Exposure
ID
MATIS.2025-08-06T08:39:34.527_1
Header ID
MATIS.2025-08-06T08:39:34.527
Date updated
2025-08-06 08:45:44 UTC+0000
Release date
2026-08-06 08:45:44 UTC+0000
UTC Start
2025-08-06 08:39:34.527
UTC End
2025-08-06 08:40:40.971
MJD Start
60893.36081628
MJD End
60893.36158530778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.0068225000000000004
Ambient temperature (°C)
14.24
Seeing (arcsec)
0.44999999999999996
Observation
ID
69300
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
51506
Name
HD 218396
RA
346.871655
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 51.3920 51.4590 38.2000 38.2000
U1-U3 96.3410 96.4490 42.7000 42.6000
U1-U4 130.1040 130.0820 60.1510 60.0430
U2-U3 45.2810 45.3180 47.7000 47.7000
U2-U4 84.6420 84.5140 73.2670 73.1380
U3-U4 47.9460 47.7620 97.3020 97.2270
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 60893.36081628
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871655
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 51.392
HIERARCH ESO ISS PBL12 END 51.459
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 96.341
HIERARCH ESO ISS PBL13 END 96.449
HIERARCH ESO ISS PBLA13 START 42.7
HIERARCH ESO ISS PBLA13 END 42.6
HIERARCH ESO ISS PBL14 START 130.104
HIERARCH ESO ISS PBL14 END 130.082
HIERARCH ESO ISS PBLA14 START 60.151
HIERARCH ESO ISS PBLA14 END 60.043
HIERARCH ESO ISS PBL23 START 45.281
HIERARCH ESO ISS PBL23 END 45.318
HIERARCH ESO ISS PBLA23 START 47.7
HIERARCH ESO ISS PBLA23 END 47.7
HIERARCH ESO ISS PBL24 START 84.642
HIERARCH ESO ISS PBL24 END 84.514
HIERARCH ESO ISS PBLA24 START 73.267
HIERARCH ESO ISS PBLA24 END 73.138
HIERARCH ESO ISS PBL34 START 47.946
HIERARCH ESO ISS PBL34 END 47.762
HIERARCH ESO ISS PBLA34 START 97.302
HIERARCH ESO ISS PBLA34 END 97.227
HIERARCH ESO ISS AMBI TAU0 START 0.00633
HIERARCH ESO ISS AMBI TAU0 END 0.007315
HIERARCH ESO ISS AMBI TEMP 14.24
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.42