Exposure
ID
MATIS.2025-08-06T07:31:56.085_1
Header ID
MATIS.2025-08-06T07:31:56.085
Date updated
2025-08-06 07:40:46 UTC+0000
Release date
2026-08-06 07:40:46 UTC+0000
UTC Start
2025-08-06 07:31:56.085
UTC End
2025-08-06 07:32:58.095
MJD Start
60893.31384358
MJD End
60893.31456128833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.006929
Ambient temperature (°C)
14.23
Seeing (arcsec)
0.48
Observation
ID
69249
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
51479
Name
HD 218396
RA
346.871615
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 46.6670 46.7480 37.3000 37.3000
U1-U3 88.0970 88.2480 43.4000 43.4000
U1-U4 127.4730 127.5740 65.7370 65.6640
U2-U3 41.9870 42.0530 50.1000 50.1000
U2-U4 89.2660 89.2430 80.1700 80.0740
U3-U4 56.9370 56.8300 101.8310 101.7590
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 60893.31384358
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871615
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 46.667
HIERARCH ESO ISS PBL12 END 46.748
HIERARCH ESO ISS PBLA12 START 37.3
HIERARCH ESO ISS PBLA12 END 37.3
HIERARCH ESO ISS PBL13 START 88.097
HIERARCH ESO ISS PBL13 END 88.248
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 127.473
HIERARCH ESO ISS PBL14 END 127.574
HIERARCH ESO ISS PBLA14 START 65.737
HIERARCH ESO ISS PBLA14 END 65.664
HIERARCH ESO ISS PBL23 START 41.987
HIERARCH ESO ISS PBL23 END 42.053
HIERARCH ESO ISS PBLA23 START 50.1
HIERARCH ESO ISS PBLA23 END 50.1
HIERARCH ESO ISS PBL24 START 89.266
HIERARCH ESO ISS PBL24 END 89.243
HIERARCH ESO ISS PBLA24 START 80.17
HIERARCH ESO ISS PBLA24 END 80.074
HIERARCH ESO ISS PBL34 START 56.937
HIERARCH ESO ISS PBL34 END 56.83
HIERARCH ESO ISS PBLA34 START 101.831
HIERARCH ESO ISS PBLA34 END 101.759
HIERARCH ESO ISS AMBI TAU0 START 0.006929
HIERARCH ESO ISS AMBI TAU0 END 0.006929
HIERARCH ESO ISS AMBI TEMP 14.23
HIERARCH ESO ISS AMBI FWHM START 0.51
HIERARCH ESO ISS AMBI FWHM END 0.45