Exposure
ID
MATIS.2025-08-07T05:35:24.710_1
Header ID
MATIS.2025-08-07T05:35:24.710
Date updated
2025-08-07 05:41:10 UTC+0000
Release date
2026-08-07 05:41:10 UTC+0000
UTC Start
2025-08-07 05:35:24.710
UTC End
2025-08-07 05:36:26.720
MJD Start
60894.23292488
MJD End
60894.23364258833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0067475
Ambient temperature (°C)
12.96
Seeing (arcsec)
0.595
Observation
ID
69364
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
51554
Name
HD 218396
RA
346.871619
DEC
21.13382
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 37.2060 37.2890 27.5000 27.7000
U1-U3 68.5770 68.7700 37.0000 37.1000
U1-U4 104.9110 105.2190 71.8340 71.7950
U2-U3 32.4600 32.5640 47.8000 47.9000
U2-U4 82.4960 82.6400 90.2040 90.1100
U3-U4 62.4630 62.4660 110.6990 110.6040
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 60894.23292488
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871619
DEC 21.13382
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 37.206
HIERARCH ESO ISS PBL12 END 37.289
HIERARCH ESO ISS PBLA12 START 27.5
HIERARCH ESO ISS PBLA12 END 27.7
HIERARCH ESO ISS PBL13 START 68.577
HIERARCH ESO ISS PBL13 END 68.77
HIERARCH ESO ISS PBLA13 START 37.0
HIERARCH ESO ISS PBLA13 END 37.1
HIERARCH ESO ISS PBL14 START 104.911
HIERARCH ESO ISS PBL14 END 105.219
HIERARCH ESO ISS PBLA14 START 71.834
HIERARCH ESO ISS PBLA14 END 71.795
HIERARCH ESO ISS PBL23 START 32.46
HIERARCH ESO ISS PBL23 END 32.564
HIERARCH ESO ISS PBLA23 START 47.8
HIERARCH ESO ISS PBLA23 END 47.9
HIERARCH ESO ISS PBL24 START 82.496
HIERARCH ESO ISS PBL24 END 82.64
HIERARCH ESO ISS PBLA24 START 90.204
HIERARCH ESO ISS PBLA24 END 90.11
HIERARCH ESO ISS PBL34 START 62.463
HIERARCH ESO ISS PBL34 END 62.466
HIERARCH ESO ISS PBLA34 START 110.699
HIERARCH ESO ISS PBLA34 END 110.604
HIERARCH ESO ISS AMBI TAU0 START 0.006777
HIERARCH ESO ISS AMBI TAU0 END 0.006718
HIERARCH ESO ISS AMBI TEMP 12.96
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.62