Exposure
ID
MATIS.2025-08-09T06:42:58.669_1
Header ID
MATIS.2025-08-09T06:42:58.669
Date updated
2025-08-09 06:50:36 UTC+0000
Release date
2026-08-09 06:50:36 UTC+0000
UTC Start
2025-08-09 06:42:58.669
UTC End
2025-08-09 06:44:05.113
MJD Start
60896.27984571
MJD End
60896.28061473778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.004026
Ambient temperature (°C)
12.39
Seeing (arcsec)
0.605
Observation
ID
69572
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
51679
Name
HD 218396
RA
346.871587
DEC
21.1339
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 43.6080 43.7180 35.4000 35.4000
U1-U3 82.2340 82.4520 42.5000 42.5000
U1-U4 122.5430 122.7580 68.1570 68.0790
U2-U3 39.3380 39.4400 50.4000 50.4000
U2-U4 89.0700 89.1110 83.5330 83.4180
U3-U4 60.0980 60.0100 104.4890 104.3930
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 60896.27984571
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871587
DEC 21.1339
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 43.608
HIERARCH ESO ISS PBL12 END 43.718
HIERARCH ESO ISS PBLA12 START 35.4
HIERARCH ESO ISS PBLA12 END 35.4
HIERARCH ESO ISS PBL13 START 82.234
HIERARCH ESO ISS PBL13 END 82.452
HIERARCH ESO ISS PBLA13 START 42.5
HIERARCH ESO ISS PBLA13 END 42.5
HIERARCH ESO ISS PBL14 START 122.543
HIERARCH ESO ISS PBL14 END 122.758
HIERARCH ESO ISS PBLA14 START 68.157
HIERARCH ESO ISS PBLA14 END 68.079
HIERARCH ESO ISS PBL23 START 39.338
HIERARCH ESO ISS PBL23 END 39.44
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 89.07
HIERARCH ESO ISS PBL24 END 89.111
HIERARCH ESO ISS PBLA24 START 83.533
HIERARCH ESO ISS PBLA24 END 83.418
HIERARCH ESO ISS PBL34 START 60.098
HIERARCH ESO ISS PBL34 END 60.01
HIERARCH ESO ISS PBLA34 START 104.489
HIERARCH ESO ISS PBLA34 END 104.393
HIERARCH ESO ISS AMBI TAU0 START 0.003946
HIERARCH ESO ISS AMBI TAU0 END 0.004106
HIERARCH ESO ISS AMBI TEMP 12.39
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.61