Exposure
ID
SPICA.2025-08-20T06-07-54_1
Header ID
SPICA.2025-08-20T06-07-54
Date updated
2025-08-20 06:06:49 UTC+0000
Release date
None
UTC Start
2025-08-20 06:06:49.681
UTC End
2025-08-20 06:07:49.681
MJD Start
60907.2547416794
MJD End
60907.25543612383
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
70055
Category
calibrator
Program ID
ENG
Program Title
TBD
Program Type
Normal
PI / COI
spica
Target
ID
51978
Name
HD_198431
RA
312.6741
DEC
-12.5449
Instrument
Interferometer
CHARA
Instrument
SPICA
Instrument mode
LR
Stations
S1S2E1E2W1W2
Projected baselines
Baseline Length start Length end Angle start Angle end
S1-S2 23.4394 23.4516 95.9901 96.2090
S1-E1 261.1045 260.5499 53.7602 53.8678
S1-E2 209.3309 208.9402 62.6253 62.7737
S1-W1 200.8457 201.5090 138.1162 138.2264
S1-W2 143.0859 143.3297 109.8065 110.0169
S2-E1 244.2572 243.7281 50.0622 50.1520
S2-E2 190.1920 189.8100 58.7389 58.8702
S2-W1 184.1338 184.7539 143.0144 143.1003
S2-W2 120.4548 120.6857 112.4700 112.6751
E1-E2 63.1377 63.0572 -156.9663 -156.9941
E1-W1 313.3682 313.3204 -165.8691 -165.9259
E1-W2 216.6007 216.3915 -159.4669 -159.5051
E2-W1 251.1813 251.2187 -168.0986 -168.1593
E2-W2 153.5477 153.4197 -160.4948 -160.5368
W1-W2 101.0474 101.2215 0.3019 0.2425
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 60907.2547416794
PI-COI spica
HIERARCH OBS TARG NAME HD_198431
HIERARCH OBS RA 312.6741
HIERARCH OBS DEC -12.5449
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 23.4394
HIERARCH ISS PBL12 END 23.4516
HIERARCH ISS PBLA12 START 95.9901
HIERARCH ISS PBLA12 END 96.209
HIERARCH ISS PBL13 START 261.1045
HIERARCH ISS PBL13 END 260.5499
HIERARCH ISS PBLA13 START 53.7602
HIERARCH ISS PBLA13 END 53.8678
HIERARCH ISS PBL14 START 209.3309
HIERARCH ISS PBL14 END 208.9402
HIERARCH ISS PBLA14 START 62.6253
HIERARCH ISS PBLA14 END 62.7737
HIERARCH ISS PBL15 START 200.8457
HIERARCH ISS PBL15 END 201.509
HIERARCH ISS PBLA15 START 138.1162
HIERARCH ISS PBLA15 END 138.2264
HIERARCH ISS PBL16 START 143.0859
HIERARCH ISS PBL16 END 143.3297
HIERARCH ISS PBLA16 START 109.8065
HIERARCH ISS PBLA16 END 110.0169
HIERARCH ISS PBL23 START 244.2572
HIERARCH ISS PBL23 END 243.7281
HIERARCH ISS PBLA23 START 50.0622
HIERARCH ISS PBLA23 END 50.152
HIERARCH ISS PBL24 START 190.192
HIERARCH ISS PBL24 END 189.81
HIERARCH ISS PBLA24 START 58.7389
HIERARCH ISS PBLA24 END 58.8702
HIERARCH ISS PBL25 START 184.1338
HIERARCH ISS PBL25 END 184.7539
HIERARCH ISS PBLA25 START 143.0144
HIERARCH ISS PBLA25 END 143.1003
HIERARCH ISS PBL26 START 120.4548
HIERARCH ISS PBL26 END 120.6857
HIERARCH ISS PBLA26 START 112.47
HIERARCH ISS PBLA26 END 112.6751
HIERARCH ISS PBL34 START 63.1377
HIERARCH ISS PBL34 END 63.0572
HIERARCH ISS PBLA34 START -156.9663
HIERARCH ISS PBLA34 END -156.9941
HIERARCH ISS PBL35 START 313.3682
HIERARCH ISS PBL35 END 313.3204
HIERARCH ISS PBLA35 START -165.8691
HIERARCH ISS PBLA35 END -165.9259
HIERARCH ISS PBL36 START 216.6007
HIERARCH ISS PBL36 END 216.3915
HIERARCH ISS PBLA36 START -159.4669
HIERARCH ISS PBLA36 END -159.5051
HIERARCH ISS PBL45 START 251.1813
HIERARCH ISS PBL45 END 251.2187
HIERARCH ISS PBLA45 START -168.0986
HIERARCH ISS PBLA45 END -168.1593
HIERARCH ISS PBL46 START 153.5477
HIERARCH ISS PBL46 END 153.4197
HIERARCH ISS PBLA46 START -160.4948
HIERARCH ISS PBLA46 END -160.5368
HIERARCH ISS PBL56 START 101.0474
HIERARCH ISS PBL56 END 101.2215
HIERARCH ISS PBLA56 START 0.3019
HIERARCH ISS PBLA56 END 0.2425
HIERARCH CHARA TAU0 12.0
HIERARCH CHARA SEEING 1.1