Exposure
ID
MATIS.2025-08-11T07:23:31.372_1
Header ID
MATIS.2025-08-11T07:23:31.372
Date updated
2025-08-11 07:35:43 UTC+0000
Release date
2026-08-11 07:35:43 UTC+0000
UTC Start
2025-08-11 07:23:31.372
UTC End
2025-08-11 07:24:37.816
MJD Start
60898.30800199
MJD End
60898.30877101778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.0049695
Ambient temperature (°C)
15.07
Seeing (arcsec)
0.425
Observation
ID
69893
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
51874
Name
HD 218396
RA
346.871633
DEC
21.1337
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_MEDIUM
Instrument sub-mode
HYBRID
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 47.5390 47.6350 37.6000 37.7000
U1-U3 89.6980 89.8730 43.4000 43.4000
U1-U4 128.4670 128.5650 64.9220 64.8280
U2-U3 42.6740 42.7480 49.9000 49.9000
U2-U4 88.9320 88.8830 79.1110 78.9900
U3-U4 55.7260 55.5820 101.0600 100.9740
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 60898.30800199
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871633
DEC 21.1337
HIERARCH ESO DET NAME MATISSE-LM
HIERARCH ESO INS FIL NAME LM
HIERARCH ESO INS FIL ID LM
HIERARCH ESO INS DIL NAME MED
HIERARCH ESO INS DIL ID MED
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 10.0
HIERARCH ESO DET SEQ1 PERIOD 11.074
HIERARCH ESO DET NDIT 6
HIERARCH ESO ISS PBL12 START 47.539
HIERARCH ESO ISS PBL12 END 47.635
HIERARCH ESO ISS PBLA12 START 37.6
HIERARCH ESO ISS PBLA12 END 37.7
HIERARCH ESO ISS PBL13 START 89.698
HIERARCH ESO ISS PBL13 END 89.873
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 128.467
HIERARCH ESO ISS PBL14 END 128.565
HIERARCH ESO ISS PBLA14 START 64.922
HIERARCH ESO ISS PBLA14 END 64.828
HIERARCH ESO ISS PBL23 START 42.674
HIERARCH ESO ISS PBL23 END 42.748
HIERARCH ESO ISS PBLA23 START 49.9
HIERARCH ESO ISS PBLA23 END 49.9
HIERARCH ESO ISS PBL24 START 88.932
HIERARCH ESO ISS PBL24 END 88.883
HIERARCH ESO ISS PBLA24 START 79.111
HIERARCH ESO ISS PBLA24 END 78.99
HIERARCH ESO ISS PBL34 START 55.726
HIERARCH ESO ISS PBL34 END 55.582
HIERARCH ESO ISS PBLA34 START 101.06
HIERARCH ESO ISS PBLA34 END 100.974
HIERARCH ESO ISS AMBI TAU0 START 0.005105
HIERARCH ESO ISS AMBI TAU0 END 0.004834
HIERARCH ESO ISS AMBI TEMP 15.07
HIERARCH ESO ISS AMBI FWHM START 0.41
HIERARCH ESO ISS AMBI FWHM END 0.44