Exposure
ID
SPICA.2025-08-20T06-11-13_1
Header ID
SPICA.2025-08-20T06-11-13
Date updated
2025-08-20 06:10:08 UTC+0000
Release date
None
UTC Start
2025-08-20 06:10:08.054
UTC End
2025-08-20 06:11:08.054
MJD Start
60907.2570376664
MJD End
60907.25773211083
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 23.4779 23.4913 96.6575 96.8751
S1-E1 259.4086 258.8525 54.0927 54.2039
S1-E2 208.1405 207.7531 63.0825 63.2345
S1-W1 202.8680 203.5273 138.4480 138.5535
S1-W2 143.8375 144.0877 110.4455 110.6522
S2-E1 242.6371 242.1045 50.3399 50.4331
S2-E2 189.0261 188.6453 59.1438 59.2788
S2-W1 186.0223 186.6367 143.2727 143.3545
S2-W2 121.1654 121.4011 113.0924 113.2934
E1-E2 62.8881 62.8040 -157.0500 -157.0765
E1-W1 313.2024 313.1354 -166.0416 -166.0975
E1-W2 215.9487 215.7270 -159.5824 -159.6194
E2-W1 251.2795 251.3012 -168.2833 -168.3432
E2-W2 153.1472 153.0101 -160.6220 -160.6629
W1-W2 101.5725 101.7399 0.1208 0.0617
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 60907.2570376664
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 23.4779
HIERARCH ISS PBL12 END 23.4913
HIERARCH ISS PBLA12 START 96.6575
HIERARCH ISS PBLA12 END 96.8751
HIERARCH ISS PBL13 START 259.4086
HIERARCH ISS PBL13 END 258.8525
HIERARCH ISS PBLA13 START 54.0927
HIERARCH ISS PBLA13 END 54.2039
HIERARCH ISS PBL14 START 208.1405
HIERARCH ISS PBL14 END 207.7531
HIERARCH ISS PBLA14 START 63.0825
HIERARCH ISS PBLA14 END 63.2345
HIERARCH ISS PBL15 START 202.868
HIERARCH ISS PBL15 END 203.5273
HIERARCH ISS PBLA15 START 138.448
HIERARCH ISS PBLA15 END 138.5535
HIERARCH ISS PBL16 START 143.8375
HIERARCH ISS PBL16 END 144.0877
HIERARCH ISS PBLA16 START 110.4455
HIERARCH ISS PBLA16 END 110.6522
HIERARCH ISS PBL23 START 242.6371
HIERARCH ISS PBL23 END 242.1045
HIERARCH ISS PBLA23 START 50.3399
HIERARCH ISS PBLA23 END 50.4331
HIERARCH ISS PBL24 START 189.0261
HIERARCH ISS PBL24 END 188.6453
HIERARCH ISS PBLA24 START 59.1438
HIERARCH ISS PBLA24 END 59.2788
HIERARCH ISS PBL25 START 186.0223
HIERARCH ISS PBL25 END 186.6367
HIERARCH ISS PBLA25 START 143.2727
HIERARCH ISS PBLA25 END 143.3545
HIERARCH ISS PBL26 START 121.1654
HIERARCH ISS PBL26 END 121.4011
HIERARCH ISS PBLA26 START 113.0924
HIERARCH ISS PBLA26 END 113.2934
HIERARCH ISS PBL34 START 62.8881
HIERARCH ISS PBL34 END 62.804
HIERARCH ISS PBLA34 START -157.05
HIERARCH ISS PBLA34 END -157.0765
HIERARCH ISS PBL35 START 313.2024
HIERARCH ISS PBL35 END 313.1354
HIERARCH ISS PBLA35 START -166.0416
HIERARCH ISS PBLA35 END -166.0975
HIERARCH ISS PBL36 START 215.9487
HIERARCH ISS PBL36 END 215.727
HIERARCH ISS PBLA36 START -159.5824
HIERARCH ISS PBLA36 END -159.6194
HIERARCH ISS PBL45 START 251.2795
HIERARCH ISS PBL45 END 251.3012
HIERARCH ISS PBLA45 START -168.2833
HIERARCH ISS PBLA45 END -168.3432
HIERARCH ISS PBL46 START 153.1472
HIERARCH ISS PBL46 END 153.0101
HIERARCH ISS PBLA46 START -160.622
HIERARCH ISS PBLA46 END -160.6629
HIERARCH ISS PBL56 START 101.5725
HIERARCH ISS PBL56 END 101.7399
HIERARCH ISS PBLA56 START 0.1208
HIERARCH ISS PBLA56 END 0.0617
HIERARCH CHARA TAU0 12.0
HIERARCH CHARA SEEING 1.1