Exposure
ID
MATIS.2025-07-10T09:59:24.069_1
Header ID
MATIS.2025-07-10T09:59:24.069
Date updated
2025-07-10 10:06:11 UTC+0000
Release date
2026-07-10 10:06:11 UTC+0000
UTC Start
2025-07-10 09:59:24.069
UTC End
2025-07-10 10:00:26.079
MJD Start
60866.4162508
MJD End
60866.41696850833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0071655
Ambient temperature (°C)
12.5
Seeing (arcsec)
0.425
Observation
ID
68592
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
51009
Name
HD 218396
RA
346.870979
DEC
21.13428
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 49.7130 49.7830 38.2000 38.2000
U1-U3 93.5420 93.6620 43.2000 43.2000
U1-U4 130.0210 130.0460 62.5260 62.4380
U2-U3 44.2400 44.2870 48.9000 48.9000
U2-U4 87.1710 87.0880 76.1240 76.0160
U3-U4 51.9200 51.7750 99.0430 98.9750
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 60866.4162508
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.870979
DEC 21.13428
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 49.713
HIERARCH ESO ISS PBL12 END 49.783
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 93.542
HIERARCH ESO ISS PBL13 END 93.662
HIERARCH ESO ISS PBLA13 START 43.2
HIERARCH ESO ISS PBLA13 END 43.2
HIERARCH ESO ISS PBL14 START 130.021
HIERARCH ESO ISS PBL14 END 130.046
HIERARCH ESO ISS PBLA14 START 62.526
HIERARCH ESO ISS PBLA14 END 62.438
HIERARCH ESO ISS PBL23 START 44.24
HIERARCH ESO ISS PBL23 END 44.287
HIERARCH ESO ISS PBLA23 START 48.9
HIERARCH ESO ISS PBLA23 END 48.9
HIERARCH ESO ISS PBL24 START 87.171
HIERARCH ESO ISS PBL24 END 87.088
HIERARCH ESO ISS PBLA24 START 76.124
HIERARCH ESO ISS PBLA24 END 76.016
HIERARCH ESO ISS PBL34 START 51.92
HIERARCH ESO ISS PBL34 END 51.775
HIERARCH ESO ISS PBLA34 START 99.043
HIERARCH ESO ISS PBLA34 END 98.975
HIERARCH ESO ISS AMBI TAU0 START 0.006954
HIERARCH ESO ISS AMBI TAU0 END 0.007377
HIERARCH ESO ISS AMBI TEMP 12.5
HIERARCH ESO ISS AMBI FWHM START 0.41
HIERARCH ESO ISS AMBI FWHM END 0.44