Exposure
ID
MATIS.2025-08-06T09:13:42.058_1
Header ID
MATIS.2025-08-06T09:13:42.058
Date updated
2025-08-06 09:21:15 UTC+0000
Release date
2026-08-06 09:21:15 UTC+0000
UTC Start
2025-08-06 09:13:42.058
UTC End
2025-08-06 09:14:44.068
MJD Start
60893.38451456
MJD End
60893.38523226833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0077740000000000005
Ambient temperature (°C)
14.0
Seeing (arcsec)
0.42000000000000004
Observation
ID
69311
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
51511
Name
HD 218396
RA
346.871655
DEC
21.13408
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 53.2230 53.2730 37.7000 37.6000
U1-U3 99.1620 99.2330 41.4000 41.3000
U1-U4 128.5710 128.4980 56.6280 56.5120
U2-U3 46.1790 46.1990 45.7000 45.6000
U2-U4 80.1190 79.9620 69.0900 68.9530
U3-U4 41.9670 41.7720 95.0190 94.9480
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 60893.38451456
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871655
DEC 21.13408
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 53.223
HIERARCH ESO ISS PBL12 END 53.273
HIERARCH ESO ISS PBLA12 START 37.7
HIERARCH ESO ISS PBLA12 END 37.6
HIERARCH ESO ISS PBL13 START 99.162
HIERARCH ESO ISS PBL13 END 99.233
HIERARCH ESO ISS PBLA13 START 41.4
HIERARCH ESO ISS PBLA13 END 41.3
HIERARCH ESO ISS PBL14 START 128.571
HIERARCH ESO ISS PBL14 END 128.498
HIERARCH ESO ISS PBLA14 START 56.628
HIERARCH ESO ISS PBLA14 END 56.512
HIERARCH ESO ISS PBL23 START 46.179
HIERARCH ESO ISS PBL23 END 46.199
HIERARCH ESO ISS PBLA23 START 45.7
HIERARCH ESO ISS PBLA23 END 45.6
HIERARCH ESO ISS PBL24 START 80.119
HIERARCH ESO ISS PBL24 END 79.962
HIERARCH ESO ISS PBLA24 START 69.09
HIERARCH ESO ISS PBLA24 END 68.953
HIERARCH ESO ISS PBL34 START 41.967
HIERARCH ESO ISS PBL34 END 41.772
HIERARCH ESO ISS PBLA34 START 95.019
HIERARCH ESO ISS PBLA34 END 94.948
HIERARCH ESO ISS AMBI TAU0 START 0.007393
HIERARCH ESO ISS AMBI TAU0 END 0.008155
HIERARCH ESO ISS AMBI TEMP 14.0
HIERARCH ESO ISS AMBI FWHM START 0.44
HIERARCH ESO ISS AMBI FWHM END 0.4