Exposure
ID
MATIS.2025-08-06T06:58:56.597_1
Header ID
MATIS.2025-08-06T06:58:56.597
Date updated
2025-08-06 07:05:43 UTC+0000
Release date
2026-08-06 07:05:43 UTC+0000
UTC Start
2025-08-06 06:58:56.597
UTC End
2025-08-06 07:00:03.041
MJD Start
60893.29093284
MJD End
60893.291701867776
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.005388
Ambient temperature (°C)
14.57
Seeing (arcsec)
0.55
Observation
ID
69222
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
51465
Name
HD 218396
RA
346.871596
DEC
21.13407
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 43.9620 44.0660 35.6000 35.7000
U1-U3 82.9320 83.1360 42.6000 42.7000
U1-U4 123.2230 123.4180 67.9090 67.8330
U2-U3 39.6630 39.7580 50.4000 50.4000
U2-U4 89.1930 89.2240 83.1660 83.0570
U3-U4 59.8080 59.7200 104.1830 104.0930
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 60893.29093284
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871596
DEC 21.13407
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 43.962
HIERARCH ESO ISS PBL12 END 44.066
HIERARCH ESO ISS PBLA12 START 35.6
HIERARCH ESO ISS PBLA12 END 35.7
HIERARCH ESO ISS PBL13 START 82.932
HIERARCH ESO ISS PBL13 END 83.136
HIERARCH ESO ISS PBLA13 START 42.6
HIERARCH ESO ISS PBLA13 END 42.7
HIERARCH ESO ISS PBL14 START 123.223
HIERARCH ESO ISS PBL14 END 123.418
HIERARCH ESO ISS PBLA14 START 67.909
HIERARCH ESO ISS PBLA14 END 67.833
HIERARCH ESO ISS PBL23 START 39.663
HIERARCH ESO ISS PBL23 END 39.758
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 89.193
HIERARCH ESO ISS PBL24 END 89.224
HIERARCH ESO ISS PBLA24 START 83.166
HIERARCH ESO ISS PBLA24 END 83.057
HIERARCH ESO ISS PBL34 START 59.808
HIERARCH ESO ISS PBL34 END 59.72
HIERARCH ESO ISS PBLA34 START 104.183
HIERARCH ESO ISS PBLA34 END 104.093
HIERARCH ESO ISS AMBI TAU0 START 0.005388
HIERARCH ESO ISS AMBI TAU0 END 0.005388
HIERARCH ESO ISS AMBI TEMP 14.57
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.55