Exposure
ID
MATIS.2025-08-06T07:46:33.230_1
Header ID
MATIS.2025-08-06T07:46:33.230
Date updated
2025-08-06 07:55:50 UTC+0000
Release date
2026-08-06 07:55:50 UTC+0000
UTC Start
2025-08-06 07:46:33.230
UTC End
2025-08-06 07:47:35.240
MJD Start
60893.32399572
MJD End
60893.32471342833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0080955
Ambient temperature (°C)
14.14
Seeing (arcsec)
0.46
Observation
ID
69263
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
51486
Name
HD 218396
RA
346.871629
DEC
21.13407
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 47.7940 47.8740 37.7000 37.7000
U1-U3 90.1600 90.3050 43.4000 43.4000
U1-U4 128.7210 128.7970 64.6680 64.5870
U2-U3 42.8690 42.9300 49.8000 49.8000
U2-U4 88.7970 88.7510 78.7870 78.6840
U3-U4 55.3410 55.2170 100.8300 100.7580
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 60893.32399572
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871629
DEC 21.13407
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 47.794
HIERARCH ESO ISS PBL12 END 47.874
HIERARCH ESO ISS PBLA12 START 37.7
HIERARCH ESO ISS PBLA12 END 37.7
HIERARCH ESO ISS PBL13 START 90.16
HIERARCH ESO ISS PBL13 END 90.305
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 128.721
HIERARCH ESO ISS PBL14 END 128.797
HIERARCH ESO ISS PBLA14 START 64.668
HIERARCH ESO ISS PBLA14 END 64.587
HIERARCH ESO ISS PBL23 START 42.869
HIERARCH ESO ISS PBL23 END 42.93
HIERARCH ESO ISS PBLA23 START 49.8
HIERARCH ESO ISS PBLA23 END 49.8
HIERARCH ESO ISS PBL24 START 88.797
HIERARCH ESO ISS PBL24 END 88.751
HIERARCH ESO ISS PBLA24 START 78.787
HIERARCH ESO ISS PBLA24 END 78.684
HIERARCH ESO ISS PBL34 START 55.341
HIERARCH ESO ISS PBL34 END 55.217
HIERARCH ESO ISS PBLA34 START 100.83
HIERARCH ESO ISS PBLA34 END 100.758
HIERARCH ESO ISS AMBI TAU0 START 0.00833
HIERARCH ESO ISS AMBI TAU0 END 0.007861
HIERARCH ESO ISS AMBI TEMP 14.14
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.46