Exposure
ID
MATIS.2025-08-10T06:38:58.197_1
Header ID
MATIS.2025-08-10T06:38:58.197
Date updated
2025-08-10 06:45:44 UTC+0000
Release date
2026-08-10 06:45:44 UTC+0000
UTC Start
2025-08-10 06:38:58.197
UTC End
2025-08-10 06:40:00.207
MJD Start
60897.27706246
MJD End
60897.27778016833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.004565
Ambient temperature (°C)
12.3
Seeing (arcsec)
0.445
Observation
ID
69716
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
51773
Name
HD 218396
RA
346.871428
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 43.6020 43.6900 35.4000 35.4000
U1-U3 82.2230 82.3970 42.5000 42.5000
U1-U4 122.5330 122.7040 68.1650 68.1030
U2-U3 39.3330 39.4140 50.4000 50.4000
U2-U4 89.0680 89.1010 83.5430 83.4520
U3-U4 60.1020 60.0320 104.4980 104.4210
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 60897.27706246
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871428
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 43.602
HIERARCH ESO ISS PBL12 END 43.69
HIERARCH ESO ISS PBLA12 START 35.4
HIERARCH ESO ISS PBLA12 END 35.4
HIERARCH ESO ISS PBL13 START 82.223
HIERARCH ESO ISS PBL13 END 82.397
HIERARCH ESO ISS PBLA13 START 42.5
HIERARCH ESO ISS PBLA13 END 42.5
HIERARCH ESO ISS PBL14 START 122.533
HIERARCH ESO ISS PBL14 END 122.704
HIERARCH ESO ISS PBLA14 START 68.165
HIERARCH ESO ISS PBLA14 END 68.103
HIERARCH ESO ISS PBL23 START 39.333
HIERARCH ESO ISS PBL23 END 39.414
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 89.068
HIERARCH ESO ISS PBL24 END 89.101
HIERARCH ESO ISS PBLA24 START 83.543
HIERARCH ESO ISS PBLA24 END 83.452
HIERARCH ESO ISS PBL34 START 60.102
HIERARCH ESO ISS PBL34 END 60.032
HIERARCH ESO ISS PBLA34 START 104.498
HIERARCH ESO ISS PBLA34 END 104.421
HIERARCH ESO ISS AMBI TAU0 START 0.004706
HIERARCH ESO ISS AMBI TAU0 END 0.004424
HIERARCH ESO ISS AMBI TEMP 12.3
HIERARCH ESO ISS AMBI FWHM START 0.44
HIERARCH ESO ISS AMBI FWHM END 0.45