Exposure
ID
MATIS.2025-08-06T07:48:10.283_1
Header ID
MATIS.2025-08-06T07:48:10.283
Date updated
2025-08-06 07:55:50 UTC+0000
Release date
2026-08-06 07:55:50 UTC+0000
UTC Start
2025-08-06 07:48:10.283
UTC End
2025-08-06 07:49:12.293
MJD Start
60893.32511902
MJD End
60893.325836728334
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0073855
Ambient temperature (°C)
14.1
Seeing (arcsec)
0.48
Observation
ID
69265
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
51487
Name
HD 218396
RA
346.871627
DEC
21.13407
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 47.9160 47.9940 37.8000 37.8000
U1-U3 90.3820 90.5210 43.4000 43.4000
U1-U4 128.8360 128.9070 64.5440 64.4650
U2-U3 42.9620 43.0200 49.8000 49.7000
U2-U4 88.7260 88.6790 78.6300 78.5300
U3-U4 55.1500 55.0280 100.7190 100.6490
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 60893.32511902
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871627
DEC 21.13407
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 47.916
HIERARCH ESO ISS PBL12 END 47.994
HIERARCH ESO ISS PBLA12 START 37.8
HIERARCH ESO ISS PBLA12 END 37.8
HIERARCH ESO ISS PBL13 START 90.382
HIERARCH ESO ISS PBL13 END 90.521
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 128.836
HIERARCH ESO ISS PBL14 END 128.907
HIERARCH ESO ISS PBLA14 START 64.544
HIERARCH ESO ISS PBLA14 END 64.465
HIERARCH ESO ISS PBL23 START 42.962
HIERARCH ESO ISS PBL23 END 43.02
HIERARCH ESO ISS PBLA23 START 49.8
HIERARCH ESO ISS PBLA23 END 49.7
HIERARCH ESO ISS PBL24 START 88.726
HIERARCH ESO ISS PBL24 END 88.679
HIERARCH ESO ISS PBLA24 START 78.63
HIERARCH ESO ISS PBLA24 END 78.53
HIERARCH ESO ISS PBL34 START 55.15
HIERARCH ESO ISS PBL34 END 55.028
HIERARCH ESO ISS PBLA34 START 100.719
HIERARCH ESO ISS PBLA34 END 100.649
HIERARCH ESO ISS AMBI TAU0 START 0.007861
HIERARCH ESO ISS AMBI TAU0 END 0.00691
HIERARCH ESO ISS AMBI TEMP 14.1
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.5