Exposure
ID
MATIS.2025-08-06T08:42:46.227_1
Header ID
MATIS.2025-08-06T08:42:46.227
Date updated
2025-08-06 08:50:46 UTC+0000
Release date
2026-08-06 08:50:46 UTC+0000
UTC Start
2025-08-06 08:42:46.227
UTC End
2025-08-06 08:43:48.237
MJD Start
60893.36303504
MJD End
60893.36375274833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.00783
Ambient temperature (°C)
14.25
Seeing (arcsec)
0.43
Observation
ID
69305
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
51508
Name
HD 218396
RA
346.87165
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 51.5800 51.6410 38.2000 38.2000
U1-U3 96.6450 96.7410 42.6000 42.5000
U1-U4 130.0360 130.0110 59.8430 59.7430
U2-U3 45.3860 45.4190 47.5000 47.5000
U2-U4 84.2750 84.1540 72.9010 72.7820
U3-U4 47.4240 47.2530 97.0900 97.0220
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 60893.36303504
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.87165
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 51.58
HIERARCH ESO ISS PBL12 END 51.641
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 96.645
HIERARCH ESO ISS PBL13 END 96.741
HIERARCH ESO ISS PBLA13 START 42.6
HIERARCH ESO ISS PBLA13 END 42.5
HIERARCH ESO ISS PBL14 START 130.036
HIERARCH ESO ISS PBL14 END 130.011
HIERARCH ESO ISS PBLA14 START 59.843
HIERARCH ESO ISS PBLA14 END 59.743
HIERARCH ESO ISS PBL23 START 45.386
HIERARCH ESO ISS PBL23 END 45.419
HIERARCH ESO ISS PBLA23 START 47.5
HIERARCH ESO ISS PBLA23 END 47.5
HIERARCH ESO ISS PBL24 START 84.275
HIERARCH ESO ISS PBL24 END 84.154
HIERARCH ESO ISS PBLA24 START 72.901
HIERARCH ESO ISS PBLA24 END 72.782
HIERARCH ESO ISS PBL34 START 47.424
HIERARCH ESO ISS PBL34 END 47.253
HIERARCH ESO ISS PBLA34 START 97.09
HIERARCH ESO ISS PBLA34 END 97.022
HIERARCH ESO ISS AMBI TAU0 START 0.00783
HIERARCH ESO ISS AMBI TAU0 END 0.00783
HIERARCH ESO ISS AMBI TEMP 14.25
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.43