Exposure
ID
MATIS.2025-08-07T08:22:58.141_1
Header ID
MATIS.2025-08-07T08:22:58.141
Date updated
2025-08-07 08:35:39 UTC+0000
Release date
2026-08-07 08:35:39 UTC+0000
UTC Start
2025-08-07 08:22:58.141
UTC End
2025-08-07 08:24:00.151
MJD Start
60894.34928404
MJD End
60894.35000174833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0078095000000000005
Ambient temperature (°C)
13.72
Seeing (arcsec)
0.57
Observation
ID
69492
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
51619
Name
HD 218396
RA
346.871691
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 50.6110 50.6770 38.2000 38.2000
U1-U3 95.0610 95.1700 43.0000 43.0000
U1-U4 130.2080 130.2100 61.3270 61.2340
U2-U3 44.8180 44.8590 48.3000 48.3000
U2-U4 85.9690 85.8690 74.6740 74.5610
U3-U4 49.9300 49.7730 98.1380 98.0700
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 60894.34928404
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871691
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 50.611
HIERARCH ESO ISS PBL12 END 50.677
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 95.061
HIERARCH ESO ISS PBL13 END 95.17
HIERARCH ESO ISS PBLA13 START 43.0
HIERARCH ESO ISS PBLA13 END 43.0
HIERARCH ESO ISS PBL14 START 130.208
HIERARCH ESO ISS PBL14 END 130.21
HIERARCH ESO ISS PBLA14 START 61.327
HIERARCH ESO ISS PBLA14 END 61.234
HIERARCH ESO ISS PBL23 START 44.818
HIERARCH ESO ISS PBL23 END 44.859
HIERARCH ESO ISS PBLA23 START 48.3
HIERARCH ESO ISS PBLA23 END 48.3
HIERARCH ESO ISS PBL24 START 85.969
HIERARCH ESO ISS PBL24 END 85.869
HIERARCH ESO ISS PBLA24 START 74.674
HIERARCH ESO ISS PBLA24 END 74.561
HIERARCH ESO ISS PBL34 START 49.93
HIERARCH ESO ISS PBL34 END 49.773
HIERARCH ESO ISS PBLA34 START 98.138
HIERARCH ESO ISS PBLA34 END 98.07
HIERARCH ESO ISS AMBI TAU0 START 0.00846
HIERARCH ESO ISS AMBI TAU0 END 0.007159
HIERARCH ESO ISS AMBI TEMP 13.72
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.57