Exposure
ID
MATIS.2025-08-07T09:08:17.084_1
Header ID
MATIS.2025-08-07T09:08:17.084
Date updated
2025-08-07 09:15:50 UTC+0000
Release date
2026-08-07 09:15:49 UTC+0000
UTC Start
2025-08-07 09:08:17.084
UTC End
2025-08-07 09:09:19.094
MJD Start
60894.38075329
MJD End
60894.381470998334
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.005079
Ambient temperature (°C)
13.28
Seeing (arcsec)
0.71
Observation
ID
69504
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
51624
Name
HD 218396
RA
346.871702
DEC
21.13408
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 53.1520 53.2010 37.7000 37.7000
U1-U3 99.0580 99.1300 41.5000 41.4000
U1-U4 128.6740 128.6030 56.7940 56.6790
U2-U3 46.1500 46.1700 45.8000 45.7000
U2-U4 80.3440 80.1890 69.2870 69.1510
U3-U4 42.2470 42.0540 95.1210 95.0510
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 60894.38075329
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871702
DEC 21.13408
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 53.152
HIERARCH ESO ISS PBL12 END 53.201
HIERARCH ESO ISS PBLA12 START 37.7
HIERARCH ESO ISS PBLA12 END 37.7
HIERARCH ESO ISS PBL13 START 99.058
HIERARCH ESO ISS PBL13 END 99.13
HIERARCH ESO ISS PBLA13 START 41.5
HIERARCH ESO ISS PBLA13 END 41.4
HIERARCH ESO ISS PBL14 START 128.674
HIERARCH ESO ISS PBL14 END 128.603
HIERARCH ESO ISS PBLA14 START 56.794
HIERARCH ESO ISS PBLA14 END 56.679
HIERARCH ESO ISS PBL23 START 46.15
HIERARCH ESO ISS PBL23 END 46.17
HIERARCH ESO ISS PBLA23 START 45.8
HIERARCH ESO ISS PBLA23 END 45.7
HIERARCH ESO ISS PBL24 START 80.344
HIERARCH ESO ISS PBL24 END 80.189
HIERARCH ESO ISS PBLA24 START 69.287
HIERARCH ESO ISS PBLA24 END 69.151
HIERARCH ESO ISS PBL34 START 42.247
HIERARCH ESO ISS PBL34 END 42.054
HIERARCH ESO ISS PBLA34 START 95.121
HIERARCH ESO ISS PBLA34 END 95.051
HIERARCH ESO ISS AMBI TAU0 START 0.005079
HIERARCH ESO ISS AMBI TAU0 END 0.005079
HIERARCH ESO ISS AMBI TEMP 13.28
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.71