Exposure
ID
MATIS.2025-08-07T08:54:04.813_1
Header ID
MATIS.2025-08-07T08:54:04.813
Date updated
2025-08-07 09:00:34 UTC+0000
Release date
2026-08-07 09:00:34 UTC+0000
UTC Start
2025-08-07 08:54:04.813
UTC End
2025-08-07 08:55:06.823
MJD Start
60894.37088904
MJD End
60894.37160674833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.006720500000000001
Ambient temperature (°C)
13.3
Seeing (arcsec)
0.62
Observation
ID
69508
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
51627
Name
HD 218396
RA
346.8717
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 52.4320 52.4870 38.0000 38.0000
U1-U3 97.9790 98.0630 42.0000 42.0000
U1-U4 129.4940 129.4450 58.3150 58.2080
U2-U3 45.8280 45.8540 46.7000 46.6000
U2-U4 82.3620 82.2230 71.0890 70.9620
U3-U4 44.8260 44.6440 96.0790 96.0100
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 60894.37088904
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.8717
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 52.432
HIERARCH ESO ISS PBL12 END 52.487
HIERARCH ESO ISS PBLA12 START 38.0
HIERARCH ESO ISS PBLA12 END 38.0
HIERARCH ESO ISS PBL13 START 97.979
HIERARCH ESO ISS PBL13 END 98.063
HIERARCH ESO ISS PBLA13 START 42.0
HIERARCH ESO ISS PBLA13 END 42.0
HIERARCH ESO ISS PBL14 START 129.494
HIERARCH ESO ISS PBL14 END 129.445
HIERARCH ESO ISS PBLA14 START 58.315
HIERARCH ESO ISS PBLA14 END 58.208
HIERARCH ESO ISS PBL23 START 45.828
HIERARCH ESO ISS PBL23 END 45.854
HIERARCH ESO ISS PBLA23 START 46.7
HIERARCH ESO ISS PBLA23 END 46.6
HIERARCH ESO ISS PBL24 START 82.362
HIERARCH ESO ISS PBL24 END 82.223
HIERARCH ESO ISS PBLA24 START 71.089
HIERARCH ESO ISS PBLA24 END 70.962
HIERARCH ESO ISS PBL34 START 44.826
HIERARCH ESO ISS PBL34 END 44.644
HIERARCH ESO ISS PBLA34 START 96.079
HIERARCH ESO ISS PBLA34 END 96.01
HIERARCH ESO ISS AMBI TAU0 START 0.006792
HIERARCH ESO ISS AMBI TAU0 END 0.006649
HIERARCH ESO ISS AMBI TEMP 13.3
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.6