Exposure
ID
MATIS.2025-08-06T09:02:18.691_1
Header ID
MATIS.2025-08-06T09:02:18.691
Date updated
2025-08-06 09:10:45 UTC+0000
Release date
2026-08-06 09:10:45 UTC+0000
UTC Start
2025-08-06 09:02:18.691
UTC End
2025-08-06 09:03:20.701
MJD Start
60893.37660522
MJD End
60893.37732292833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0070905
Ambient temperature (°C)
14.43
Seeing (arcsec)
0.41000000000000003
Observation
ID
69315
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
51513
Name
HD 218396
RA
346.871656
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 52.6570 52.7100 37.9000 37.9000
U1-U3 98.3220 98.4020 41.9000 41.8000
U1-U4 129.2770 129.2210 57.8650 57.7560
U2-U3 45.9350 45.9590 46.4000 46.3000
U2-U4 81.7750 81.6310 70.5560 70.4260
U3-U4 44.0620 43.8760 95.7910 95.7210
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 60893.37660522
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871656
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 52.657
HIERARCH ESO ISS PBL12 END 52.71
HIERARCH ESO ISS PBLA12 START 37.9
HIERARCH ESO ISS PBLA12 END 37.9
HIERARCH ESO ISS PBL13 START 98.322
HIERARCH ESO ISS PBL13 END 98.402
HIERARCH ESO ISS PBLA13 START 41.9
HIERARCH ESO ISS PBLA13 END 41.8
HIERARCH ESO ISS PBL14 START 129.277
HIERARCH ESO ISS PBL14 END 129.221
HIERARCH ESO ISS PBLA14 START 57.865
HIERARCH ESO ISS PBLA14 END 57.756
HIERARCH ESO ISS PBL23 START 45.935
HIERARCH ESO ISS PBL23 END 45.959
HIERARCH ESO ISS PBLA23 START 46.4
HIERARCH ESO ISS PBLA23 END 46.3
HIERARCH ESO ISS PBL24 START 81.775
HIERARCH ESO ISS PBL24 END 81.631
HIERARCH ESO ISS PBLA24 START 70.556
HIERARCH ESO ISS PBLA24 END 70.426
HIERARCH ESO ISS PBL34 START 44.062
HIERARCH ESO ISS PBL34 END 43.876
HIERARCH ESO ISS PBLA34 START 95.791
HIERARCH ESO ISS PBLA34 END 95.721
HIERARCH ESO ISS AMBI TAU0 START 0.007131
HIERARCH ESO ISS AMBI TAU0 END 0.00705
HIERARCH ESO ISS AMBI TEMP 14.43
HIERARCH ESO ISS AMBI FWHM START 0.42
HIERARCH ESO ISS AMBI FWHM END 0.4