Exposure
ID
MATIS.2025-08-09T07:45:52.686_1
Header ID
MATIS.2025-08-09T07:45:52.686
Date updated
2025-08-09 07:55:44 UTC+0000
Release date
2026-08-09 07:55:43 UTC+0000
UTC Start
2025-08-09 07:45:52.686
UTC End
2025-08-09 07:46:54.696
MJD Start
60896.32352646
MJD End
60896.32424416833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.007458
Ambient temperature (°C)
12.43
Seeing (arcsec)
0.43
Observation
ID
69628
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
51706
Name
HD 218396
RA
346.871636
DEC
21.13389
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 48.6160 48.6930 38.0000 38.0000
U1-U3 91.6320 91.7670 43.4000 43.4000
U1-U4 129.4150 129.4700 63.8030 63.7190
U2-U3 43.4780 43.5330 49.5000 49.4000
U2-U4 88.2390 88.1770 77.6980 77.5930
U3-U4 53.9940 53.8600 100.0770 100.0060
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 60896.32352646
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871636
DEC 21.13389
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 48.616
HIERARCH ESO ISS PBL12 END 48.693
HIERARCH ESO ISS PBLA12 START 38.0
HIERARCH ESO ISS PBLA12 END 38.0
HIERARCH ESO ISS PBL13 START 91.632
HIERARCH ESO ISS PBL13 END 91.767
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 129.415
HIERARCH ESO ISS PBL14 END 129.47
HIERARCH ESO ISS PBLA14 START 63.803
HIERARCH ESO ISS PBLA14 END 63.719
HIERARCH ESO ISS PBL23 START 43.478
HIERARCH ESO ISS PBL23 END 43.533
HIERARCH ESO ISS PBLA23 START 49.5
HIERARCH ESO ISS PBLA23 END 49.4
HIERARCH ESO ISS PBL24 START 88.239
HIERARCH ESO ISS PBL24 END 88.177
HIERARCH ESO ISS PBLA24 START 77.698
HIERARCH ESO ISS PBLA24 END 77.593
HIERARCH ESO ISS PBL34 START 53.994
HIERARCH ESO ISS PBL34 END 53.86
HIERARCH ESO ISS PBLA34 START 100.077
HIERARCH ESO ISS PBLA34 END 100.006
HIERARCH ESO ISS AMBI TAU0 START 0.007458
HIERARCH ESO ISS AMBI TAU0 END 0.007458
HIERARCH ESO ISS AMBI TEMP 12.43
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.43