Exposure
ID
MATIS.2025-08-09T07:14:31.955_1
Header ID
MATIS.2025-08-09T07:14:31.955
Date updated
2025-08-09 07:25:41 UTC+0000
Release date
2026-08-09 07:25:41 UTC+0000
UTC Start
2025-08-09 07:14:31.955
UTC End
2025-08-09 07:15:33.965
MJD Start
60896.30175874
MJD End
60896.302476448334
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.003785
Ambient temperature (°C)
12.31
Seeing (arcsec)
0.66
Observation
ID
69605
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
51696
Name
HD 218396
RA
346.871616
DEC
21.1339
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 46.2200 46.3030 37.0000 37.1000
U1-U3 87.2650 87.4210 43.3000 43.3000
U1-U4 126.8890 127.0020 66.1270 66.0550
U2-U3 41.6240 41.6920 50.2000 50.2000
U2-U4 89.3650 89.3500 80.6880 80.5920
U3-U4 57.4990 57.3970 102.2190 102.1460
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 60896.30175874
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871616
DEC 21.1339
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 46.22
HIERARCH ESO ISS PBL12 END 46.303
HIERARCH ESO ISS PBLA12 START 37.0
HIERARCH ESO ISS PBLA12 END 37.1
HIERARCH ESO ISS PBL13 START 87.265
HIERARCH ESO ISS PBL13 END 87.421
HIERARCH ESO ISS PBLA13 START 43.3
HIERARCH ESO ISS PBLA13 END 43.3
HIERARCH ESO ISS PBL14 START 126.889
HIERARCH ESO ISS PBL14 END 127.002
HIERARCH ESO ISS PBLA14 START 66.127
HIERARCH ESO ISS PBLA14 END 66.055
HIERARCH ESO ISS PBL23 START 41.624
HIERARCH ESO ISS PBL23 END 41.692
HIERARCH ESO ISS PBLA23 START 50.2
HIERARCH ESO ISS PBLA23 END 50.2
HIERARCH ESO ISS PBL24 START 89.365
HIERARCH ESO ISS PBL24 END 89.35
HIERARCH ESO ISS PBLA24 START 80.688
HIERARCH ESO ISS PBLA24 END 80.592
HIERARCH ESO ISS PBL34 START 57.499
HIERARCH ESO ISS PBL34 END 57.397
HIERARCH ESO ISS PBLA34 START 102.219
HIERARCH ESO ISS PBLA34 END 102.146
HIERARCH ESO ISS AMBI TAU0 START 0.003785
HIERARCH ESO ISS AMBI TAU0 END 0.003785
HIERARCH ESO ISS AMBI TEMP 12.31
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.67