Exposure
ID
MATIS.2025-08-07T05:54:56.618_1
Header ID
MATIS.2025-08-07T05:54:56.618
Date updated
2025-08-07 06:00:52 UTC+0000
Release date
2026-08-07 06:00:52 UTC+0000
UTC Start
2025-08-07 05:54:56.618
UTC End
2025-08-07 05:56:03.062
MJD Start
60894.24648864
MJD End
60894.247257667776
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.008086
Ambient temperature (°C)
13.05
Seeing (arcsec)
0.5900000000000001
Observation
ID
69384
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
51565
Name
HD 218396
RA
346.871628
DEC
21.13381
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 38.8150 38.9220 30.1000 30.3000
U1-U3 72.2250 72.4610 39.0000 39.1000
U1-U4 110.4280 110.7640 71.0440 70.9890
U2-U3 34.3970 34.5200 49.0000 49.1000
U2-U4 84.9800 85.1230 88.4480 88.3360
U3-U4 62.3650 62.3470 108.9560 108.8460
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 60894.24648864
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871628
DEC 21.13381
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 38.815
HIERARCH ESO ISS PBL12 END 38.922
HIERARCH ESO ISS PBLA12 START 30.1
HIERARCH ESO ISS PBLA12 END 30.3
HIERARCH ESO ISS PBL13 START 72.225
HIERARCH ESO ISS PBL13 END 72.461
HIERARCH ESO ISS PBLA13 START 39.0
HIERARCH ESO ISS PBLA13 END 39.1
HIERARCH ESO ISS PBL14 START 110.428
HIERARCH ESO ISS PBL14 END 110.764
HIERARCH ESO ISS PBLA14 START 71.044
HIERARCH ESO ISS PBLA14 END 70.989
HIERARCH ESO ISS PBL23 START 34.397
HIERARCH ESO ISS PBL23 END 34.52
HIERARCH ESO ISS PBLA23 START 49.0
HIERARCH ESO ISS PBLA23 END 49.1
HIERARCH ESO ISS PBL24 START 84.98
HIERARCH ESO ISS PBL24 END 85.123
HIERARCH ESO ISS PBLA24 START 88.448
HIERARCH ESO ISS PBLA24 END 88.336
HIERARCH ESO ISS PBL34 START 62.365
HIERARCH ESO ISS PBL34 END 62.347
HIERARCH ESO ISS PBLA34 START 108.956
HIERARCH ESO ISS PBLA34 END 108.846
HIERARCH ESO ISS AMBI TAU0 START 0.008086
HIERARCH ESO ISS AMBI TAU0 END 0.008086
HIERARCH ESO ISS AMBI TEMP 13.05
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.56