Exposure
ID
MATIS.2025-08-06T09:03:55.892_1
Header ID
MATIS.2025-08-06T09:03:55.892
Date updated
2025-08-06 09:15:49 UTC+0000
Release date
2026-08-06 09:15:49 UTC+0000
UTC Start
2025-08-06 09:03:55.892
UTC End
2025-08-06 09:04:57.902
MJD Start
60893.37773023
MJD End
60893.37844793833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0073
Ambient temperature (°C)
14.3
Seeing (arcsec)
0.395
Observation
ID
69313
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
51512
Name
HD 218396
RA
346.871657
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 52.7410 52.7940 37.9000 37.9000
U1-U3 98.4490 98.5280 41.8000 41.8000
U1-U4 129.1880 129.1290 57.6920 57.5820
U2-U3 45.9730 45.9970 46.3000 46.2000
U2-U4 81.5460 81.4000 70.3510 70.2200
U3-U4 43.7670 43.5800 95.6810 95.6110
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 60893.37773023
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871657
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 52.741
HIERARCH ESO ISS PBL12 END 52.794
HIERARCH ESO ISS PBLA12 START 37.9
HIERARCH ESO ISS PBLA12 END 37.9
HIERARCH ESO ISS PBL13 START 98.449
HIERARCH ESO ISS PBL13 END 98.528
HIERARCH ESO ISS PBLA13 START 41.8
HIERARCH ESO ISS PBLA13 END 41.8
HIERARCH ESO ISS PBL14 START 129.188
HIERARCH ESO ISS PBL14 END 129.129
HIERARCH ESO ISS PBLA14 START 57.692
HIERARCH ESO ISS PBLA14 END 57.582
HIERARCH ESO ISS PBL23 START 45.973
HIERARCH ESO ISS PBL23 END 45.997
HIERARCH ESO ISS PBLA23 START 46.3
HIERARCH ESO ISS PBLA23 END 46.2
HIERARCH ESO ISS PBL24 START 81.546
HIERARCH ESO ISS PBL24 END 81.4
HIERARCH ESO ISS PBLA24 START 70.351
HIERARCH ESO ISS PBLA24 END 70.22
HIERARCH ESO ISS PBL34 START 43.767
HIERARCH ESO ISS PBL34 END 43.58
HIERARCH ESO ISS PBLA34 START 95.681
HIERARCH ESO ISS PBLA34 END 95.611
HIERARCH ESO ISS AMBI TAU0 START 0.00705
HIERARCH ESO ISS AMBI TAU0 END 0.00755
HIERARCH ESO ISS AMBI TEMP 14.3
HIERARCH ESO ISS AMBI FWHM START 0.4
HIERARCH ESO ISS AMBI FWHM END 0.39