Exposure
ID
SPICA.2025-10-07T04-19-07_1
Header ID
SPICA.2025-10-07T04-19-07
Date updated
2025-10-07 04:18:02 UTC+0000
Release date
None
UTC Start
2025-10-07 04:18:02.727
UTC End
2025-10-07 04:19:02.727
MJD Start
60955.1791982283
MJD End
60955.179892672735
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
70854
Category
science
Program ID
S01
Program Title
TBD
Program Type
Normal
PI / COI
ligi
Target
ID
47856
Name
HD_221345
RA
352.8226
DEC
39.2362
Instrument
Interferometer
CHARA
Instrument
SPICA
Instrument mode
LR
Stations
S2E1E2W1W2
Projected baselines
Baseline Length start Length end Angle start Angle end
S1-S2 33.9232 33.9247 82.7791 82.9307
S1-E1 318.6762 318.8755 51.7464 51.8725
S1-E2 271.2314 271.3511 59.3477 59.4766
S1-W1 274.6210 274.6741 108.1806 108.3857
S2-E1 290.1359 290.3421 48.2907 48.4166
S2-E2 240.4843 240.6085 56.1321 56.2596
S2-W1 244.4109 244.4779 111.5939 111.8050
E1-E2 61.4011 61.4849 -164.0089 -163.8598
E1-W1 283.1924 283.6836 177.8424 178.0176
E2-W1 225.6578 226.0592 172.9805 173.1645
Header: used keywords
Key Value
HIERARCH OBS PROG ID S01
HIERARCH DPR CATG SCIENCE
HIERARCH DPR TYPE OBJECT
MJD-OBS 60955.1791982283
PI-COI ligi
HIERARCH OBS TARG NAME HD_221345
HIERARCH OBS RA 352.8226
HIERARCH OBS DEC 39.2362
HIERARCH INS RESOL LOW
HIERARCH INS CENTRAL WL 720.0
HIERARCH CHARA BASELINE S2E1E2W1W2
HIERARCH DET DIT 0.0199999995529652
HIERARCH DET NDIT 3000
HIERARCH CHARA NB TEL 5
HIERARCH CHARA T1NAME S1
HIERARCH CHARA T2NAME S2
HIERARCH CHARA T3NAME E1
HIERARCH CHARA T4NAME E2
HIERARCH CHARA T5NAME W1
HIERARCH ISS PBL12 START 33.9232
HIERARCH ISS PBL12 END 33.9247
HIERARCH ISS PBLA12 START 82.7791
HIERARCH ISS PBLA12 END 82.9307
HIERARCH ISS PBL13 START 318.6762
HIERARCH ISS PBL13 END 318.8755
HIERARCH ISS PBLA13 START 51.7464
HIERARCH ISS PBLA13 END 51.8725
HIERARCH ISS PBL14 START 271.2314
HIERARCH ISS PBL14 END 271.3511
HIERARCH ISS PBLA14 START 59.3477
HIERARCH ISS PBLA14 END 59.4766
HIERARCH ISS PBL15 START 274.621
HIERARCH ISS PBL15 END 274.6741
HIERARCH ISS PBLA15 START 108.1806
HIERARCH ISS PBLA15 END 108.3857
HIERARCH ISS PBL23 START 290.1359
HIERARCH ISS PBL23 END 290.3421
HIERARCH ISS PBLA23 START 48.2907
HIERARCH ISS PBLA23 END 48.4166
HIERARCH ISS PBL24 START 240.4843
HIERARCH ISS PBL24 END 240.6085
HIERARCH ISS PBLA24 START 56.1321
HIERARCH ISS PBLA24 END 56.2596
HIERARCH ISS PBL25 START 244.4109
HIERARCH ISS PBL25 END 244.4779
HIERARCH ISS PBLA25 START 111.5939
HIERARCH ISS PBLA25 END 111.805
HIERARCH ISS PBL34 START 61.4011
HIERARCH ISS PBL34 END 61.4849
HIERARCH ISS PBLA34 START -164.0089
HIERARCH ISS PBLA34 END -163.8598
HIERARCH ISS PBL35 START 283.1924
HIERARCH ISS PBL35 END 283.6836
HIERARCH ISS PBLA35 START 177.8424
HIERARCH ISS PBLA35 END 178.0176
HIERARCH ISS PBL45 START 225.6578
HIERARCH ISS PBL45 END 226.0592
HIERARCH ISS PBLA45 START 172.9805
HIERARCH ISS PBLA45 END 173.1645
HIERARCH CHARA TAU0 12.0
HIERARCH CHARA SEEING 1.1