Exposure
ID
MATIS.2025-08-11T07:57:05.972_1
Header ID
MATIS.2025-08-11T07:57:05.972
Date updated
2025-08-11 08:05:42 UTC+0000
Release date
2026-08-11 08:05:42 UTC+0000
UTC Start
2025-08-11 07:57:05.972
UTC End
2025-08-11 07:58:12.416
MJD Start
60898.33131912
MJD End
60898.33208814778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.00656
Ambient temperature (°C)
14.68
Seeing (arcsec)
0.39
Observation
ID
69917
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
51888
Name
HD 218396
RA
346.871659
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 49.9470 50.0320 38.2000 38.2000
U1-U3 93.9430 94.0870 43.2000 43.2000
U1-U4 130.0990 130.1220 62.2270 62.1170
U2-U3 44.3960 44.4510 48.8000 48.7000
U2-U4 86.8870 86.7800 75.7590 75.6260
U3-U4 51.4260 51.2450 98.8110 98.7270
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 60898.33131912
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871659
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 49.947
HIERARCH ESO ISS PBL12 END 50.032
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 93.943
HIERARCH ESO ISS PBL13 END 94.087
HIERARCH ESO ISS PBLA13 START 43.2
HIERARCH ESO ISS PBLA13 END 43.2
HIERARCH ESO ISS PBL14 START 130.099
HIERARCH ESO ISS PBL14 END 130.122
HIERARCH ESO ISS PBLA14 START 62.227
HIERARCH ESO ISS PBLA14 END 62.117
HIERARCH ESO ISS PBL23 START 44.396
HIERARCH ESO ISS PBL23 END 44.451
HIERARCH ESO ISS PBLA23 START 48.8
HIERARCH ESO ISS PBLA23 END 48.7
HIERARCH ESO ISS PBL24 START 86.887
HIERARCH ESO ISS PBL24 END 86.78
HIERARCH ESO ISS PBLA24 START 75.759
HIERARCH ESO ISS PBLA24 END 75.626
HIERARCH ESO ISS PBL34 START 51.426
HIERARCH ESO ISS PBL34 END 51.245
HIERARCH ESO ISS PBLA34 START 98.811
HIERARCH ESO ISS PBLA34 END 98.727
HIERARCH ESO ISS AMBI TAU0 START 0.00656
HIERARCH ESO ISS AMBI TAU0 END 0.00656
HIERARCH ESO ISS AMBI TEMP 14.68
HIERARCH ESO ISS AMBI FWHM START 0.4
HIERARCH ESO ISS AMBI FWHM END 0.38