARCH ISS PBLA24 END 57.7725
HIERARCH ISS PBL25 START 179.7032
HIERARCH ISS PBL25 END 180.3469
HIERARCH ISS PBLA25 START 144.4283
HIERARCH ISS PBLA25 END 144.5063
HIERARCH ISS PBL26 START 115.8252
HIERARCH ISS PBL26 END 116.0674
HIERARCH ISS PBLA26 START 113.0589
HIERARCH ISS PBLA26 END 113.2704
HIERARCH ISS PBL34 START 62.9889
HIERARCH ISS PBL34 END 62.9066
HIERARCH ISS PBLA34 START -157.4839
HIERARCH ISS PBLA34 END -157.5212
HIERARCH ISS PBL35 START 313.3426
HIERARCH ISS PBL35 END 313.2918
HIERARCH ISS PBLA35 START -165.8493
HIERARCH ISS PBLA35 END -165.9152
HIERARCH ISS PBL36 START 216.2933
HIERARCH ISS PBL36 END 216.0795
HIERARCH ISS PBLA36 START -159.8327
HIERARCH ISS PBLA36 END -159.8801
HIERARCH ISS PBL45 START 251.1911
HIERARCH ISS PBL45 END 251.2269
HIERARCH ISS PBLA45 START -167.94
HIERARCH ISS PBLA45 END -168.01
HIERARCH ISS PBL46 START 153.3791
HIERARCH ISS PBL46 END 153.2481
HIERARCH ISS PBLA46 START -160.797
HIERARCH ISS PBLA46 END -160.8482
HIERARCH ISS PBL56 START 100.8228
HIERARCH ISS PBL56 END 100.9981
HIERARCH ISS PBLA56 START 1.1559
HIERARCH ISS PBLA56 END 1.0857
HIERARCH CHARA TAU0 12.0
HIERARCH CHARA SEEING 1.1