Exposure
ID
MATIS.2025-08-09T07:03:06.660_1
Header ID
MATIS.2025-08-09T07:03:06.660
Date updated
2025-08-09 07:10:43 UTC+0000
Release date
2026-08-09 07:10:42 UTC+0000
UTC Start
2025-08-09 07:03:06.660
UTC End
2025-08-09 07:04:08.670
MJD Start
60896.29382708
MJD End
60896.29454478833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.005013
Ambient temperature (°C)
12.55
Seeing (arcsec)
0.7150000000000001
Observation
ID
69592
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
51689
Name
HD 218396
RA
346.871607
DEC
21.1339
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 45.2930 45.3800 36.5000 36.6000
U1-U3 85.5110 85.6770 43.1000 43.1000
U1-U4 125.5260 125.6620 66.8960 66.8270
U2-U3 40.8430 40.9180 50.4000 50.4000
U2-U4 89.4260 89.4280 81.7330 81.6370
U3-U4 58.5490 58.4570 103.0250 102.9490
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 60896.29382708
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871607
DEC 21.1339
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 45.293
HIERARCH ESO ISS PBL12 END 45.38
HIERARCH ESO ISS PBLA12 START 36.5
HIERARCH ESO ISS PBLA12 END 36.6
HIERARCH ESO ISS PBL13 START 85.511
HIERARCH ESO ISS PBL13 END 85.677
HIERARCH ESO ISS PBLA13 START 43.1
HIERARCH ESO ISS PBLA13 END 43.1
HIERARCH ESO ISS PBL14 START 125.526
HIERARCH ESO ISS PBL14 END 125.662
HIERARCH ESO ISS PBLA14 START 66.896
HIERARCH ESO ISS PBLA14 END 66.827
HIERARCH ESO ISS PBL23 START 40.843
HIERARCH ESO ISS PBL23 END 40.918
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 89.426
HIERARCH ESO ISS PBL24 END 89.428
HIERARCH ESO ISS PBLA24 START 81.733
HIERARCH ESO ISS PBLA24 END 81.637
HIERARCH ESO ISS PBL34 START 58.549
HIERARCH ESO ISS PBL34 END 58.457
HIERARCH ESO ISS PBLA34 START 103.025
HIERARCH ESO ISS PBLA34 END 102.949
HIERARCH ESO ISS AMBI TAU0 START 0.005204
HIERARCH ESO ISS AMBI TAU0 END 0.004822
HIERARCH ESO ISS AMBI TEMP 12.55
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.76