Exposure
ID
SPICA.2025-08-16T07-23-13_1
Header ID
SPICA.2025-08-16T07-23-13
Date updated
2025-08-16 07:22:07 UTC+0000
Release date
None
UTC Start
2025-08-16 07:22:07.895
UTC End
2025-08-16 07:23:07.895
MJD Start
60903.3070358242
MJD End
60903.30773026863
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
64011
Category
science
Program ID
S01
Program Title
TBD
Program Type
Normal
PI / COI
ligi
Target
ID
47673
Name
HD_222439
RA
355.1021
DEC
44.33393
Instrument
Interferometer
CHARA
Instrument
SPICA
Instrument mode
LR
Stations
S1S2E1E2W1W2
Projected baselines
Baseline Length start Length end Angle start Angle end
S1-S2 33.4062 33.4107 78.5344 78.6857
S1-E1 304.5520 304.8476 47.1212 47.2508
S1-E2 260.9188 261.1087 54.9891 55.1190
S1-W1 276.9178 276.9394 102.3333 102.5431
S1-W2 209.8317 209.8363 86.3512 86.5206
S2-E1 276.5907 276.8893 43.5120 43.6428
S2-E2 230.6801 230.8713 51.6726 51.8020
S2-W1 246.7207 246.7537 105.4653 105.6824
S2-W2 176.7942 176.7961 87.8238 87.9968
E1-E2 58.3089 58.4110 -170.6527 -170.4797
E1-W1 270.5575 271.0844 169.9202 170.1294
E1-W2 194.3669 194.7269 -175.9381 -175.7562
E2-W1 216.4390 216.8556 164.7793 164.9986
E2-W2 136.4117 136.6690 -178.1948 -178.0087
W1-W2 94.8282 94.9615 -40.1313 -39.8742
Header: used keywords
Key Value
HIERARCH OBS PROG ID S01
HIERARCH DPR CATG SCIENCE
HIERARCH DPR TYPE OBJECT
MJD-OBS 60903.3070358242
PI-COI ligi
HIERARCH OBS TARG NAME HD_222439
HIERARCH OBS RA 355.1021
HIERARCH OBS DEC 44.33393
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 33.4062
HIERARCH ISS PBL12 END 33.4107
HIERARCH ISS PBLA12 START 78.5344
HIERARCH ISS PBLA12 END 78.6857
HIERARCH ISS PBL13 START 304.552
HIERARCH ISS PBL13 END 304.8476
HIERARCH ISS PBLA13 START 47.1212
HIERARCH ISS PBLA13 END 47.2508
HIERARCH ISS PBL14 START 260.9188
HIERARCH ISS PBL14 END 261.1087
HIERARCH ISS PBLA14 START 54.9891
HIERARCH ISS PBLA14 END 55.119
HIERARCH ISS PBL15 START 276.9178
HIERARCH ISS PBL15 END 276.9394
HIERARCH ISS PBLA15 START 102.3333
HIERARCH ISS PBLA15 END 102.5431
HIERARCH ISS PBL16 START 209.8317
HIERARCH ISS PBL16 END 209.8363
HIERARCH ISS PBLA16 START 86.3512
HIERARCH ISS PBLA16 END 86.5206
HIERARCH ISS PBL23 START 276.5907
HIERARCH ISS PBL23 END 276.8893
HIERARCH ISS PBLA23 START 43.512
HIERARCH ISS PBLA23 END 43.6428
HIERARCH ISS PBL24 START 230.6801
HIERARCH ISS PBL24 END 230.8713
HIERARCH ISS PBLA24 START 51.6726
HIERARCH ISS PBLA24 END 51.802
HIERARCH ISS PBL25 START 246.7207
HIERARCH ISS PBL25 END 246.7537
HIERARCH ISS PBLA25 START 105.4653
HIERARCH ISS PBLA25 END 105.6824
HIERARCH ISS PBL26 START 176.7942
HIERARCH ISS PBL26 END 176.7961
HIERARCH ISS PBLA26 START 87.8238
HIERARCH ISS PBLA26 END 87.9968
HIERARCH ISS PBL34 START 58.3089
HIERARCH ISS PBL34 END 58.411
HIERARCH ISS PBLA34 START -170.6527
HIERARCH ISS PBLA34 END -170.4797
HIERARCH ISS PBL35 START 270.5575
HIERARCH ISS PBL35 END 271.0844
HIERARCH ISS PBLA35 START 169.9202
HIERARCH ISS PBLA35 END 170.1294
HIERARCH ISS PBL36 START 194.3669
HIERARCH ISS PBL36 END 194.7269
HIERARCH ISS PBLA36 START -175.9381
HIERARCH ISS PBLA36 END -175.7562
HIERARCH ISS PBL45 START 216.439
HIERARCH ISS PBL45 END 216.8556
HIERARCH ISS PBLA45 START 164.7793
HIERARCH ISS PBLA45 END 164.9986
HIERARCH ISS PBL46 START 136.4117
HIERARCH ISS PBL46 END 136.669
HIERARCH ISS PBLA46 START -178.1948
HIERARCH ISS PBLA46 END -178.0087
HIERARCH ISS PBL56 START 94.8282
HIERARCH ISS PBL56 END 94.9615
HIERARCH ISS PBLA56 START -40.1313
HIERARCH ISS PBLA56 END -39.8742
HIERARCH CHARA TAU0 12.0
HIERARCH CHARA SEEING 1.1