Exposure
ID
MATIS.2025-07-10T09:43:35.782_1
Header ID
MATIS.2025-07-10T09:43:35.782
Date updated
2025-07-10 09:50:45 UTC+0000
Release date
2026-07-10 09:50:45 UTC+0000
UTC Start
2025-07-10 09:43:35.782
UTC End
2025-07-10 09:44:37.792
MJD Start
60866.40527526
MJD End
60866.40599296833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.004732
Ambient temperature (°C)
12.71
Seeing (arcsec)
0.57
Observation
ID
68579
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
51002
Name
HD 218396
RA
346.87097
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 48.6020 48.6770 38.0000 38.0000
U1-U3 91.6060 91.7380 43.4000 43.4000
U1-U4 129.4040 129.4580 63.8240 63.7420
U2-U3 43.4680 43.5220 49.5000 49.5000
U2-U4 88.2510 88.1910 77.7240 77.6210
U3-U4 54.0200 53.8900 100.0960 100.0270
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 60866.40527526
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.87097
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 48.602
HIERARCH ESO ISS PBL12 END 48.677
HIERARCH ESO ISS PBLA12 START 38.0
HIERARCH ESO ISS PBLA12 END 38.0
HIERARCH ESO ISS PBL13 START 91.606
HIERARCH ESO ISS PBL13 END 91.738
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 129.404
HIERARCH ESO ISS PBL14 END 129.458
HIERARCH ESO ISS PBLA14 START 63.824
HIERARCH ESO ISS PBLA14 END 63.742
HIERARCH ESO ISS PBL23 START 43.468
HIERARCH ESO ISS PBL23 END 43.522
HIERARCH ESO ISS PBLA23 START 49.5
HIERARCH ESO ISS PBLA23 END 49.5
HIERARCH ESO ISS PBL24 START 88.251
HIERARCH ESO ISS PBL24 END 88.191
HIERARCH ESO ISS PBLA24 START 77.724
HIERARCH ESO ISS PBLA24 END 77.621
HIERARCH ESO ISS PBL34 START 54.02
HIERARCH ESO ISS PBL34 END 53.89
HIERARCH ESO ISS PBLA34 START 100.096
HIERARCH ESO ISS PBLA34 END 100.027
HIERARCH ESO ISS AMBI TAU0 START 0.004732
HIERARCH ESO ISS AMBI TAU0 END 0.004732
HIERARCH ESO ISS AMBI TEMP 12.71
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.57