Exposure
ID
MATIS.2025-08-07T07:08:40.177_1
Header ID
MATIS.2025-08-07T07:08:40.177
Date updated
2025-08-07 07:15:45 UTC+0000
Release date
2026-08-07 07:15:45 UTC+0000
UTC Start
2025-08-07 07:08:40.177
UTC End
2025-08-07 07:09:42.187
MJD Start
60894.29768723
MJD End
60894.29840493833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.008336
Ambient temperature (°C)
13.33
Seeing (arcsec)
0.605
Observation
ID
69447
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
51596
Name
HD 218396
RA
346.871657
DEC
21.13409
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 45.1050 45.1900 36.4000 36.5000
U1-U3 85.1510 85.3150 43.0000 43.1000
U1-U4 125.2250 125.3630 67.0490 66.9810
U2-U3 40.6810 40.7540 50.4000 50.4000
U2-U4 89.4150 89.4210 81.9420 81.8490
U3-U4 58.7440 58.6560 103.1910 103.1170
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 60894.29768723
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871657
DEC 21.13409
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 45.105
HIERARCH ESO ISS PBL12 END 45.19
HIERARCH ESO ISS PBLA12 START 36.4
HIERARCH ESO ISS PBLA12 END 36.5
HIERARCH ESO ISS PBL13 START 85.151
HIERARCH ESO ISS PBL13 END 85.315
HIERARCH ESO ISS PBLA13 START 43.0
HIERARCH ESO ISS PBLA13 END 43.1
HIERARCH ESO ISS PBL14 START 125.225
HIERARCH ESO ISS PBL14 END 125.363
HIERARCH ESO ISS PBLA14 START 67.049
HIERARCH ESO ISS PBLA14 END 66.981
HIERARCH ESO ISS PBL23 START 40.681
HIERARCH ESO ISS PBL23 END 40.754
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 89.415
HIERARCH ESO ISS PBL24 END 89.421
HIERARCH ESO ISS PBLA24 START 81.942
HIERARCH ESO ISS PBLA24 END 81.849
HIERARCH ESO ISS PBL34 START 58.744
HIERARCH ESO ISS PBL34 END 58.656
HIERARCH ESO ISS PBLA34 START 103.191
HIERARCH ESO ISS PBLA34 END 103.117
HIERARCH ESO ISS AMBI TAU0 START 0.008641
HIERARCH ESO ISS AMBI TAU0 END 0.008031
HIERARCH ESO ISS AMBI TEMP 13.33
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.6