Exposure
ID
MATIS.2025-08-11T07:30:20.004_1
Header ID
MATIS.2025-08-11T07:30:20.004
Date updated
2025-08-11 07:40:43 UTC+0000
Release date
2026-08-11 07:40:43 UTC+0000
UTC Start
2025-08-11 07:30:20.004
UTC End
2025-08-11 07:31:22.014
MJD Start
60898.31273153
MJD End
60898.31344923833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0034349999999999997
Ambient temperature (°C)
14.75
Seeing (arcsec)
0.495
Observation
ID
69901
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
51879
Name
HD 218396
RA
346.871644
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 48.0510 48.1310 37.8000 37.8000
U1-U3 90.6250 90.7670 43.4000 43.4000
U1-U4 128.9590 129.0280 64.4080 64.3260
U2-U3 43.0630 43.1220 49.7000 49.7000
U2-U4 88.6430 88.5920 78.4560 78.3530
U3-U4 54.9360 54.8090 100.5990 100.5270
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 60898.31273153
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871644
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 48.051
HIERARCH ESO ISS PBL12 END 48.131
HIERARCH ESO ISS PBLA12 START 37.8
HIERARCH ESO ISS PBLA12 END 37.8
HIERARCH ESO ISS PBL13 START 90.625
HIERARCH ESO ISS PBL13 END 90.767
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 128.959
HIERARCH ESO ISS PBL14 END 129.028
HIERARCH ESO ISS PBLA14 START 64.408
HIERARCH ESO ISS PBLA14 END 64.326
HIERARCH ESO ISS PBL23 START 43.063
HIERARCH ESO ISS PBL23 END 43.122
HIERARCH ESO ISS PBLA23 START 49.7
HIERARCH ESO ISS PBLA23 END 49.7
HIERARCH ESO ISS PBL24 START 88.643
HIERARCH ESO ISS PBL24 END 88.592
HIERARCH ESO ISS PBLA24 START 78.456
HIERARCH ESO ISS PBLA24 END 78.353
HIERARCH ESO ISS PBL34 START 54.936
HIERARCH ESO ISS PBL34 END 54.809
HIERARCH ESO ISS PBLA34 START 100.599
HIERARCH ESO ISS PBLA34 END 100.527
HIERARCH ESO ISS AMBI TAU0 START 0.003679
HIERARCH ESO ISS AMBI TAU0 END 0.003191
HIERARCH ESO ISS AMBI TEMP 14.75
HIERARCH ESO ISS AMBI FWHM START 0.47
HIERARCH ESO ISS AMBI FWHM END 0.52