Exposure
ID
MATIS.2025-08-09T07:26:01.267_1
Header ID
MATIS.2025-08-09T07:26:01.267
Date updated
2025-08-09 07:35:45 UTC+0000
Release date
2026-08-09 07:35:45 UTC+0000
UTC Start
2025-08-09 07:26:01.267
UTC End
2025-08-09 07:27:03.277
MJD Start
60896.30973689
MJD End
60896.31045459833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.005993
Ambient temperature (°C)
12.21
Seeing (arcsec)
0.58
Observation
ID
69614
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
51700
Name
HD 218396
RA
346.871621
DEC
21.13388
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 47.1270 47.2070 37.5000 37.5000
U1-U3 88.9460 89.0930 43.4000 43.4000
U1-U4 128.0220 128.1120 65.3120 65.2370
U2-U3 42.3540 42.4160 50.0000 50.0000
U2-U4 89.1140 89.0820 79.6150 79.5180
U3-U4 56.3180 56.2060 101.4220 101.3520
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 60896.30973689
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871621
DEC 21.13388
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 47.127
HIERARCH ESO ISS PBL12 END 47.207
HIERARCH ESO ISS PBLA12 START 37.5
HIERARCH ESO ISS PBLA12 END 37.5
HIERARCH ESO ISS PBL13 START 88.946
HIERARCH ESO ISS PBL13 END 89.093
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 128.022
HIERARCH ESO ISS PBL14 END 128.112
HIERARCH ESO ISS PBLA14 START 65.312
HIERARCH ESO ISS PBLA14 END 65.237
HIERARCH ESO ISS PBL23 START 42.354
HIERARCH ESO ISS PBL23 END 42.416
HIERARCH ESO ISS PBLA23 START 50.0
HIERARCH ESO ISS PBLA23 END 50.0
HIERARCH ESO ISS PBL24 START 89.114
HIERARCH ESO ISS PBL24 END 89.082
HIERARCH ESO ISS PBLA24 START 79.615
HIERARCH ESO ISS PBLA24 END 79.518
HIERARCH ESO ISS PBL34 START 56.318
HIERARCH ESO ISS PBL34 END 56.206
HIERARCH ESO ISS PBLA34 START 101.422
HIERARCH ESO ISS PBLA34 END 101.352
HIERARCH ESO ISS AMBI TAU0 START 0.005993
HIERARCH ESO ISS AMBI TAU0 END 0.005993
HIERARCH ESO ISS AMBI TEMP 12.21
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.58