Exposure
ID
MATIS.2025-08-11T08:03:53.858_1
Header ID
MATIS.2025-08-11T08:03:53.858
Date updated
2025-08-11 08:10:42 UTC+0000
Release date
2026-08-11 08:10:41 UTC+0000
UTC Start
2025-08-11 08:03:53.858
UTC End
2025-08-11 08:04:55.868
MJD Start
60898.33604002
MJD End
60898.336757728335
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0047065
Ambient temperature (°C)
14.73
Seeing (arcsec)
0.39
Observation
ID
69926
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
51892
Name
HD 218396
RA
346.871662
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 50.3950 50.4620 38.2000 38.2000
U1-U3 94.7000 94.8120 43.1000 43.0000
U1-U4 130.1910 130.1990 61.6310 61.5390
U2-U3 44.6830 44.7250 48.5000 48.4000
U2-U4 86.2880 86.1920 75.0380 74.9270
U3-U4 50.4350 50.2810 98.3610 98.2930
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 60898.33604002
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871662
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 50.395
HIERARCH ESO ISS PBL12 END 50.462
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 94.7
HIERARCH ESO ISS PBL13 END 94.812
HIERARCH ESO ISS PBLA13 START 43.1
HIERARCH ESO ISS PBLA13 END 43.0
HIERARCH ESO ISS PBL14 START 130.191
HIERARCH ESO ISS PBL14 END 130.199
HIERARCH ESO ISS PBLA14 START 61.631
HIERARCH ESO ISS PBLA14 END 61.539
HIERARCH ESO ISS PBL23 START 44.683
HIERARCH ESO ISS PBL23 END 44.725
HIERARCH ESO ISS PBLA23 START 48.5
HIERARCH ESO ISS PBLA23 END 48.4
HIERARCH ESO ISS PBL24 START 86.288
HIERARCH ESO ISS PBL24 END 86.192
HIERARCH ESO ISS PBLA24 START 75.038
HIERARCH ESO ISS PBLA24 END 74.927
HIERARCH ESO ISS PBL34 START 50.435
HIERARCH ESO ISS PBL34 END 50.281
HIERARCH ESO ISS PBLA34 START 98.361
HIERARCH ESO ISS PBLA34 END 98.293
HIERARCH ESO ISS AMBI TAU0 START 0.004841
HIERARCH ESO ISS AMBI TAU0 END 0.004572
HIERARCH ESO ISS AMBI TEMP 14.73
HIERARCH ESO ISS AMBI FWHM START 0.39
HIERARCH ESO ISS AMBI FWHM END 0.39