Exposure
ID
SPICA.2025-08-20T06-15-37_1
Header ID
SPICA.2025-08-20T06-15-37
Date updated
2025-08-20 06:14:32 UTC+0000
Release date
None
UTC Start
2025-08-20 06:14:32.517
UTC End
2025-08-20 06:15:32.517
MJD Start
60907.2600985711
MJD End
60907.260793015535
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 23.5353 23.5505 97.5410 97.7568
S1-E1 257.1417 256.5843 54.5531 54.6692
S1-E2 206.5699 206.1873 63.7090 63.8658
S1-W1 205.5444 206.1978 138.8686 138.9682
S1-W2 144.8689 145.1272 111.2797 111.4814
S2-E1 240.4618 239.9252 50.7265 50.8244
S2-E2 187.4782 187.0995 59.7011 59.8411
S2-W1 188.5124 189.1188 143.5977 143.6743
S2-W2 122.1350 122.3767 113.9028 114.0983
E1-E2 62.5385 62.4498 -157.1551 -157.1798
E1-W1 312.8898 312.7970 -166.2675 -166.3223
E1-W2 215.0200 214.7815 -159.7308 -159.7663
E2-W1 251.3357 251.3365 -168.5259 -168.5849
E2-W2 152.5705 152.4215 -160.7863 -160.8258
W1-W2 102.2409 102.3995 -0.1193 -0.1780
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 60907.2600985711
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 23.5353
HIERARCH ISS PBL12 END 23.5505
HIERARCH ISS PBLA12 START 97.541
HIERARCH ISS PBLA12 END 97.7568
HIERARCH ISS PBL13 START 257.1417
HIERARCH ISS PBL13 END 256.5843
HIERARCH ISS PBLA13 START 54.5531
HIERARCH ISS PBLA13 END 54.6692
HIERARCH ISS PBL14 START 206.5699
HIERARCH ISS PBL14 END 206.1873
HIERARCH ISS PBLA14 START 63.709
HIERARCH ISS PBLA14 END 63.8658
HIERARCH ISS PBL15 START 205.5444
HIERARCH ISS PBL15 END 206.1978
HIERARCH ISS PBLA15 START 138.8686
HIERARCH ISS PBLA15 END 138.9682
HIERARCH ISS PBL16 START 144.8689
HIERARCH ISS PBL16 END 145.1272
HIERARCH ISS PBLA16 START 111.2797
HIERARCH ISS PBLA16 END 111.4814
HIERARCH ISS PBL23 START 240.4618
HIERARCH ISS PBL23 END 239.9252
HIERARCH ISS PBLA23 START 50.7265
HIERARCH ISS PBLA23 END 50.8244
HIERARCH ISS PBL24 START 187.4782
HIERARCH ISS PBL24 END 187.0995
HIERARCH ISS PBLA24 START 59.7011
HIERARCH ISS PBLA24 END 59.8411
HIERARCH ISS PBL25 START 188.5124
HIERARCH ISS PBL25 END 189.1188
HIERARCH ISS PBLA25 START 143.5977
HIERARCH ISS PBLA25 END 143.6743
HIERARCH ISS PBL26 START 122.135
HIERARCH ISS PBL26 END 122.3767
HIERARCH ISS PBLA26 START 113.9028
HIERARCH ISS PBLA26 END 114.0983
HIERARCH ISS PBL34 START 62.5385
HIERARCH ISS PBL34 END 62.4498
HIERARCH ISS PBLA34 START -157.1551
HIERARCH ISS PBLA34 END -157.1798
HIERARCH ISS PBL35 START 312.8898
HIERARCH ISS PBL35 END 312.797
HIERARCH ISS PBLA35 START -166.2675
HIERARCH ISS PBLA35 END -166.3223
HIERARCH ISS PBL36 START 215.02
HIERARCH ISS PBL36 END 214.7815
HIERARCH ISS PBLA36 START -159.7308
HIERARCH ISS PBLA36 END -159.7663
HIERARCH ISS PBL45 START 251.3357
HIERARCH ISS PBL45 END 251.3365
HIERARCH ISS PBLA45 START -168.5259
HIERARCH ISS PBLA45 END -168.5849
HIERARCH ISS PBL46 START 152.5705
HIERARCH ISS PBL46 END 152.4215
HIERARCH ISS PBLA46 START -160.7863
HIERARCH ISS PBLA46 END -160.8258
HIERARCH ISS PBL56 START 102.2409
HIERARCH ISS PBL56 END 102.3995
HIERARCH ISS PBLA56 START -0.1193
HIERARCH ISS PBLA56 END -0.178
HIERARCH CHARA TAU0 12.0
HIERARCH CHARA SEEING 1.1