Exposure
ID
MATIS.2025-08-10T08:09:32.874_1
Header ID
MATIS.2025-08-10T08:09:32.874
Date updated
2025-08-10 08:15:42 UTC+0000
Release date
2026-08-10 08:15:42 UTC+0000
UTC Start
2025-08-10 08:09:32.874
UTC End
2025-08-10 08:10:34.884
MJD Start
60897.33996382
MJD End
60897.34068152833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.003626
Ambient temperature (°C)
11.72
Seeing (arcsec)
0.455
Observation
ID
69799
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
51817
Name
HD 218396
RA
346.871495
DEC
21.13374
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 50.5060 50.5720 38.2000 38.2000
U1-U3 94.8850 94.9960 43.0000 43.0000
U1-U4 130.2020 130.2070 61.4760 61.3840
U2-U3 44.7530 44.7940 48.4000 48.4000
U2-U4 86.1270 86.0290 74.8530 74.7410
U3-U4 50.1790 50.0230 98.2470 98.1790
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 60897.33996382
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871495
DEC 21.13374
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 50.506
HIERARCH ESO ISS PBL12 END 50.572
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 94.885
HIERARCH ESO ISS PBL13 END 94.996
HIERARCH ESO ISS PBLA13 START 43.0
HIERARCH ESO ISS PBLA13 END 43.0
HIERARCH ESO ISS PBL14 START 130.202
HIERARCH ESO ISS PBL14 END 130.207
HIERARCH ESO ISS PBLA14 START 61.476
HIERARCH ESO ISS PBLA14 END 61.384
HIERARCH ESO ISS PBL23 START 44.753
HIERARCH ESO ISS PBL23 END 44.794
HIERARCH ESO ISS PBLA23 START 48.4
HIERARCH ESO ISS PBLA23 END 48.4
HIERARCH ESO ISS PBL24 START 86.127
HIERARCH ESO ISS PBL24 END 86.029
HIERARCH ESO ISS PBLA24 START 74.853
HIERARCH ESO ISS PBLA24 END 74.741
HIERARCH ESO ISS PBL34 START 50.179
HIERARCH ESO ISS PBL34 END 50.023
HIERARCH ESO ISS PBLA34 START 98.247
HIERARCH ESO ISS PBLA34 END 98.179
HIERARCH ESO ISS AMBI TAU0 START 0.003537
HIERARCH ESO ISS AMBI TAU0 END 0.003715
HIERARCH ESO ISS AMBI TEMP 11.72
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.45