Exposure
ID
MATIS.2025-08-09T07:35:55.844_1
Header ID
MATIS.2025-08-09T07:35:55.844
Date updated
2025-08-09 07:45:33 UTC+0000
Release date
2026-08-09 07:45:33 UTC+0000
UTC Start
2025-08-09 07:35:55.844
UTC End
2025-08-09 07:36:57.854
MJD Start
60896.31661857
MJD End
60896.317336278335
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.005462
Ambient temperature (°C)
12.28
Seeing (arcsec)
0.685
Observation
ID
69620
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
51703
Name
HD 218396
RA
346.871632
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 47.8820 47.9610 37.7000 37.8000
U1-U3 90.3210 90.4610 43.4000 43.4000
U1-U4 128.8050 128.8770 64.5760 64.4960
U2-U3 42.9360 42.9950 49.8000 49.7000
U2-U4 88.7460 88.7000 78.6700 78.5700
U3-U4 55.2030 55.0810 100.7470 100.6770
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 60896.31661857
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871632
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 47.882
HIERARCH ESO ISS PBL12 END 47.961
HIERARCH ESO ISS PBLA12 START 37.7
HIERARCH ESO ISS PBLA12 END 37.8
HIERARCH ESO ISS PBL13 START 90.321
HIERARCH ESO ISS PBL13 END 90.461
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 128.805
HIERARCH ESO ISS PBL14 END 128.877
HIERARCH ESO ISS PBLA14 START 64.576
HIERARCH ESO ISS PBLA14 END 64.496
HIERARCH ESO ISS PBL23 START 42.936
HIERARCH ESO ISS PBL23 END 42.995
HIERARCH ESO ISS PBLA23 START 49.8
HIERARCH ESO ISS PBLA23 END 49.7
HIERARCH ESO ISS PBL24 START 88.746
HIERARCH ESO ISS PBL24 END 88.7
HIERARCH ESO ISS PBLA24 START 78.67
HIERARCH ESO ISS PBLA24 END 78.57
HIERARCH ESO ISS PBL34 START 55.203
HIERARCH ESO ISS PBL34 END 55.081
HIERARCH ESO ISS PBLA34 START 100.747
HIERARCH ESO ISS PBLA34 END 100.677
HIERARCH ESO ISS AMBI TAU0 START 0.005921
HIERARCH ESO ISS AMBI TAU0 END 0.005003
HIERARCH ESO ISS AMBI TEMP 12.28
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.7