Exposure
ID
SPICA.2025-08-20T06-09-00_1
Header ID
SPICA.2025-08-20T06-09-00
Date updated
2025-08-20 06:07:55 UTC+0000
Release date
None
UTC Start
2025-08-20 06:07:55.810
UTC End
2025-08-20 06:08:55.810
MJD Start
60907.2555070594
MJD End
60907.256201503835
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 23.4518 23.4644 96.2131 96.4315
S1-E1 260.5395 259.9844 53.8698 53.9787
S1-E2 208.9329 208.5432 62.7765 62.9262
S1-W1 201.5213 202.1833 138.2284 138.3370
S1-W2 143.3343 143.5803 110.0208 110.2300
S2-E1 243.7182 243.1878 50.1536 50.2445
S2-E2 189.8028 189.4212 58.8727 59.0052
S2-W1 184.7654 185.3836 143.1019 143.1865
S2-W2 120.6901 120.9227 112.6789 112.8827
E1-E2 63.0557 62.9740 -156.9947 -157.0221
E1-W1 313.3195 313.2653 -165.9269 -165.9834
E1-W2 216.3875 216.1742 -159.5058 -159.5436
E2-W1 251.2193 251.2515 -168.1604 -168.2209
E2-W2 153.4173 153.2862 -160.5376 -160.5792
W1-W2 101.2247 101.3966 0.2414 0.1821
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 60907.2555070594
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 23.4518
HIERARCH ISS PBL12 END 23.4644
HIERARCH ISS PBLA12 START 96.2131
HIERARCH ISS PBLA12 END 96.4315
HIERARCH ISS PBL13 START 260.5395
HIERARCH ISS PBL13 END 259.9844
HIERARCH ISS PBLA13 START 53.8698
HIERARCH ISS PBLA13 END 53.9787
HIERARCH ISS PBL14 START 208.9329
HIERARCH ISS PBL14 END 208.5432
HIERARCH ISS PBLA14 START 62.7765
HIERARCH ISS PBLA14 END 62.9262
HIERARCH ISS PBL15 START 201.5213
HIERARCH ISS PBL15 END 202.1833
HIERARCH ISS PBLA15 START 138.2284
HIERARCH ISS PBLA15 END 138.337
HIERARCH ISS PBL16 START 143.3343
HIERARCH ISS PBL16 END 143.5803
HIERARCH ISS PBLA16 START 110.0208
HIERARCH ISS PBLA16 END 110.23
HIERARCH ISS PBL23 START 243.7182
HIERARCH ISS PBL23 END 243.1878
HIERARCH ISS PBLA23 START 50.1536
HIERARCH ISS PBLA23 END 50.2445
HIERARCH ISS PBL24 START 189.8028
HIERARCH ISS PBL24 END 189.4212
HIERARCH ISS PBLA24 START 58.8727
HIERARCH ISS PBLA24 END 59.0052
HIERARCH ISS PBL25 START 184.7654
HIERARCH ISS PBL25 END 185.3836
HIERARCH ISS PBLA25 START 143.1019
HIERARCH ISS PBLA25 END 143.1865
HIERARCH ISS PBL26 START 120.6901
HIERARCH ISS PBL26 END 120.9227
HIERARCH ISS PBLA26 START 112.6789
HIERARCH ISS PBLA26 END 112.8827
HIERARCH ISS PBL34 START 63.0557
HIERARCH ISS PBL34 END 62.974
HIERARCH ISS PBLA34 START -156.9947
HIERARCH ISS PBLA34 END -157.0221
HIERARCH ISS PBL35 START 313.3195
HIERARCH ISS PBL35 END 313.2653
HIERARCH ISS PBLA35 START -165.9269
HIERARCH ISS PBLA35 END -165.9834
HIERARCH ISS PBL36 START 216.3875
HIERARCH ISS PBL36 END 216.1742
HIERARCH ISS PBLA36 START -159.5058
HIERARCH ISS PBLA36 END -159.5436
HIERARCH ISS PBL45 START 251.2193
HIERARCH ISS PBL45 END 251.2515
HIERARCH ISS PBLA45 START -168.1604
HIERARCH ISS PBLA45 END -168.2209
HIERARCH ISS PBL46 START 153.4173
HIERARCH ISS PBL46 END 153.2862
HIERARCH ISS PBLA46 START -160.5376
HIERARCH ISS PBLA46 END -160.5792
HIERARCH ISS PBL56 START 101.2247
HIERARCH ISS PBL56 END 101.3966
HIERARCH ISS PBLA56 START 0.2414
HIERARCH ISS PBLA56 END 0.1821
HIERARCH CHARA TAU0 12.0
HIERARCH CHARA SEEING 1.1