Exposure
ID
MATIS.2025-07-10T10:01:23.601_1
Header ID
MATIS.2025-07-10T10:01:23.601
Date updated
2025-07-10 10:10:40 UTC+0000
Release date
2026-07-10 10:10:40 UTC+0000
UTC Start
2025-07-10 10:01:23.601
UTC End
2025-07-10 10:02:30.045
MJD Start
60866.41763427
MJD End
60866.41840329778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.005238
Ambient temperature (°C)
12.5
Seeing (arcsec)
0.46
Observation
ID
68587
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
51007
Name
HD 218396
RA
346.870978
DEC
21.13428
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 49.8480 49.9240 38.2000 38.2000
U1-U3 93.7730 93.9030 43.2000 43.2000
U1-U4 130.0680 130.0920 62.3550 62.2580
U2-U3 44.3300 44.3800 48.8000 48.8000
U2-U4 87.0100 86.9160 75.9160 75.7970
U3-U4 51.6390 51.4780 98.9110 98.8360
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 60866.41763427
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.870978
DEC 21.13428
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 49.848
HIERARCH ESO ISS PBL12 END 49.924
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 93.773
HIERARCH ESO ISS PBL13 END 93.903
HIERARCH ESO ISS PBLA13 START 43.2
HIERARCH ESO ISS PBLA13 END 43.2
HIERARCH ESO ISS PBL14 START 130.068
HIERARCH ESO ISS PBL14 END 130.092
HIERARCH ESO ISS PBLA14 START 62.355
HIERARCH ESO ISS PBLA14 END 62.258
HIERARCH ESO ISS PBL23 START 44.33
HIERARCH ESO ISS PBL23 END 44.38
HIERARCH ESO ISS PBLA23 START 48.8
HIERARCH ESO ISS PBLA23 END 48.8
HIERARCH ESO ISS PBL24 START 87.01
HIERARCH ESO ISS PBL24 END 86.916
HIERARCH ESO ISS PBLA24 START 75.916
HIERARCH ESO ISS PBLA24 END 75.797
HIERARCH ESO ISS PBL34 START 51.639
HIERARCH ESO ISS PBL34 END 51.478
HIERARCH ESO ISS PBLA34 START 98.911
HIERARCH ESO ISS PBLA34 END 98.836
HIERARCH ESO ISS AMBI TAU0 START 0.005238
HIERARCH ESO ISS AMBI TAU0 END 0.005238
HIERARCH ESO ISS AMBI TEMP 12.5
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.46