Exposure
ID
MATIS.2025-08-07T06:14:29.638_1
Header ID
MATIS.2025-08-07T06:14:29.638
Date updated
2025-08-07 06:25:51 UTC+0000
Release date
2026-08-07 06:25:51 UTC+0000
UTC Start
2025-08-07 06:14:29.638
UTC End
2025-08-07 06:15:31.648
MJD Start
60894.26006526
MJD End
60894.26078296833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.006775
Ambient temperature (°C)
13.39
Seeing (arcsec)
0.59
Observation
ID
69406
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
51575
Name
HD 218396
RA
346.871644
DEC
21.1338
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 40.4820 40.5730 32.3000 32.4000
U1-U3 75.8340 76.0280 40.6000 40.6000
U1-U4 115.2940 115.5400 70.1380 70.0860
U2-U3 36.2380 36.3350 49.8000 49.8000
U2-U4 86.9250 87.0150 86.7270 86.6330
U3-U4 61.9110 61.8760 107.3160 107.2300
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 60894.26006526
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871644
DEC 21.1338
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 40.482
HIERARCH ESO ISS PBL12 END 40.573
HIERARCH ESO ISS PBLA12 START 32.3
HIERARCH ESO ISS PBLA12 END 32.4
HIERARCH ESO ISS PBL13 START 75.834
HIERARCH ESO ISS PBL13 END 76.028
HIERARCH ESO ISS PBLA13 START 40.6
HIERARCH ESO ISS PBLA13 END 40.6
HIERARCH ESO ISS PBL14 START 115.294
HIERARCH ESO ISS PBL14 END 115.54
HIERARCH ESO ISS PBLA14 START 70.138
HIERARCH ESO ISS PBLA14 END 70.086
HIERARCH ESO ISS PBL23 START 36.238
HIERARCH ESO ISS PBL23 END 36.335
HIERARCH ESO ISS PBLA23 START 49.8
HIERARCH ESO ISS PBLA23 END 49.8
HIERARCH ESO ISS PBL24 START 86.925
HIERARCH ESO ISS PBL24 END 87.015
HIERARCH ESO ISS PBLA24 START 86.727
HIERARCH ESO ISS PBLA24 END 86.633
HIERARCH ESO ISS PBL34 START 61.911
HIERARCH ESO ISS PBL34 END 61.876
HIERARCH ESO ISS PBLA34 START 107.316
HIERARCH ESO ISS PBLA34 END 107.23
HIERARCH ESO ISS AMBI TAU0 START 0.006775
HIERARCH ESO ISS AMBI TAU0 END 0.006775
HIERARCH ESO ISS AMBI TEMP 13.39
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.59