Exposure
ID
MATIS.2025-08-11T07:10:13.604_1
Header ID
MATIS.2025-08-11T07:10:13.604
Date updated
2025-08-11 07:20:33 UTC+0000
Release date
2026-08-11 07:20:33 UTC+0000
UTC Start
2025-08-11 07:10:13.604
UTC End
2025-08-11 07:11:15.614
MJD Start
60898.29876857
MJD End
60898.29948627833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.004656
Ambient temperature (°C)
15.16
Seeing (arcsec)
0.435
Observation
ID
69882
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
51869
Name
HD 218396
RA
346.871628
DEC
21.13369
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 46.5040 46.5850 37.2000 37.2000
U1-U3 87.7940 87.9470 43.3000 43.3000
U1-U4 127.2650 127.3700 65.8840 65.8120
U2-U3 41.8550 41.9220 50.2000 50.2000
U2-U4 89.3080 89.2870 80.3640 80.2680
U3-U4 57.1460 57.0420 101.9760 101.9040
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 60898.29876857
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871628
DEC 21.13369
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 46.504
HIERARCH ESO ISS PBL12 END 46.585
HIERARCH ESO ISS PBLA12 START 37.2
HIERARCH ESO ISS PBLA12 END 37.2
HIERARCH ESO ISS PBL13 START 87.794
HIERARCH ESO ISS PBL13 END 87.947
HIERARCH ESO ISS PBLA13 START 43.3
HIERARCH ESO ISS PBLA13 END 43.3
HIERARCH ESO ISS PBL14 START 127.265
HIERARCH ESO ISS PBL14 END 127.37
HIERARCH ESO ISS PBLA14 START 65.884
HIERARCH ESO ISS PBLA14 END 65.812
HIERARCH ESO ISS PBL23 START 41.855
HIERARCH ESO ISS PBL23 END 41.922
HIERARCH ESO ISS PBLA23 START 50.2
HIERARCH ESO ISS PBLA23 END 50.2
HIERARCH ESO ISS PBL24 START 89.308
HIERARCH ESO ISS PBL24 END 89.287
HIERARCH ESO ISS PBLA24 START 80.364
HIERARCH ESO ISS PBLA24 END 80.268
HIERARCH ESO ISS PBL34 START 57.146
HIERARCH ESO ISS PBL34 END 57.042
HIERARCH ESO ISS PBLA34 START 101.976
HIERARCH ESO ISS PBLA34 END 101.904
HIERARCH ESO ISS AMBI TAU0 START 0.004656
HIERARCH ESO ISS AMBI TAU0 END 0.004656
HIERARCH ESO ISS AMBI TEMP 15.16
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.44