Exposure
ID
MATIS.2025-08-07T07:53:48.541_1
Header ID
MATIS.2025-08-07T07:53:48.541
Date updated
2025-08-07 08:05:46 UTC+0000
Release date
2026-08-07 08:05:46 UTC+0000
UTC Start
2025-08-07 07:53:48.541
UTC End
2025-08-07 07:54:50.551
MJD Start
60894.32903404
MJD End
60894.32975174833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.00761
Ambient temperature (°C)
13.51
Seeing (arcsec)
0.66
Observation
ID
69477
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
51612
Name
HD 218396
RA
346.871681
DEC
21.13407
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 48.6220 48.6970 38.0000 38.0000
U1-U3 91.6420 91.7740 43.4000 43.4000
U1-U4 129.4190 129.4720 63.8000 63.7170
U2-U3 43.4820 43.5360 49.5000 49.4000
U2-U4 88.2340 88.1740 77.6930 77.5910
U3-U4 53.9840 53.8530 100.0740 100.0050
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 60894.32903404
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871681
DEC 21.13407
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 48.622
HIERARCH ESO ISS PBL12 END 48.697
HIERARCH ESO ISS PBLA12 START 38.0
HIERARCH ESO ISS PBLA12 END 38.0
HIERARCH ESO ISS PBL13 START 91.642
HIERARCH ESO ISS PBL13 END 91.774
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 129.419
HIERARCH ESO ISS PBL14 END 129.472
HIERARCH ESO ISS PBLA14 START 63.8
HIERARCH ESO ISS PBLA14 END 63.717
HIERARCH ESO ISS PBL23 START 43.482
HIERARCH ESO ISS PBL23 END 43.536
HIERARCH ESO ISS PBLA23 START 49.5
HIERARCH ESO ISS PBLA23 END 49.4
HIERARCH ESO ISS PBL24 START 88.234
HIERARCH ESO ISS PBL24 END 88.174
HIERARCH ESO ISS PBLA24 START 77.693
HIERARCH ESO ISS PBLA24 END 77.591
HIERARCH ESO ISS PBL34 START 53.984
HIERARCH ESO ISS PBL34 END 53.853
HIERARCH ESO ISS PBLA34 START 100.074
HIERARCH ESO ISS PBLA34 END 100.005
HIERARCH ESO ISS AMBI TAU0 START 0.00761
HIERARCH ESO ISS AMBI TAU0 END 0.00761
HIERARCH ESO ISS AMBI TEMP 13.51
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.66