Exposure
ID
MATIS.2025-08-07T05:38:40.868_1
Header ID
MATIS.2025-08-07T05:38:40.868
Date updated
2025-08-07 05:45:45 UTC+0000
Release date
2026-08-07 05:45:45 UTC+0000
UTC Start
2025-08-07 05:38:40.868
UTC End
2025-08-07 05:39:42.878
MJD Start
60894.23519523
MJD End
60894.23591293833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0074730000000000005
Ambient temperature (°C)
13.04
Seeing (arcsec)
0.5800000000000001
Observation
ID
69368
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
51556
Name
HD 218396
RA
346.871617
DEC
21.13382
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 37.4690 37.5530 28.0000 28.1000
U1-U3 69.1870 69.3800 37.3000 37.5000
U1-U4 105.8780 106.1800 71.7100 71.6700
U2-U3 32.7890 32.8930 48.1000 48.1000
U2-U4 82.9480 83.0880 89.9070 89.8130
U3-U4 62.4710 62.4710 110.4000 110.3060
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 60894.23519523
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871617
DEC 21.13382
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 37.469
HIERARCH ESO ISS PBL12 END 37.553
HIERARCH ESO ISS PBLA12 START 28.0
HIERARCH ESO ISS PBLA12 END 28.1
HIERARCH ESO ISS PBL13 START 69.187
HIERARCH ESO ISS PBL13 END 69.38
HIERARCH ESO ISS PBLA13 START 37.3
HIERARCH ESO ISS PBLA13 END 37.5
HIERARCH ESO ISS PBL14 START 105.878
HIERARCH ESO ISS PBL14 END 106.18
HIERARCH ESO ISS PBLA14 START 71.71
HIERARCH ESO ISS PBLA14 END 71.67
HIERARCH ESO ISS PBL23 START 32.789
HIERARCH ESO ISS PBL23 END 32.893
HIERARCH ESO ISS PBLA23 START 48.1
HIERARCH ESO ISS PBLA23 END 48.1
HIERARCH ESO ISS PBL24 START 82.948
HIERARCH ESO ISS PBL24 END 83.088
HIERARCH ESO ISS PBLA24 START 89.907
HIERARCH ESO ISS PBLA24 END 89.813
HIERARCH ESO ISS PBL34 START 62.471
HIERARCH ESO ISS PBL34 END 62.471
HIERARCH ESO ISS PBLA34 START 110.4
HIERARCH ESO ISS PBLA34 END 110.306
HIERARCH ESO ISS AMBI TAU0 START 0.007445
HIERARCH ESO ISS AMBI TAU0 END 0.007501
HIERARCH ESO ISS AMBI TEMP 13.04
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.62