Exposure
ID
SPICA.2025-10-07T04-16-55_1
Header ID
SPICA.2025-10-07T04-16-55
Date updated
2025-10-07 04:15:50 UTC+0000
Release date
None
UTC Start
2025-10-07 04:15:50.476
UTC End
2025-10-07 04:16:50.476
MJD Start
60955.1776675426
MJD End
60955.17836198703
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
70854
Category
science
Program ID
S01
Program Title
TBD
Program Type
Normal
PI / COI
ligi
Target
ID
47856
Name
HD_221345
RA
352.8226
DEC
39.2362
Instrument
Interferometer
CHARA
Instrument
SPICA
Instrument mode
LR
Stations
S2E1E2W1W2
Projected baselines
Baseline Length start Length end Angle start Angle end
S1-S2 33.9201 33.9216 82.4706 82.6220
S1-E1 318.2636 318.4673 51.4906 51.6161
S1-E2 270.9834 271.1059 59.0862 59.2145
S1-W1 274.5135 274.5662 107.7620 107.9677
S2-E1 289.7089 289.9197 48.0355 48.1606
S2-E2 240.2270 240.3541 55.8736 56.0004
S2-W1 244.2750 244.3416 111.1630 111.3747
E1-E2 61.2281 61.3135 -164.3126 -164.1635
E1-W1 282.1804 282.6792 177.4845 177.6604
E2-W1 224.8315 225.2386 172.6044 172.7893
Header: used keywords
Key Value
HIERARCH OBS PROG ID S01
HIERARCH DPR CATG SCIENCE
HIERARCH DPR TYPE OBJECT
MJD-OBS 60955.1776675426
PI-COI ligi
HIERARCH OBS TARG NAME HD_221345
HIERARCH OBS RA 352.8226
HIERARCH OBS DEC 39.2362
HIERARCH INS RESOL LOW
HIERARCH INS CENTRAL WL 720.0
HIERARCH CHARA BASELINE S2E1E2W1W2
HIERARCH DET DIT 0.0199999995529652
HIERARCH DET NDIT 3000
HIERARCH CHARA NB TEL 5
HIERARCH CHARA T1NAME S1
HIERARCH CHARA T2NAME S2
HIERARCH CHARA T3NAME E1
HIERARCH CHARA T4NAME E2
HIERARCH CHARA T5NAME W1
HIERARCH ISS PBL12 START 33.9201
HIERARCH ISS PBL12 END 33.9216
HIERARCH ISS PBLA12 START 82.4706
HIERARCH ISS PBLA12 END 82.622
HIERARCH ISS PBL13 START 318.2636
HIERARCH ISS PBL13 END 318.4673
HIERARCH ISS PBLA13 START 51.4906
HIERARCH ISS PBLA13 END 51.6161
HIERARCH ISS PBL14 START 270.9834
HIERARCH ISS PBL14 END 271.1059
HIERARCH ISS PBLA14 START 59.0862
HIERARCH ISS PBLA14 END 59.2145
HIERARCH ISS PBL15 START 274.5135
HIERARCH ISS PBL15 END 274.5662
HIERARCH ISS PBLA15 START 107.762
HIERARCH ISS PBLA15 END 107.9677
HIERARCH ISS PBL23 START 289.7089
HIERARCH ISS PBL23 END 289.9197
HIERARCH ISS PBLA23 START 48.0355
HIERARCH ISS PBLA23 END 48.1606
HIERARCH ISS PBL24 START 240.227
HIERARCH ISS PBL24 END 240.3541
HIERARCH ISS PBLA24 START 55.8736
HIERARCH ISS PBLA24 END 56.0004
HIERARCH ISS PBL25 START 244.275
HIERARCH ISS PBL25 END 244.3416
HIERARCH ISS PBLA25 START 111.163
HIERARCH ISS PBLA25 END 111.3747
HIERARCH ISS PBL34 START 61.2281
HIERARCH ISS PBL34 END 61.3135
HIERARCH ISS PBLA34 START -164.3126
HIERARCH ISS PBLA34 END -164.1635
HIERARCH ISS PBL35 START 282.1804
HIERARCH ISS PBL35 END 282.6792
HIERARCH ISS PBLA35 START 177.4845
HIERARCH ISS PBLA35 END 177.6604
HIERARCH ISS PBL45 START 224.8315
HIERARCH ISS PBL45 END 225.2386
HIERARCH ISS PBLA45 START 172.6044
HIERARCH ISS PBLA45 END 172.7893
HIERARCH CHARA TAU0 12.0
HIERARCH CHARA SEEING 1.1