Exposure
ID
MATIS.2025-08-09T06:39:49.127_1
Header ID
MATIS.2025-08-09T06:39:49.127
Date updated
2025-08-09 06:45:43 UTC+0000
Release date
2026-08-09 06:45:42 UTC+0000
UTC Start
2025-08-09 06:39:49.127
UTC End
2025-08-09 06:40:51.137
MJD Start
60896.27765193
MJD End
60896.278369638334
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.005417
Ambient temperature (°C)
12.38
Seeing (arcsec)
0.61
Observation
ID
69569
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
51677
Name
HD 218396
RA
346.871585
DEC
21.13391
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 43.3380 43.4280 35.1000 35.2000
U1-U3 81.6990 81.8780 42.4000 42.4000
U1-U4 122.0070 122.1880 68.3440 68.2820
U2-U3 39.0870 39.1710 50.4000 50.4000
U2-U4 88.9600 88.9990 83.8130 83.7200
U3-U4 60.3060 60.2380 104.7250 104.6460
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 60896.27765193
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871585
DEC 21.13391
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 43.338
HIERARCH ESO ISS PBL12 END 43.428
HIERARCH ESO ISS PBLA12 START 35.1
HIERARCH ESO ISS PBLA12 END 35.2
HIERARCH ESO ISS PBL13 START 81.699
HIERARCH ESO ISS PBL13 END 81.878
HIERARCH ESO ISS PBLA13 START 42.4
HIERARCH ESO ISS PBLA13 END 42.4
HIERARCH ESO ISS PBL14 START 122.007
HIERARCH ESO ISS PBL14 END 122.188
HIERARCH ESO ISS PBLA14 START 68.344
HIERARCH ESO ISS PBLA14 END 68.282
HIERARCH ESO ISS PBL23 START 39.087
HIERARCH ESO ISS PBL23 END 39.171
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 88.96
HIERARCH ESO ISS PBL24 END 88.999
HIERARCH ESO ISS PBLA24 START 83.813
HIERARCH ESO ISS PBLA24 END 83.72
HIERARCH ESO ISS PBL34 START 60.306
HIERARCH ESO ISS PBL34 END 60.238
HIERARCH ESO ISS PBLA34 START 104.725
HIERARCH ESO ISS PBLA34 END 104.646
HIERARCH ESO ISS AMBI TAU0 START 0.005417
HIERARCH ESO ISS AMBI TAU0 END 0.005417
HIERARCH ESO ISS AMBI TEMP 12.38
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.59