Exposure
ID
MATIS.2025-08-09T08:08:45.255_1
Header ID
MATIS.2025-08-09T08:08:45.255
Date updated
2025-08-09 08:15:43 UTC+0000
Release date
2026-08-09 08:15:43 UTC+0000
UTC Start
2025-08-09 08:08:45.255
UTC End
2025-08-09 08:09:47.265
MJD Start
60896.33941267
MJD End
60896.34013037833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.005915
Ambient temperature (°C)
12.54
Seeing (arcsec)
0.45
Observation
ID
69650
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
51718
Name
HD 218396
RA
346.871654
DEC
21.13389
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 50.2000 50.2680 38.2000 38.2000
U1-U3 94.3710 94.4850 43.1000 43.1000
U1-U4 130.1600 130.1730 61.8910 61.8000
U2-U3 44.5590 44.6030 48.6000 48.6000
U2-U4 86.5590 86.4670 75.3540 75.2440
U3-U4 50.8770 50.7250 98.5550 98.4870
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 60896.33941267
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871654
DEC 21.13389
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 50.2
HIERARCH ESO ISS PBL12 END 50.268
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 94.371
HIERARCH ESO ISS PBL13 END 94.485
HIERARCH ESO ISS PBLA13 START 43.1
HIERARCH ESO ISS PBLA13 END 43.1
HIERARCH ESO ISS PBL14 START 130.16
HIERARCH ESO ISS PBL14 END 130.173
HIERARCH ESO ISS PBLA14 START 61.891
HIERARCH ESO ISS PBLA14 END 61.8
HIERARCH ESO ISS PBL23 START 44.559
HIERARCH ESO ISS PBL23 END 44.603
HIERARCH ESO ISS PBLA23 START 48.6
HIERARCH ESO ISS PBLA23 END 48.6
HIERARCH ESO ISS PBL24 START 86.559
HIERARCH ESO ISS PBL24 END 86.467
HIERARCH ESO ISS PBLA24 START 75.354
HIERARCH ESO ISS PBLA24 END 75.244
HIERARCH ESO ISS PBL34 START 50.877
HIERARCH ESO ISS PBL34 END 50.725
HIERARCH ESO ISS PBLA34 START 98.555
HIERARCH ESO ISS PBLA34 END 98.487
HIERARCH ESO ISS AMBI TAU0 START 0.005915
HIERARCH ESO ISS AMBI TAU0 END 0.005915
HIERARCH ESO ISS AMBI TEMP 12.54
HIERARCH ESO ISS AMBI FWHM START 0.44
HIERARCH ESO ISS AMBI FWHM END 0.46