Exposure
ID
MATIS.2025-08-07T07:26:55.174_1
Header ID
MATIS.2025-08-07T07:26:55.174
Date updated
2025-08-07 07:35:51 UTC+0000
Release date
2026-08-07 07:35:50 UTC+0000
UTC Start
2025-08-07 07:26:55.174
UTC End
2025-08-07 07:27:57.184
MJD Start
60894.31036081
MJD End
60894.31107851833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.008568
Ambient temperature (°C)
13.39
Seeing (arcsec)
0.63
Observation
ID
69462
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
51604
Name
HD 218396
RA
346.871669
DEC
21.13408
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 46.5800 46.6650 37.2000 37.3000
U1-U3 87.9370 88.0930 43.3000 43.4000
U1-U4 127.3630 127.4700 65.8150 65.7390
U2-U3 41.9180 41.9860 50.2000 50.1000
U2-U4 89.2890 89.2660 80.2720 80.1730
U3-U4 57.0490 56.9400 101.9070 101.8330
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 60894.31036081
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871669
DEC 21.13408
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 46.58
HIERARCH ESO ISS PBL12 END 46.665
HIERARCH ESO ISS PBLA12 START 37.2
HIERARCH ESO ISS PBLA12 END 37.3
HIERARCH ESO ISS PBL13 START 87.937
HIERARCH ESO ISS PBL13 END 88.093
HIERARCH ESO ISS PBLA13 START 43.3
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 127.363
HIERARCH ESO ISS PBL14 END 127.47
HIERARCH ESO ISS PBLA14 START 65.815
HIERARCH ESO ISS PBLA14 END 65.739
HIERARCH ESO ISS PBL23 START 41.918
HIERARCH ESO ISS PBL23 END 41.986
HIERARCH ESO ISS PBLA23 START 50.2
HIERARCH ESO ISS PBLA23 END 50.1
HIERARCH ESO ISS PBL24 START 89.289
HIERARCH ESO ISS PBL24 END 89.266
HIERARCH ESO ISS PBLA24 START 80.272
HIERARCH ESO ISS PBLA24 END 80.173
HIERARCH ESO ISS PBL34 START 57.049
HIERARCH ESO ISS PBL34 END 56.94
HIERARCH ESO ISS PBLA34 START 101.907
HIERARCH ESO ISS PBLA34 END 101.833
HIERARCH ESO ISS AMBI TAU0 START 0.008666
HIERARCH ESO ISS AMBI TAU0 END 0.00847
HIERARCH ESO ISS AMBI TEMP 13.39
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.63