Exposure
ID
SPICA.2025-08-20T06-12-19_1
Header ID
SPICA.2025-08-20T06-12-19
Date updated
2025-08-20 06:11:14 UTC+0000
Release date
None
UTC Start
2025-08-20 06:11:14.179
UTC End
2025-08-20 06:12:14.179
MJD Start
60907.2578030021
MJD End
60907.258497446535
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 23.4916 23.5055 96.8791 97.0963
S1-E1 258.8423 258.2859 54.2059 54.3184
S1-E2 207.7460 207.3597 63.2373 63.3906
S1-W1 203.5394 204.1973 138.5554 138.6595
S1-W2 144.0923 144.3445 110.6560 110.8615
S2-E1 242.0947 241.5611 50.4348 50.5291
S2-E2 188.6383 188.2579 59.2813 59.4175
S2-W1 186.6480 187.2604 143.3560 143.4365
S2-W2 121.4055 121.6428 113.2971 113.4968
E1-E2 62.8025 62.7173 -157.0770 -157.1030
E1-W1 313.1341 313.0606 -166.0985 -166.1541
E1-W2 215.7229 215.4969 -159.6201 -159.6568
E2-W1 251.3015 251.3180 -168.3443 -168.4040
E2-W2 153.0076 152.8675 -160.6637 -160.7042
W1-W2 101.7430 101.9082 0.0606 0.0016
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 60907.2578030021
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 23.4916
HIERARCH ISS PBL12 END 23.5055
HIERARCH ISS PBLA12 START 96.8791
HIERARCH ISS PBLA12 END 97.0963
HIERARCH ISS PBL13 START 258.8423
HIERARCH ISS PBL13 END 258.2859
HIERARCH ISS PBLA13 START 54.2059
HIERARCH ISS PBLA13 END 54.3184
HIERARCH ISS PBL14 START 207.746
HIERARCH ISS PBL14 END 207.3597
HIERARCH ISS PBLA14 START 63.2373
HIERARCH ISS PBLA14 END 63.3906
HIERARCH ISS PBL15 START 203.5394
HIERARCH ISS PBL15 END 204.1973
HIERARCH ISS PBLA15 START 138.5554
HIERARCH ISS PBLA15 END 138.6595
HIERARCH ISS PBL16 START 144.0923
HIERARCH ISS PBL16 END 144.3445
HIERARCH ISS PBLA16 START 110.656
HIERARCH ISS PBLA16 END 110.8615
HIERARCH ISS PBL23 START 242.0947
HIERARCH ISS PBL23 END 241.5611
HIERARCH ISS PBLA23 START 50.4348
HIERARCH ISS PBLA23 END 50.5291
HIERARCH ISS PBL24 START 188.6383
HIERARCH ISS PBL24 END 188.2579
HIERARCH ISS PBLA24 START 59.2813
HIERARCH ISS PBLA24 END 59.4175
HIERARCH ISS PBL25 START 186.648
HIERARCH ISS PBL25 END 187.2604
HIERARCH ISS PBLA25 START 143.356
HIERARCH ISS PBLA25 END 143.4365
HIERARCH ISS PBL26 START 121.4055
HIERARCH ISS PBL26 END 121.6428
HIERARCH ISS PBLA26 START 113.2971
HIERARCH ISS PBLA26 END 113.4968
HIERARCH ISS PBL34 START 62.8025
HIERARCH ISS PBL34 END 62.7173
HIERARCH ISS PBLA34 START -157.077
HIERARCH ISS PBLA34 END -157.103
HIERARCH ISS PBL35 START 313.1341
HIERARCH ISS PBL35 END 313.0606
HIERARCH ISS PBLA35 START -166.0985
HIERARCH ISS PBLA35 END -166.1541
HIERARCH ISS PBL36 START 215.7229
HIERARCH ISS PBL36 END 215.4969
HIERARCH ISS PBLA36 START -159.6201
HIERARCH ISS PBLA36 END -159.6568
HIERARCH ISS PBL45 START 251.3015
HIERARCH ISS PBL45 END 251.318
HIERARCH ISS PBLA45 START -168.3443
HIERARCH ISS PBLA45 END -168.404
HIERARCH ISS PBL46 START 153.0076
HIERARCH ISS PBL46 END 152.8675
HIERARCH ISS PBLA46 START -160.6637
HIERARCH ISS PBLA46 END -160.7042
HIERARCH ISS PBL56 START 101.743
HIERARCH ISS PBL56 END 101.9082
HIERARCH ISS PBLA56 START 0.0606
HIERARCH ISS PBLA56 END 0.0016
HIERARCH CHARA TAU0 12.0
HIERARCH CHARA SEEING 1.1