Exposure
ID
MATIS.2025-07-10T09:45:12.924_1
Header ID
MATIS.2025-07-10T09:45:12.924
Date updated
2025-07-10 09:55:49 UTC+0000
Release date
2026-07-10 09:55:49 UTC+0000
UTC Start
2025-07-10 09:45:12.924
UTC End
2025-07-10 09:46:14.934
MJD Start
60866.40639958
MJD End
60866.407117288334
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0066325
Ambient temperature (°C)
12.67
Seeing (arcsec)
0.485
Observation
ID
68580
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
51003
Name
HD 218396
RA
346.870972
DEC
21.13428
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 48.7180 48.7950 38.0000 38.0000
U1-U3 91.8110 91.9460 43.4000 43.4000
U1-U4 129.4870 129.5390 63.6970 63.6110
U2-U3 43.5510 43.6060 49.4000 49.4000
U2-U4 88.1570 88.0930 77.5650 77.4590
U3-U4 53.8180 53.6810 99.9890 99.9180
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 60866.40639958
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.870972
DEC 21.13428
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 48.718
HIERARCH ESO ISS PBL12 END 48.795
HIERARCH ESO ISS PBLA12 START 38.0
HIERARCH ESO ISS PBLA12 END 38.0
HIERARCH ESO ISS PBL13 START 91.811
HIERARCH ESO ISS PBL13 END 91.946
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 129.487
HIERARCH ESO ISS PBL14 END 129.539
HIERARCH ESO ISS PBLA14 START 63.697
HIERARCH ESO ISS PBLA14 END 63.611
HIERARCH ESO ISS PBL23 START 43.551
HIERARCH ESO ISS PBL23 END 43.606
HIERARCH ESO ISS PBLA23 START 49.4
HIERARCH ESO ISS PBLA23 END 49.4
HIERARCH ESO ISS PBL24 START 88.157
HIERARCH ESO ISS PBL24 END 88.093
HIERARCH ESO ISS PBLA24 START 77.565
HIERARCH ESO ISS PBLA24 END 77.459
HIERARCH ESO ISS PBL34 START 53.818
HIERARCH ESO ISS PBL34 END 53.681
HIERARCH ESO ISS PBLA34 START 99.989
HIERARCH ESO ISS PBLA34 END 99.918
HIERARCH ESO ISS AMBI TAU0 START 0.006329
HIERARCH ESO ISS AMBI TAU0 END 0.006936
HIERARCH ESO ISS AMBI TEMP 12.67
HIERARCH ESO ISS AMBI FWHM START 0.5
HIERARCH ESO ISS AMBI FWHM END 0.47