Exposure
ID
MATIS.2025-08-06T06:58:57.118_1
Header ID
MATIS.2025-08-06T06:58:57.118
Date updated
2025-08-06 07:05:43 UTC+0000
Release date
2026-08-06 07:05:43 UTC+0000
UTC Start
2025-08-06 06:58:57.118
UTC End
2025-08-06 06:59:59.128
MJD Start
60893.29093886
MJD End
60893.29165656833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.005388
Ambient temperature (°C)
14.57
Seeing (arcsec)
0.55
Observation
ID
69223
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
51465
Name
HD 218396
RA
346.871596
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 43.9620 44.0520 35.6000 35.7000
U1-U3 82.9320 83.1090 42.6000 42.7000
U1-U4 123.2230 123.3910 67.9090 67.8430
U2-U3 39.6630 39.7460 50.4000 50.4000
U2-U4 89.1930 89.2200 83.1660 83.0710
U3-U4 59.8080 59.7320 104.1830 104.1050
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 60893.29093886
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871596
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 43.962
HIERARCH ESO ISS PBL12 END 44.052
HIERARCH ESO ISS PBLA12 START 35.6
HIERARCH ESO ISS PBLA12 END 35.7
HIERARCH ESO ISS PBL13 START 82.932
HIERARCH ESO ISS PBL13 END 83.109
HIERARCH ESO ISS PBLA13 START 42.6
HIERARCH ESO ISS PBLA13 END 42.7
HIERARCH ESO ISS PBL14 START 123.223
HIERARCH ESO ISS PBL14 END 123.391
HIERARCH ESO ISS PBLA14 START 67.909
HIERARCH ESO ISS PBLA14 END 67.843
HIERARCH ESO ISS PBL23 START 39.663
HIERARCH ESO ISS PBL23 END 39.746
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 89.193
HIERARCH ESO ISS PBL24 END 89.22
HIERARCH ESO ISS PBLA24 START 83.166
HIERARCH ESO ISS PBLA24 END 83.071
HIERARCH ESO ISS PBL34 START 59.808
HIERARCH ESO ISS PBL34 END 59.732
HIERARCH ESO ISS PBLA34 START 104.183
HIERARCH ESO ISS PBLA34 END 104.105
HIERARCH ESO ISS AMBI TAU0 START 0.005388
HIERARCH ESO ISS AMBI TAU0 END 0.005388
HIERARCH ESO ISS AMBI TEMP 14.57
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.55