Exposure
ID
MATIS.2025-07-10T09:19:19.316_1
Header ID
MATIS.2025-07-10T09:19:19.316
Date updated
2025-07-10 09:25:44 UTC+0000
Release date
2026-07-10 09:25:44 UTC+0000
UTC Start
2025-07-10 09:19:19.316
UTC End
2025-07-10 09:20:21.326
MJD Start
60866.38841801
MJD End
60866.38913571833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.005027
Ambient temperature (°C)
12.77
Seeing (arcsec)
0.59
Observation
ID
68560
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
50992
Name
HD 218396
RA
346.87096
DEC
21.13427
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 46.7630 46.8470 37.3000 37.3000
U1-U3 88.2760 88.4310 43.4000 43.4000
U1-U4 127.5920 127.6940 65.6520 65.5760
U2-U3 42.0650 42.1320 50.1000 50.1000
U2-U4 89.2380 89.2130 80.0580 79.9590
U3-U4 56.8120 56.7010 101.7490 101.6760
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 60866.38841801
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.87096
DEC 21.13427
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 46.763
HIERARCH ESO ISS PBL12 END 46.847
HIERARCH ESO ISS PBLA12 START 37.3
HIERARCH ESO ISS PBLA12 END 37.3
HIERARCH ESO ISS PBL13 START 88.276
HIERARCH ESO ISS PBL13 END 88.431
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 127.592
HIERARCH ESO ISS PBL14 END 127.694
HIERARCH ESO ISS PBLA14 START 65.652
HIERARCH ESO ISS PBLA14 END 65.576
HIERARCH ESO ISS PBL23 START 42.065
HIERARCH ESO ISS PBL23 END 42.132
HIERARCH ESO ISS PBLA23 START 50.1
HIERARCH ESO ISS PBLA23 END 50.1
HIERARCH ESO ISS PBL24 START 89.238
HIERARCH ESO ISS PBL24 END 89.213
HIERARCH ESO ISS PBLA24 START 80.058
HIERARCH ESO ISS PBLA24 END 79.959
HIERARCH ESO ISS PBL34 START 56.812
HIERARCH ESO ISS PBL34 END 56.701
HIERARCH ESO ISS PBLA34 START 101.749
HIERARCH ESO ISS PBLA34 END 101.676
HIERARCH ESO ISS AMBI TAU0 START 0.005027
HIERARCH ESO ISS AMBI TAU0 END 0.005027
HIERARCH ESO ISS AMBI TEMP 12.77
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.59