Exposure
ID
MATIS.2025-08-07T05:28:57.779_1
Header ID
MATIS.2025-08-07T05:28:57.779
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 05:28:57.779
UTC End
2025-08-07 05:29:59.789
MJD Start
60894.22844652
MJD End
60894.22916422833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.007756
Ambient temperature (°C)
13.01
Seeing (arcsec)
0.5449999999999999
Observation
ID
69358
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
51551
Name
HD 218396
RA
346.871615
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 36.6960 36.7770 26.5000 26.7000
U1-U3 67.3800 67.5720 36.2000 36.3000
U1-U4 102.9560 103.2740 72.0670 72.0310
U2-U3 31.8050 31.9110 47.4000 47.4000
U2-U4 81.5620 81.7160 90.7940 90.6990
U3-U4 62.4190 62.4280 111.3000 111.2020
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 60894.22844652
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871615
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 36.696
HIERARCH ESO ISS PBL12 END 36.777
HIERARCH ESO ISS PBLA12 START 26.5
HIERARCH ESO ISS PBLA12 END 26.7
HIERARCH ESO ISS PBL13 START 67.38
HIERARCH ESO ISS PBL13 END 67.572
HIERARCH ESO ISS PBLA13 START 36.2
HIERARCH ESO ISS PBLA13 END 36.3
HIERARCH ESO ISS PBL14 START 102.956
HIERARCH ESO ISS PBL14 END 103.274
HIERARCH ESO ISS PBLA14 START 72.067
HIERARCH ESO ISS PBLA14 END 72.031
HIERARCH ESO ISS PBL23 START 31.805
HIERARCH ESO ISS PBL23 END 31.911
HIERARCH ESO ISS PBLA23 START 47.4
HIERARCH ESO ISS PBLA23 END 47.4
HIERARCH ESO ISS PBL24 START 81.562
HIERARCH ESO ISS PBL24 END 81.716
HIERARCH ESO ISS PBLA24 START 90.794
HIERARCH ESO ISS PBLA24 END 90.699
HIERARCH ESO ISS PBL34 START 62.419
HIERARCH ESO ISS PBL34 END 62.428
HIERARCH ESO ISS PBLA34 START 111.3
HIERARCH ESO ISS PBLA34 END 111.202
HIERARCH ESO ISS AMBI TAU0 START 0.007756
HIERARCH ESO ISS AMBI TAU0 END 0.007756
HIERARCH ESO ISS AMBI TEMP 13.01
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.6