Exposure
ID
MATIS.2025-08-06T06:50:48.112_1
Header ID
MATIS.2025-08-06T06:50:48.112
Date updated
2025-08-06 07:00:44 UTC+0000
Release date
2026-08-06 07:00:43 UTC+0000
UTC Start
2025-08-06 06:50:48.112
UTC End
2025-08-06 06:51:50.122
MJD Start
60893.28527907
MJD End
60893.28599677833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.008747
Ambient temperature (°C)
14.66
Seeing (arcsec)
0.45
Observation
ID
69213
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
51460
Name
HD 218396
RA
346.871592
DEC
21.13407
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 43.2710 43.3590 35.1000 35.2000
U1-U3 81.5650 81.7400 42.3000 42.4000
U1-U4 121.8700 122.0490 68.3940 68.3330
U2-U3 39.0240 39.1060 50.4000 50.4000
U2-U4 88.9310 88.9690 83.8860 83.7950
U3-U4 60.3570 60.2900 104.7870 104.7100
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 60893.28527907
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871592
DEC 21.13407
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 43.271
HIERARCH ESO ISS PBL12 END 43.359
HIERARCH ESO ISS PBLA12 START 35.1
HIERARCH ESO ISS PBLA12 END 35.2
HIERARCH ESO ISS PBL13 START 81.565
HIERARCH ESO ISS PBL13 END 81.74
HIERARCH ESO ISS PBLA13 START 42.3
HIERARCH ESO ISS PBLA13 END 42.4
HIERARCH ESO ISS PBL14 START 121.87
HIERARCH ESO ISS PBL14 END 122.049
HIERARCH ESO ISS PBLA14 START 68.394
HIERARCH ESO ISS PBLA14 END 68.333
HIERARCH ESO ISS PBL23 START 39.024
HIERARCH ESO ISS PBL23 END 39.106
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 88.931
HIERARCH ESO ISS PBL24 END 88.969
HIERARCH ESO ISS PBLA24 START 83.886
HIERARCH ESO ISS PBLA24 END 83.795
HIERARCH ESO ISS PBL34 START 60.357
HIERARCH ESO ISS PBL34 END 60.29
HIERARCH ESO ISS PBLA34 START 104.787
HIERARCH ESO ISS PBLA34 END 104.71
HIERARCH ESO ISS AMBI TAU0 START 0.008747
HIERARCH ESO ISS AMBI TAU0 END 0.008747
HIERARCH ESO ISS AMBI TEMP 14.66
HIERARCH ESO ISS AMBI FWHM START 0.45
HIERARCH ESO ISS AMBI FWHM END 0.45