Exposure
ID
MATIS.2025-08-07T07:05:24.686_1
Header ID
MATIS.2025-08-07T07:05:24.686
Date updated
2025-08-07 07:15:45 UTC+0000
Release date
2026-08-07 07:15:45 UTC+0000
UTC Start
2025-08-07 07:05:24.686
UTC End
2025-08-07 07:06:26.696
MJD Start
60894.29542461
MJD End
60894.29614231833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.009274000000000001
Ambient temperature (°C)
13.35
Seeing (arcsec)
0.58
Observation
ID
69443
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
51594
Name
HD 218396
RA
346.871652
DEC
21.13409
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 44.8340 44.9200 36.2000 36.3000
U1-U3 84.6310 84.7960 43.0000 43.0000
U1-U4 124.7780 124.9210 67.2590 67.1930
U2-U3 40.4450 40.5200 50.4000 50.4000
U2-U4 89.3870 89.3980 82.2360 82.1440
U3-U4 59.0140 58.9300 103.4260 103.3510
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 60894.29542461
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871652
DEC 21.13409
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 44.834
HIERARCH ESO ISS PBL12 END 44.92
HIERARCH ESO ISS PBLA12 START 36.2
HIERARCH ESO ISS PBLA12 END 36.3
HIERARCH ESO ISS PBL13 START 84.631
HIERARCH ESO ISS PBL13 END 84.796
HIERARCH ESO ISS PBLA13 START 43.0
HIERARCH ESO ISS PBLA13 END 43.0
HIERARCH ESO ISS PBL14 START 124.778
HIERARCH ESO ISS PBL14 END 124.921
HIERARCH ESO ISS PBLA14 START 67.259
HIERARCH ESO ISS PBLA14 END 67.193
HIERARCH ESO ISS PBL23 START 40.445
HIERARCH ESO ISS PBL23 END 40.52
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 89.387
HIERARCH ESO ISS PBL24 END 89.398
HIERARCH ESO ISS PBLA24 START 82.236
HIERARCH ESO ISS PBLA24 END 82.144
HIERARCH ESO ISS PBL34 START 59.014
HIERARCH ESO ISS PBL34 END 58.93
HIERARCH ESO ISS PBLA34 START 103.426
HIERARCH ESO ISS PBLA34 END 103.351
HIERARCH ESO ISS AMBI TAU0 START 0.008613
HIERARCH ESO ISS AMBI TAU0 END 0.009935
HIERARCH ESO ISS AMBI TEMP 13.35
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.59