Exposure
ID
MATIS.2025-08-10T07:01:40.586_1
Header ID
MATIS.2025-08-10T07:01:40.586
Date updated
2025-08-10 07:10:44 UTC+0000
Release date
2026-08-10 07:10:43 UTC+0000
UTC Start
2025-08-10 07:01:40.586
UTC End
2025-08-10 07:02:42.596
MJD Start
60897.29283086
MJD End
60897.293548568334
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0055969999999999995
Ambient temperature (°C)
12.34
Seeing (arcsec)
0.45999999999999996
Observation
ID
69742
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
51786
Name
HD 218396
RA
346.871455
DEC
21.13373
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 45.4980 45.5830 36.7000 36.7000
U1-U3 85.9020 86.0630 43.1000 43.2000
U1-U4 125.8450 125.9730 66.7350 66.6670
U2-U3 41.0190 41.0910 50.3000 50.3000
U2-U4 89.4290 89.4270 81.5090 81.4150
U3-U4 58.3290 58.2370 102.8510 102.7780
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 60897.29283086
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871455
DEC 21.13373
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 45.498
HIERARCH ESO ISS PBL12 END 45.583
HIERARCH ESO ISS PBLA12 START 36.7
HIERARCH ESO ISS PBLA12 END 36.7
HIERARCH ESO ISS PBL13 START 85.902
HIERARCH ESO ISS PBL13 END 86.063
HIERARCH ESO ISS PBLA13 START 43.1
HIERARCH ESO ISS PBLA13 END 43.2
HIERARCH ESO ISS PBL14 START 125.845
HIERARCH ESO ISS PBL14 END 125.973
HIERARCH ESO ISS PBLA14 START 66.735
HIERARCH ESO ISS PBLA14 END 66.667
HIERARCH ESO ISS PBL23 START 41.019
HIERARCH ESO ISS PBL23 END 41.091
HIERARCH ESO ISS PBLA23 START 50.3
HIERARCH ESO ISS PBLA23 END 50.3
HIERARCH ESO ISS PBL24 START 89.429
HIERARCH ESO ISS PBL24 END 89.427
HIERARCH ESO ISS PBLA24 START 81.509
HIERARCH ESO ISS PBLA24 END 81.415
HIERARCH ESO ISS PBL34 START 58.329
HIERARCH ESO ISS PBL34 END 58.237
HIERARCH ESO ISS PBLA34 START 102.851
HIERARCH ESO ISS PBLA34 END 102.778
HIERARCH ESO ISS AMBI TAU0 START 0.005734
HIERARCH ESO ISS AMBI TAU0 END 0.00546
HIERARCH ESO ISS AMBI TEMP 12.34
HIERARCH ESO ISS AMBI FWHM START 0.44
HIERARCH ESO ISS AMBI FWHM END 0.48