Exposure
ID
MATIS.2025-08-06T09:07:18.682_1
Header ID
MATIS.2025-08-06T09:07:18.682
Date updated
2025-08-06 09:15:49 UTC+0000
Release date
2026-08-06 09:15:49 UTC+0000
UTC Start
2025-08-06 09:07:18.682
UTC End
2025-08-06 09:08:20.692
MJD Start
60893.38007734
MJD End
60893.38079504833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.006329
Ambient temperature (°C)
14.16
Seeing (arcsec)
0.4
Observation
ID
69317
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
51514
Name
HD 218396
RA
346.871658
DEC
21.13407
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 52.9110 52.9630 37.8000 37.8000
U1-U3 98.7030 98.7790 41.7000 41.6000
U1-U4 128.9910 128.9270 57.3310 57.2180
U2-U3 46.0490 46.0710 46.1000 46.0000
U2-U4 81.0660 80.9160 69.9230 69.7900
U3-U4 43.1550 42.9650 95.4540 95.3840
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 60893.38007734
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871658
DEC 21.13407
HIERARCH ESO DET NAME MATISSE-N
HIERARCH ESO INS DIN NAME LOW
HIERARCH ESO INS DIN ID LOW
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 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2385
HIERARCH ESO ISS PBL12 START 52.911
HIERARCH ESO ISS PBL12 END 52.963
HIERARCH ESO ISS PBLA12 START 37.8
HIERARCH ESO ISS PBLA12 END 37.8
HIERARCH ESO ISS PBL13 START 98.703
HIERARCH ESO ISS PBL13 END 98.779
HIERARCH ESO ISS PBLA13 START 41.7
HIERARCH ESO ISS PBLA13 END 41.6
HIERARCH ESO ISS PBL14 START 128.991
HIERARCH ESO ISS PBL14 END 128.927
HIERARCH ESO ISS PBLA14 START 57.331
HIERARCH ESO ISS PBLA14 END 57.218
HIERARCH ESO ISS PBL23 START 46.049
HIERARCH ESO ISS PBL23 END 46.071
HIERARCH ESO ISS PBLA23 START 46.1
HIERARCH ESO ISS PBLA23 END 46.0
HIERARCH ESO ISS PBL24 START 81.066
HIERARCH ESO ISS PBL24 END 80.916
HIERARCH ESO ISS PBLA24 START 69.923
HIERARCH ESO ISS PBLA24 END 69.79
HIERARCH ESO ISS PBL34 START 43.155
HIERARCH ESO ISS PBL34 END 42.965
HIERARCH ESO ISS PBLA34 START 95.454
HIERARCH ESO ISS PBLA34 END 95.384
HIERARCH ESO ISS AMBI TAU0 START 0.006329
HIERARCH ESO ISS AMBI TAU0 END 0.006329
HIERARCH ESO ISS AMBI TEMP 14.16
HIERARCH ESO ISS AMBI FWHM START 0.4
HIERARCH ESO ISS AMBI FWHM END 0.4