Exposure
ID
MATIS.2025-08-06T06:49:11.218_1
Header ID
MATIS.2025-08-06T06:49:11.218
Date updated
2025-08-06 06:55:51 UTC+0000
Release date
2026-08-06 06:55:51 UTC+0000
UTC Start
2025-08-06 06:49:11.218
UTC End
2025-08-06 06:50:17.662
MJD Start
60893.28415761
MJD End
60893.28492663778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.007948
Ambient temperature (°C)
14.69
Seeing (arcsec)
0.485
Observation
ID
69210
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
51459
Name
HD 218396
RA
346.871593
DEC
21.13408
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 43.1310 43.2360 35.0000 35.1000
U1-U3 81.2860 81.4960 42.3000 42.3000
U1-U4 121.5840 121.8000 68.4890 68.4170
U2-U3 38.8920 38.9920 50.4000 50.4000
U2-U4 88.8660 88.9150 84.0300 83.9220
U3-U4 60.4590 60.3820 104.9100 104.8170
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 60893.28415761
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871593
DEC 21.13408
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 43.131
HIERARCH ESO ISS PBL12 END 43.236
HIERARCH ESO ISS PBLA12 START 35.0
HIERARCH ESO ISS PBLA12 END 35.1
HIERARCH ESO ISS PBL13 START 81.286
HIERARCH ESO ISS PBL13 END 81.496
HIERARCH ESO ISS PBLA13 START 42.3
HIERARCH ESO ISS PBLA13 END 42.3
HIERARCH ESO ISS PBL14 START 121.584
HIERARCH ESO ISS PBL14 END 121.8
HIERARCH ESO ISS PBLA14 START 68.489
HIERARCH ESO ISS PBLA14 END 68.417
HIERARCH ESO ISS PBL23 START 38.892
HIERARCH ESO ISS PBL23 END 38.992
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 88.866
HIERARCH ESO ISS PBL24 END 88.915
HIERARCH ESO ISS PBLA24 START 84.03
HIERARCH ESO ISS PBLA24 END 83.922
HIERARCH ESO ISS PBL34 START 60.459
HIERARCH ESO ISS PBL34 END 60.382
HIERARCH ESO ISS PBLA34 START 104.91
HIERARCH ESO ISS PBLA34 END 104.817
HIERARCH ESO ISS AMBI TAU0 START 0.007948
HIERARCH ESO ISS AMBI TAU0 END 0.007948
HIERARCH ESO ISS AMBI TEMP 14.69
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.49