Exposure
ID
MATIS.2025-08-07T08:38:03.991_1
Header ID
MATIS.2025-08-07T08:38:03.991
Date updated
2025-08-07 08:45:42 UTC+0000
Release date
2026-08-07 08:45:42 UTC+0000
UTC Start
2025-08-07 08:38:03.991
UTC End
2025-08-07 08:39:06.001
MJD Start
60894.35976841
MJD End
60894.360486118334
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0064165
Ambient temperature (°C)
13.44
Seeing (arcsec)
0.56
Observation
ID
69500
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
51623
Name
HD 218396
RA
346.871698
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 51.5360 51.5960 38.2000 38.2000
U1-U3 96.5730 96.6700 42.6000 42.6000
U1-U4 130.0540 130.0300 59.9170 59.8170
U2-U3 45.3610 45.3950 47.6000 47.5000
U2-U4 84.3640 84.2440 72.9890 72.8700
U3-U4 47.5490 47.3790 97.1410 97.0730
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 60894.35976841
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871698
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 51.536
HIERARCH ESO ISS PBL12 END 51.596
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 96.573
HIERARCH ESO ISS PBL13 END 96.67
HIERARCH ESO ISS PBLA13 START 42.6
HIERARCH ESO ISS PBLA13 END 42.6
HIERARCH ESO ISS PBL14 START 130.054
HIERARCH ESO ISS PBL14 END 130.03
HIERARCH ESO ISS PBLA14 START 59.917
HIERARCH ESO ISS PBLA14 END 59.817
HIERARCH ESO ISS PBL23 START 45.361
HIERARCH ESO ISS PBL23 END 45.395
HIERARCH ESO ISS PBLA23 START 47.6
HIERARCH ESO ISS PBLA23 END 47.5
HIERARCH ESO ISS PBL24 START 84.364
HIERARCH ESO ISS PBL24 END 84.244
HIERARCH ESO ISS PBLA24 START 72.989
HIERARCH ESO ISS PBLA24 END 72.87
HIERARCH ESO ISS PBL34 START 47.549
HIERARCH ESO ISS PBL34 END 47.379
HIERARCH ESO ISS PBLA34 START 97.141
HIERARCH ESO ISS PBLA34 END 97.073
HIERARCH ESO ISS AMBI TAU0 START 0.006449
HIERARCH ESO ISS AMBI TAU0 END 0.006384
HIERARCH ESO ISS AMBI TEMP 13.44
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.53