Exposure
ID
MATIS.2025-08-06T05:41:52.712_1
Header ID
MATIS.2025-08-06T05:41:52.712
Date updated
2025-08-06 05:50:48 UTC+0000
Release date
2026-08-06 05:50:48 UTC+0000
UTC Start
2025-08-06 05:41:52.712
UTC End
2025-08-06 05:42:54.722
MJD Start
60893.23741565
MJD End
60893.23813335833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.00747
Ambient temperature (°C)
15.27
Seeing (arcsec)
0.62
Observation
ID
69159
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
51433
Name
HD 218396
RA
346.871546
DEC
21.13411
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 37.4090 37.4930 27.9000 28.0000
U1-U3 69.0480 69.2410 37.3000 37.4000
U1-U4 105.6600 105.9630 71.7390 71.6990
U2-U3 32.7150 32.8190 48.0000 48.1000
U2-U4 82.8460 82.9880 89.9740 89.8810
U3-U4 62.4700 62.4710 110.4680 110.3730
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 60893.23741565
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871546
DEC 21.13411
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 37.409
HIERARCH ESO ISS PBL12 END 37.493
HIERARCH ESO ISS PBLA12 START 27.9
HIERARCH ESO ISS PBLA12 END 28.0
HIERARCH ESO ISS PBL13 START 69.048
HIERARCH ESO ISS PBL13 END 69.241
HIERARCH ESO ISS PBLA13 START 37.3
HIERARCH ESO ISS PBLA13 END 37.4
HIERARCH ESO ISS PBL14 START 105.66
HIERARCH ESO ISS PBL14 END 105.963
HIERARCH ESO ISS PBLA14 START 71.739
HIERARCH ESO ISS PBLA14 END 71.699
HIERARCH ESO ISS PBL23 START 32.715
HIERARCH ESO ISS PBL23 END 32.819
HIERARCH ESO ISS PBLA23 START 48.0
HIERARCH ESO ISS PBLA23 END 48.1
HIERARCH ESO ISS PBL24 START 82.846
HIERARCH ESO ISS PBL24 END 82.988
HIERARCH ESO ISS PBLA24 START 89.974
HIERARCH ESO ISS PBLA24 END 89.881
HIERARCH ESO ISS PBL34 START 62.47
HIERARCH ESO ISS PBL34 END 62.471
HIERARCH ESO ISS PBLA34 START 110.468
HIERARCH ESO ISS PBLA34 END 110.373
HIERARCH ESO ISS AMBI TAU0 START 0.007582
HIERARCH ESO ISS AMBI TAU0 END 0.007358
HIERARCH ESO ISS AMBI TEMP 15.27
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.62