Exposure
ID
MATIS.2025-08-09T07:04:47.555_1
Header ID
MATIS.2025-08-09T07:04:47.555
Date updated
2025-08-09 07:15:43 UTC+0000
Release date
2026-08-09 07:15:42 UTC+0000
UTC Start
2025-08-09 07:04:47.555
UTC End
2025-08-09 07:05:49.565
MJD Start
60896.29499485
MJD End
60896.295712558334
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0050565
Ambient temperature (°C)
12.53
Seeing (arcsec)
0.64
Observation
ID
69594
Category
science
Program ID
115.28GN.001
Program Title
MID-INFRARED STUDY OF THE PLANETARY ATMOSPHERES OF THE HR 8799 SYSTEM
Program Type
Normal
PI / COI
HOULLÉ / MILLOUR / SCIGLIUTO / LOPEZ
Target
ID
51690
Name
HD 218396
RA
346.87161
DEC
21.1339
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 45.4320 45.5160 36.6000 36.7000
U1-U3 85.7760 85.9370 43.1000 43.1000
U1-U4 125.7430 125.8730 66.7850 66.7170
U2-U3 40.9620 41.0340 50.3000 50.3000
U2-U4 89.4290 89.4290 81.5790 81.4850
U3-U4 58.4010 58.3100 102.9040 102.8310
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28GN.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT
MJD-OBS 60896.29499485
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.87161
DEC 21.1339
HIERARCH ESO DET NAME MATISSE-N
HIERARCH ESO INS DIN NAME LOW
HIERARCH ESO INS DIN ID LOW
HIERARCH ESO INS MODE HYBRID
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 U1
HIERARCH ESO ISS CONF STATION2 U2
HIERARCH ESO ISS CONF STATION3 U3
HIERARCH ESO ISS CONF STATION4 U4
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2385
HIERARCH ESO ISS PBL12 START 45.432
HIERARCH ESO ISS PBL12 END 45.516
HIERARCH ESO ISS PBLA12 START 36.6
HIERARCH ESO ISS PBLA12 END 36.7
HIERARCH ESO ISS PBL13 START 85.776
HIERARCH ESO ISS PBL13 END 85.937
HIERARCH ESO ISS PBLA13 START 43.1
HIERARCH ESO ISS PBLA13 END 43.1
HIERARCH ESO ISS PBL14 START 125.743
HIERARCH ESO ISS PBL14 END 125.873
HIERARCH ESO ISS PBLA14 START 66.785
HIERARCH ESO ISS PBLA14 END 66.717
HIERARCH ESO ISS PBL23 START 40.962
HIERARCH ESO ISS PBL23 END 41.034
HIERARCH ESO ISS PBLA23 START 50.3
HIERARCH ESO ISS PBLA23 END 50.3
HIERARCH ESO ISS PBL24 START 89.429
HIERARCH ESO ISS PBL24 END 89.429
HIERARCH ESO ISS PBLA24 START 81.579
HIERARCH ESO ISS PBLA24 END 81.485
HIERARCH ESO ISS PBL34 START 58.401
HIERARCH ESO ISS PBL34 END 58.31
HIERARCH ESO ISS PBLA34 START 102.904
HIERARCH ESO ISS PBLA34 END 102.831
HIERARCH ESO ISS AMBI TAU0 START 0.004822
HIERARCH ESO ISS AMBI TAU0 END 0.005291
HIERARCH ESO ISS AMBI TEMP 12.53
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.64