Exposure
ID
SPICA.2025-08-18T03-35-22_1
Header ID
SPICA.2025-08-18T03-35-22
Date updated
2025-08-18 03:34:17 UTC+0000
Release date
None
UTC Start
2025-08-18 03:34:17.698
UTC End
2025-08-18 03:35:17.698
MJD Start
60905.1488159478
MJD End
60905.149510392235
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
64254
Category
science
Program ID
S02
Program Title
TBD
Program Type
Normal
PI / COI
vrard
Target
ID
47852
Name
HD_161797_A
RA
266.6147
DEC
27.72068
Instrument
Interferometer
CHARA
Instrument
SPICA
Instrument mode
LR
Stations
S1S2E1E2W1W2
Projected baselines
Baseline Length start Length end Angle start Angle end
S1-S2 33.8991 33.9010 97.4215 97.5722
S1-E1 329.1186 329.0621 65.2042 65.3517
S1-E2 277.3158 277.2807 72.8984 73.0482
S1-W1 274.6190 274.7350 126.9240 127.0823
S1-W2 209.3182 209.3502 106.8505 107.0055
S2-E1 300.9819 300.9251 61.7617 61.9081
S2-E2 246.8759 246.8395 69.6311 69.7802
S2-W1 245.6833 245.7999 130.8202 130.9777
S2-W2 175.9648 175.9954 108.6591 108.8146
E1-E2 65.7798 65.7666 -149.1592 -149.0262
E1-W1 313.1954 313.2512 -165.3452 -165.2217
E1-W2 221.7539 221.7314 -153.6445 -153.5154
E2-W1 250.6945 250.7663 -169.5397 -169.4166
E2-W2 156.2602 156.2514 -155.5310 -155.4033
W1-W2 106.0564 106.1379 -10.4348 -10.3006
Header: used keywords
Key Value
HIERARCH OBS PROG ID S02
HIERARCH DPR CATG SCIENCE
HIERARCH DPR TYPE OBJECT
MJD-OBS 60905.1488159478
PI-COI vrard
HIERARCH OBS TARG NAME HD_161797_A
HIERARCH OBS RA 266.6147
HIERARCH OBS DEC 27.72068
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 33.8991
HIERARCH ISS PBL12 END 33.901
HIERARCH ISS PBLA12 START 97.4215
HIERARCH ISS PBLA12 END 97.5722
HIERARCH ISS PBL13 START 329.1186
HIERARCH ISS PBL13 END 329.0621
HIERARCH ISS PBLA13 START 65.2042
HIERARCH ISS PBLA13 END 65.3517
HIERARCH ISS PBL14 START 277.3158
HIERARCH ISS PBL14 END 277.2807
HIERARCH ISS PBLA14 START 72.8984
HIERARCH ISS PBLA14 END 73.0482
HIERARCH ISS PBL15 START 274.619
HIERARCH ISS PBL15 END 274.735
HIERARCH ISS PBLA15 START 126.924
HIERARCH ISS PBLA15 END 127.0823
HIERARCH ISS PBL16 START 209.3182
HIERARCH ISS PBL16 END 209.3502
HIERARCH ISS PBLA16 START 106.8505
HIERARCH ISS PBLA16 END 107.0055
HIERARCH ISS PBL23 START 300.9819
HIERARCH ISS PBL23 END 300.9251
HIERARCH ISS PBLA23 START 61.7617
HIERARCH ISS PBLA23 END 61.9081
HIERARCH ISS PBL24 START 246.8759
HIERARCH ISS PBL24 END 246.8395
HIERARCH ISS PBLA24 START 69.6311
HIERARCH ISS PBLA24 END 69.7802
HIERARCH ISS PBL25 START 245.6833
HIERARCH ISS PBL25 END 245.7999
HIERARCH ISS PBLA25 START 130.8202
HIERARCH ISS PBLA25 END 130.9777
HIERARCH ISS PBL26 START 175.9648
HIERARCH ISS PBL26 END 175.9954
HIERARCH ISS PBLA26 START 108.6591
HIERARCH ISS PBLA26 END 108.8146
HIERARCH ISS PBL34 START 65.7798
HIERARCH ISS PBL34 END 65.7666
HIERARCH ISS PBLA34 START -149.1592
HIERARCH ISS PBLA34 END -149.0262
HIERARCH ISS PBL35 START 313.1954
HIERARCH ISS PBL35 END 313.2512
HIERARCH ISS PBLA35 START -165.3452
HIERARCH ISS PBLA35 END -165.2217
HIERARCH ISS PBL36 START 221.7539
HIERARCH ISS PBL36 END 221.7314
HIERARCH ISS PBLA36 START -153.6445
HIERARCH ISS PBLA36 END -153.5154
HIERARCH ISS PBL45 START 250.6945
HIERARCH ISS PBL45 END 250.7663
HIERARCH ISS PBLA45 START -169.5397
HIERARCH ISS PBLA45 END -169.4166
HIERARCH ISS PBL46 START 156.2602
HIERARCH ISS PBL46 END 156.2514
HIERARCH ISS PBLA46 START -155.531
HIERARCH ISS PBLA46 END -155.4033
HIERARCH ISS PBL56 START 106.0564
HIERARCH ISS PBL56 END 106.1379
HIERARCH ISS PBLA56 START -10.4348
HIERARCH ISS PBLA56 END -10.3006
HIERARCH CHARA TAU0 12.0
HIERARCH CHARA SEEING 1.1