Exposure
ID
SPICA.2025-08-17T12-08-17_1
Header ID
SPICA.2025-08-17T12-08-17
Date updated
2025-08-17 12:07:12 UTC+0000
Release date
None
UTC Start
2025-08-17 12:07:12.227
UTC End
2025-08-17 12:08:12.227
MJD Start
60904.5050026263
MJD End
60904.50569707073
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
70046
Category
calibrator
Program ID
ENG
Program Title
TBD
Program Type
Normal
PI / COI
spica
Target
ID
51970
Name
HD_18331
RA
44.15593
DEC
-3.712319
Instrument
Interferometer
CHARA
Instrument
SPICA
Instrument mode
LR
Stations
S1S2E1E2W1W2
Projected baselines
Baseline Length start Length end Angle start Angle end
S1-S2 26.8470 26.8511 92.2968 92.4907
S1-E1 291.1504 290.7305 55.5152 55.6183
S1-E2 237.3825 237.0744 63.4885 63.6205
S1-W1 212.2478 212.8008 130.4738 130.6305
S1-W2 161.5626 161.7208 104.2008 104.4033
S2-E1 270.1267 269.7320 52.1036 52.1938
S2-E2 214.2491 213.9536 60.0266 60.1465
S2-W1 191.8622 192.3981 135.4355 135.5749
S2-W2 135.4062 135.5613 106.5447 106.7465
E1-E2 65.0172 64.9712 -154.9118 -154.9104
E1-W1 312.6394 312.7440 -165.4522 -165.4748
E1-W2 220.8202 220.7258 -157.8201 -157.8277
E2-W1 249.0036 249.1590 -168.1900 -168.2150
E2-W2 155.9217 155.8739 -159.0325 -159.0433
W1-W2 98.2544 98.4640 -2.8188 -2.8304
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 60904.5050026263
PI-COI spica
HIERARCH OBS TARG NAME HD_18331
HIERARCH OBS RA 44.15593
HIERARCH OBS DEC -3.712319
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 26.847
HIERARCH ISS PBL12 END 26.8511
HIERARCH ISS PBLA12 START 92.2968
HIERARCH ISS PBLA12 END 92.4907
HIERARCH ISS PBL13 START 291.1504
HIERARCH ISS PBL13 END 290.7305
HIERARCH ISS PBLA13 START 55.5152
HIERARCH ISS PBLA13 END 55.6183
HIERARCH ISS PBL14 START 237.3825
HIERARCH ISS PBL14 END 237.0744
HIERARCH ISS PBLA14 START 63.4885
HIERARCH ISS PBLA14 END 63.6205
HIERARCH ISS PBL15 START 212.2478
HIERARCH ISS PBL15 END 212.8008
HIERARCH ISS PBLA15 START 130.4738
HIERARCH ISS PBLA15 END 130.6305
HIERARCH ISS PBL16 START 161.5626
HIERARCH ISS PBL16 END 161.7208
HIERARCH ISS PBLA16 START 104.2008
HIERARCH ISS PBLA16 END 104.4033
HIERARCH ISS PBL23 START 270.1267
HIERARCH ISS PBL23 END 269.732
HIERARCH ISS PBLA23 START 52.1036
HIERARCH ISS PBLA23 END 52.1938
HIERARCH ISS PBL24 START 214.2491
HIERARCH ISS PBL24 END 213.9536
HIERARCH ISS PBLA24 START 60.0266
HIERARCH ISS PBLA24 END 60.1465
HIERARCH ISS PBL25 START 191.8622
HIERARCH ISS PBL25 END 192.3981
HIERARCH ISS PBLA25 START 135.4355
HIERARCH ISS PBLA25 END 135.5749
HIERARCH ISS PBL26 START 135.4062
HIERARCH ISS PBL26 END 135.5613
HIERARCH ISS PBLA26 START 106.5447
HIERARCH ISS PBLA26 END 106.7465
HIERARCH ISS PBL34 START 65.0172
HIERARCH ISS PBL34 END 64.9712
HIERARCH ISS PBLA34 START -154.9118
HIERARCH ISS PBLA34 END -154.9104
HIERARCH ISS PBL35 START 312.6394
HIERARCH ISS PBL35 END 312.744
HIERARCH ISS PBLA35 START -165.4522
HIERARCH ISS PBLA35 END -165.4748
HIERARCH ISS PBL36 START 220.8202
HIERARCH ISS PBL36 END 220.7258
HIERARCH ISS PBLA36 START -157.8201
HIERARCH ISS PBLA36 END -157.8277
HIERARCH ISS PBL45 START 249.0036
HIERARCH ISS PBL45 END 249.159
HIERARCH ISS PBLA45 START -168.19
HIERARCH ISS PBLA45 END -168.215
HIERARCH ISS PBL46 START 155.9217
HIERARCH ISS PBL46 END 155.8739
HIERARCH ISS PBLA46 START -159.0325
HIERARCH ISS PBLA46 END -159.0433
HIERARCH ISS PBL56 START 98.2544
HIERARCH ISS PBL56 END 98.464
HIERARCH ISS PBLA56 START -2.8188
HIERARCH ISS PBLA56 END -2.8304
HIERARCH CHARA TAU0 12.0
HIERARCH CHARA SEEING 1.1