Exposure
ID
MATIS.2025-08-07T09:11:24.237_1
Header ID
MATIS.2025-08-07T09:11:24.237
Date updated
2025-08-07 09:21:15 UTC+0000
Release date
2026-08-07 09:21:15 UTC+0000
UTC Start
2025-08-07 09:11:24.237
UTC End
2025-08-07 09:12:26.247
MJD Start
60894.38291941
MJD End
60894.383637118335
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0054215
Ambient temperature (°C)
13.35
Seeing (arcsec)
0.67
Observation
ID
69500
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
51623
Name
HD 218396
RA
346.871698
DEC
21.13408
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 53.3010 53.3500 37.6000 37.6000
U1-U3 99.2740 99.3440 41.3000 41.3000
U1-U4 128.4540 128.3790 56.4450 56.3290
U2-U3 46.2100 46.2290 45.6000 45.5000
U2-U4 79.8700 79.7120 68.8730 68.7350
U3-U4 41.6580 41.4630 94.9070 94.8360
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 60894.38291941
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871698
DEC 21.13408
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 53.301
HIERARCH ESO ISS PBL12 END 53.35
HIERARCH ESO ISS PBLA12 START 37.6
HIERARCH ESO ISS PBLA12 END 37.6
HIERARCH ESO ISS PBL13 START 99.274
HIERARCH ESO ISS PBL13 END 99.344
HIERARCH ESO ISS PBLA13 START 41.3
HIERARCH ESO ISS PBLA13 END 41.3
HIERARCH ESO ISS PBL14 START 128.454
HIERARCH ESO ISS PBL14 END 128.379
HIERARCH ESO ISS PBLA14 START 56.445
HIERARCH ESO ISS PBLA14 END 56.329
HIERARCH ESO ISS PBL23 START 46.21
HIERARCH ESO ISS PBL23 END 46.229
HIERARCH ESO ISS PBLA23 START 45.6
HIERARCH ESO ISS PBLA23 END 45.5
HIERARCH ESO ISS PBL24 START 79.87
HIERARCH ESO ISS PBL24 END 79.712
HIERARCH ESO ISS PBLA24 START 68.873
HIERARCH ESO ISS PBLA24 END 68.735
HIERARCH ESO ISS PBL34 START 41.658
HIERARCH ESO ISS PBL34 END 41.463
HIERARCH ESO ISS PBLA34 START 94.907
HIERARCH ESO ISS PBLA34 END 94.836
HIERARCH ESO ISS AMBI TAU0 START 0.005599
HIERARCH ESO ISS AMBI TAU0 END 0.005244
HIERARCH ESO ISS AMBI TEMP 13.35
HIERARCH ESO ISS AMBI FWHM START 0.68
HIERARCH ESO ISS AMBI FWHM END 0.66