Exposure
ID
MATIS.2025-08-11T06:58:49.580_1
Header ID
MATIS.2025-08-11T06:58:49.580
Date updated
2025-08-11 07:10:43 UTC+0000
Release date
2026-08-11 07:10:43 UTC+0000
UTC Start
2025-08-11 06:58:49.580
UTC End
2025-08-11 06:59:51.590
MJD Start
60898.29085162
MJD End
60898.29156932833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0038325
Ambient temperature (°C)
14.88
Seeing (arcsec)
0.41500000000000004
Observation
ID
69872
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
51864
Name
HD 218396
RA
346.871625
DEC
21.1337
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 45.5860 45.6700 36.7000 36.8000
U1-U3 86.0700 86.2300 43.2000 43.2000
U1-U4 125.9790 126.1060 66.6650 66.5960
U2-U3 41.0940 41.1650 50.3000 50.3000
U2-U4 89.4270 89.4240 81.4120 81.3180
U3-U4 58.2330 58.1390 102.7750 102.7020
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 60898.29085162
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871625
DEC 21.1337
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 45.586
HIERARCH ESO ISS PBL12 END 45.67
HIERARCH ESO ISS PBLA12 START 36.7
HIERARCH ESO ISS PBLA12 END 36.8
HIERARCH ESO ISS PBL13 START 86.07
HIERARCH ESO ISS PBL13 END 86.23
HIERARCH ESO ISS PBLA13 START 43.2
HIERARCH ESO ISS PBLA13 END 43.2
HIERARCH ESO ISS PBL14 START 125.979
HIERARCH ESO ISS PBL14 END 126.106
HIERARCH ESO ISS PBLA14 START 66.665
HIERARCH ESO ISS PBLA14 END 66.596
HIERARCH ESO ISS PBL23 START 41.094
HIERARCH ESO ISS PBL23 END 41.165
HIERARCH ESO ISS PBLA23 START 50.3
HIERARCH ESO ISS PBLA23 END 50.3
HIERARCH ESO ISS PBL24 START 89.427
HIERARCH ESO ISS PBL24 END 89.424
HIERARCH ESO ISS PBLA24 START 81.412
HIERARCH ESO ISS PBLA24 END 81.318
HIERARCH ESO ISS PBL34 START 58.233
HIERARCH ESO ISS PBL34 END 58.139
HIERARCH ESO ISS PBLA34 START 102.775
HIERARCH ESO ISS PBLA34 END 102.702
HIERARCH ESO ISS AMBI TAU0 START 0.003864
HIERARCH ESO ISS AMBI TAU0 END 0.003801
HIERARCH ESO ISS AMBI TEMP 14.88
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.4