Exposure
ID
SPICA.2025-08-16T07-31-30_1
Header ID
SPICA.2025-08-16T07-31-30
Date updated
2025-08-16 07:30:25 UTC+0000
Release date
None
UTC Start
2025-08-16 07:30:25.740
UTC End
2025-08-16 07:31:25.740
MJD Start
60903.3127979157
MJD End
60903.31349236013
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
64011
Category
science
Program ID
S01
Program Title
TBD
Program Type
Normal
PI / COI
ligi
Target
ID
47673
Name
HD_222439
RA
355.1021
DEC
44.33393
Instrument
Interferometer
CHARA
Instrument
SPICA
Instrument mode
LR
Stations
S1S2E1E2W1W2
Projected baselines
Baseline Length start Length end Angle start Angle end
S1-S2 33.4389 33.4428 79.6971 79.8492
S1-E1 306.7594 307.0373 48.1214 48.2530
S1-E2 262.3342 262.5120 55.9919 56.1238
S1-W1 277.0879 277.1108 103.9377 104.1462
S1-W2 209.8612 209.8641 87.6509 87.8206
S2-E1 278.8215 279.1025 44.5210 44.6537
S2-E2 232.1063 232.2857 52.6715 52.8029
S2-W1 246.9792 247.0138 107.1243 107.3397
S2-W2 176.8046 176.8052 89.1506 89.3237
E1-E2 59.0737 59.1704 -169.3307 -169.1589
E1-W1 274.5280 275.0338 171.5103 171.7155
E1-W2 197.0678 197.4099 -174.5502 -174.3703
E2-W1 219.5838 219.9854 166.4450 166.6596
E2-W2 138.3435 138.5884 -176.7764 -176.5927
W1-W2 95.8463 95.9783 -38.1794 -37.9281
Header: used keywords
Key Value
HIERARCH OBS PROG ID S01
HIERARCH DPR CATG SCIENCE
HIERARCH DPR TYPE OBJECT
MJD-OBS 60903.3127979157
PI-COI ligi
HIERARCH OBS TARG NAME HD_222439
HIERARCH OBS RA 355.1021
HIERARCH OBS DEC 44.33393
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 33.4389
HIERARCH ISS PBL12 END 33.4428
HIERARCH ISS PBLA12 START 79.6971
HIERARCH ISS PBLA12 END 79.8492
HIERARCH ISS PBL13 START 306.7594
HIERARCH ISS PBL13 END 307.0373
HIERARCH ISS PBLA13 START 48.1214
HIERARCH ISS PBLA13 END 48.253
HIERARCH ISS PBL14 START 262.3342
HIERARCH ISS PBL14 END 262.512
HIERARCH ISS PBLA14 START 55.9919
HIERARCH ISS PBLA14 END 56.1238
HIERARCH ISS PBL15 START 277.0879
HIERARCH ISS PBL15 END 277.1108
HIERARCH ISS PBLA15 START 103.9377
HIERARCH ISS PBLA15 END 104.1462
HIERARCH ISS PBL16 START 209.8612
HIERARCH ISS PBL16 END 209.8641
HIERARCH ISS PBLA16 START 87.6509
HIERARCH ISS PBLA16 END 87.8206
HIERARCH ISS PBL23 START 278.8215
HIERARCH ISS PBL23 END 279.1025
HIERARCH ISS PBLA23 START 44.521
HIERARCH ISS PBLA23 END 44.6537
HIERARCH ISS PBL24 START 232.1063
HIERARCH ISS PBL24 END 232.2857
HIERARCH ISS PBLA24 START 52.6715
HIERARCH ISS PBLA24 END 52.8029
HIERARCH ISS PBL25 START 246.9792
HIERARCH ISS PBL25 END 247.0138
HIERARCH ISS PBLA25 START 107.1243
HIERARCH ISS PBLA25 END 107.3397
HIERARCH ISS PBL26 START 176.8046
HIERARCH ISS PBL26 END 176.8052
HIERARCH ISS PBLA26 START 89.1506
HIERARCH ISS PBLA26 END 89.3237
HIERARCH ISS PBL34 START 59.0737
HIERARCH ISS PBL34 END 59.1704
HIERARCH ISS PBLA34 START -169.3307
HIERARCH ISS PBLA34 END -169.1589
HIERARCH ISS PBL35 START 274.528
HIERARCH ISS PBL35 END 275.0338
HIERARCH ISS PBLA35 START 171.5103
HIERARCH ISS PBLA35 END 171.7155
HIERARCH ISS PBL36 START 197.0678
HIERARCH ISS PBL36 END 197.4099
HIERARCH ISS PBLA36 START -174.5502
HIERARCH ISS PBLA36 END -174.3703
HIERARCH ISS PBL45 START 219.5838
HIERARCH ISS PBL45 END 219.9854
HIERARCH ISS PBLA45 START 166.445
HIERARCH ISS PBLA45 END 166.6596
HIERARCH ISS PBL46 START 138.3435
HIERARCH ISS PBL46 END 138.5884
HIERARCH ISS PBLA46 START -176.7764
HIERARCH ISS PBLA46 END -176.5927
HIERARCH ISS PBL56 START 95.8463
HIERARCH ISS PBL56 END 95.9783
HIERARCH ISS PBLA56 START -38.1794
HIERARCH ISS PBLA56 END -37.9281
HIERARCH CHARA TAU0 12.0
HIERARCH CHARA SEEING 1.1