Exposure
ID
MATIS.2025-08-09T08:13:31.886_1
Header ID
MATIS.2025-08-09T08:13:31.886
Date updated
2025-08-09 08:20:34 UTC+0000
Release date
2026-08-09 08:20:34 UTC+0000
UTC Start
2025-08-09 08:13:31.886
UTC End
2025-08-09 08:14:33.896
MJD Start
60896.34273016
MJD End
60896.343447868334
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.004789
Ambient temperature (°C)
12.62
Seeing (arcsec)
0.525
Observation
ID
69652
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
51719
Name
HD 218396
RA
346.871652
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 50.5100 50.5760 38.2000 38.2000
U1-U3 94.8910 95.0030 43.0000 43.0000
U1-U4 130.2030 130.2070 61.4680 61.3750
U2-U3 44.7550 44.7970 48.4000 48.4000
U2-U4 86.1220 86.0220 74.8430 74.7310
U3-U4 50.1700 50.0140 98.2400 98.1710
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 60896.34273016
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871652
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 50.51
HIERARCH ESO ISS PBL12 END 50.576
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 94.891
HIERARCH ESO ISS PBL13 END 95.003
HIERARCH ESO ISS PBLA13 START 43.0
HIERARCH ESO ISS PBLA13 END 43.0
HIERARCH ESO ISS PBL14 START 130.203
HIERARCH ESO ISS PBL14 END 130.207
HIERARCH ESO ISS PBLA14 START 61.468
HIERARCH ESO ISS PBLA14 END 61.375
HIERARCH ESO ISS PBL23 START 44.755
HIERARCH ESO ISS PBL23 END 44.797
HIERARCH ESO ISS PBLA23 START 48.4
HIERARCH ESO ISS PBLA23 END 48.4
HIERARCH ESO ISS PBL24 START 86.122
HIERARCH ESO ISS PBL24 END 86.022
HIERARCH ESO ISS PBLA24 START 74.843
HIERARCH ESO ISS PBLA24 END 74.731
HIERARCH ESO ISS PBL34 START 50.17
HIERARCH ESO ISS PBL34 END 50.014
HIERARCH ESO ISS PBLA34 START 98.24
HIERARCH ESO ISS PBLA34 END 98.171
HIERARCH ESO ISS AMBI TAU0 START 0.004789
HIERARCH ESO ISS AMBI TAU0 END 0.004789
HIERARCH ESO ISS AMBI TEMP 12.62
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.53