Exposure
ID
SPICA.2025-08-20T06-13-25_1
Header ID
SPICA.2025-08-20T06-13-25
Date updated
2025-08-20 06:12:20 UTC+0000
Release date
None
UTC Start
2025-08-20 06:12:20.295
UTC End
2025-08-20 06:13:20.295
MJD Start
60907.258568232
MJD End
60907.25926267643
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 23.5057 23.5200 97.1002 97.3170
S1-E1 258.2757 257.7189 54.3204 54.4341
S1-E2 207.3526 206.9675 63.3934 63.5478
S1-W1 204.2093 204.8658 138.6614 138.7639
S1-W2 144.3492 144.6034 110.8652 111.0694
S2-E1 241.5513 241.0167 50.5309 50.6264
S2-E2 188.2510 187.8711 59.4200 59.5575
S2-W1 187.2716 187.8820 143.4379 143.5171
S2-W2 121.6472 121.8860 113.5004 113.6987
E1-E2 62.7157 62.6293 -157.1035 -157.1291
E1-W1 313.0592 312.9793 -166.1551 -166.2104
E1-W2 215.4928 215.2627 -159.6574 -159.6937
E2-W1 251.3183 251.3295 -168.4051 -168.4646
E2-W2 152.8649 152.7219 -160.7049 -160.7451
W1-W2 101.9113 102.0743 0.0005 -0.0584
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 60907.258568232
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 23.5057
HIERARCH ISS PBL12 END 23.52
HIERARCH ISS PBLA12 START 97.1002
HIERARCH ISS PBLA12 END 97.317
HIERARCH ISS PBL13 START 258.2757
HIERARCH ISS PBL13 END 257.7189
HIERARCH ISS PBLA13 START 54.3204
HIERARCH ISS PBLA13 END 54.4341
HIERARCH ISS PBL14 START 207.3526
HIERARCH ISS PBL14 END 206.9675
HIERARCH ISS PBLA14 START 63.3934
HIERARCH ISS PBLA14 END 63.5478
HIERARCH ISS PBL15 START 204.2093
HIERARCH ISS PBL15 END 204.8658
HIERARCH ISS PBLA15 START 138.6614
HIERARCH ISS PBLA15 END 138.7639
HIERARCH ISS PBL16 START 144.3492
HIERARCH ISS PBL16 END 144.6034
HIERARCH ISS PBLA16 START 110.8652
HIERARCH ISS PBLA16 END 111.0694
HIERARCH ISS PBL23 START 241.5513
HIERARCH ISS PBL23 END 241.0167
HIERARCH ISS PBLA23 START 50.5309
HIERARCH ISS PBLA23 END 50.6264
HIERARCH ISS PBL24 START 188.251
HIERARCH ISS PBL24 END 187.8711
HIERARCH ISS PBLA24 START 59.42
HIERARCH ISS PBLA24 END 59.5575
HIERARCH ISS PBL25 START 187.2716
HIERARCH ISS PBL25 END 187.882
HIERARCH ISS PBLA25 START 143.4379
HIERARCH ISS PBLA25 END 143.5171
HIERARCH ISS PBL26 START 121.6472
HIERARCH ISS PBL26 END 121.886
HIERARCH ISS PBLA26 START 113.5004
HIERARCH ISS PBLA26 END 113.6987
HIERARCH ISS PBL34 START 62.7157
HIERARCH ISS PBL34 END 62.6293
HIERARCH ISS PBLA34 START -157.1035
HIERARCH ISS PBLA34 END -157.1291
HIERARCH ISS PBL35 START 313.0592
HIERARCH ISS PBL35 END 312.9793
HIERARCH ISS PBLA35 START -166.1551
HIERARCH ISS PBLA35 END -166.2104
HIERARCH ISS PBL36 START 215.4928
HIERARCH ISS PBL36 END 215.2627
HIERARCH ISS PBLA36 START -159.6574
HIERARCH ISS PBLA36 END -159.6937
HIERARCH ISS PBL45 START 251.3183
HIERARCH ISS PBL45 END 251.3295
HIERARCH ISS PBLA45 START -168.4051
HIERARCH ISS PBLA45 END -168.4646
HIERARCH ISS PBL46 START 152.8649
HIERARCH ISS PBL46 END 152.7219
HIERARCH ISS PBLA46 START -160.7049
HIERARCH ISS PBLA46 END -160.7451
HIERARCH ISS PBL56 START 101.9113
HIERARCH ISS PBL56 END 102.0743
HIERARCH ISS PBLA56 START 0.0005
HIERARCH ISS PBLA56 END -0.0584
HIERARCH CHARA TAU0 12.0
HIERARCH CHARA SEEING 1.1