Exposure
ID
MATIS.2025-08-10T06:42:07.203_1
Header ID
MATIS.2025-08-10T06:42:07.203
Date updated
2025-08-10 06:50:44 UTC+0000
Release date
2026-08-10 06:50:44 UTC+0000
UTC Start
2025-08-10 06:42:07.203
UTC End
2025-08-10 06:43:09.213
MJD Start
60897.27925004
MJD End
60897.279967748334
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0049464999999999995
Ambient temperature (°C)
12.28
Seeing (arcsec)
0.44
Observation
ID
69720
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
51775
Name
HD 218396
RA
346.871432
DEC
21.13373
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 43.8680 43.9580 35.6000 35.6000
U1-U3 82.7480 82.9250 42.6000 42.6000
U1-U4 123.0460 123.2160 67.9760 67.9120
U2-U3 39.5780 39.6600 50.4000 50.4000
U2-U4 89.1630 89.1920 83.2650 83.1710
U3-U4 59.8870 59.8110 104.2660 104.1870
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 60897.27925004
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871432
DEC 21.13373
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 43.868
HIERARCH ESO ISS PBL12 END 43.958
HIERARCH ESO ISS PBLA12 START 35.6
HIERARCH ESO ISS PBLA12 END 35.6
HIERARCH ESO ISS PBL13 START 82.748
HIERARCH ESO ISS PBL13 END 82.925
HIERARCH ESO ISS PBLA13 START 42.6
HIERARCH ESO ISS PBLA13 END 42.6
HIERARCH ESO ISS PBL14 START 123.046
HIERARCH ESO ISS PBL14 END 123.216
HIERARCH ESO ISS PBLA14 START 67.976
HIERARCH ESO ISS PBLA14 END 67.912
HIERARCH ESO ISS PBL23 START 39.578
HIERARCH ESO ISS PBL23 END 39.66
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 89.163
HIERARCH ESO ISS PBL24 END 89.192
HIERARCH ESO ISS PBLA24 START 83.265
HIERARCH ESO ISS PBLA24 END 83.171
HIERARCH ESO ISS PBL34 START 59.887
HIERARCH ESO ISS PBL34 END 59.811
HIERARCH ESO ISS PBLA34 START 104.266
HIERARCH ESO ISS PBLA34 END 104.187
HIERARCH ESO ISS AMBI TAU0 START 0.004424
HIERARCH ESO ISS AMBI TAU0 END 0.005469
HIERARCH ESO ISS AMBI TEMP 12.28
HIERARCH ESO ISS AMBI FWHM START 0.45
HIERARCH ESO ISS AMBI FWHM END 0.43