Exposure
ID
MATIS.2025-08-10T07:15:17.901_1
Header ID
MATIS.2025-08-10T07:15:17.901
Date updated
2025-08-10 07:25:42 UTC+0000
Release date
2026-08-10 07:25:42 UTC+0000
UTC Start
2025-08-10 07:15:17.901
UTC End
2025-08-10 07:16:19.911
MJD Start
60897.30229052
MJD End
60897.30300822833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.004652
Ambient temperature (°C)
12.23
Seeing (arcsec)
0.46
Observation
ID
69755
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
51793
Name
HD 218396
RA
346.871466
DEC
21.13373
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 46.5950 46.6760 37.2000 37.3000
U1-U3 87.9640 88.1160 43.3000 43.4000
U1-U4 127.3820 127.4850 65.8020 65.7290
U2-U3 41.9290 41.9950 50.1000 50.1000
U2-U4 89.2850 89.2630 80.2560 80.1590
U3-U4 57.0300 56.9240 101.8950 101.8230
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 60897.30229052
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871466
DEC 21.13373
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 46.595
HIERARCH ESO ISS PBL12 END 46.676
HIERARCH ESO ISS PBLA12 START 37.2
HIERARCH ESO ISS PBLA12 END 37.3
HIERARCH ESO ISS PBL13 START 87.964
HIERARCH ESO ISS PBL13 END 88.116
HIERARCH ESO ISS PBLA13 START 43.3
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 127.382
HIERARCH ESO ISS PBL14 END 127.485
HIERARCH ESO ISS PBLA14 START 65.802
HIERARCH ESO ISS PBLA14 END 65.729
HIERARCH ESO ISS PBL23 START 41.929
HIERARCH ESO ISS PBL23 END 41.995
HIERARCH ESO ISS PBLA23 START 50.1
HIERARCH ESO ISS PBLA23 END 50.1
HIERARCH ESO ISS PBL24 START 89.285
HIERARCH ESO ISS PBL24 END 89.263
HIERARCH ESO ISS PBLA24 START 80.256
HIERARCH ESO ISS PBLA24 END 80.159
HIERARCH ESO ISS PBL34 START 57.03
HIERARCH ESO ISS PBL34 END 56.924
HIERARCH ESO ISS PBLA34 START 101.895
HIERARCH ESO ISS PBLA34 END 101.823
HIERARCH ESO ISS AMBI TAU0 START 0.004652
HIERARCH ESO ISS AMBI TAU0 END 0.004652
HIERARCH ESO ISS AMBI TEMP 12.23
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.46