Exposure
ID
MATIS.2025-08-09T06:53:08.608_1
Header ID
MATIS.2025-08-09T06:53:08.608
Date updated
2025-08-09 07:00:44 UTC+0000
Release date
2026-08-09 07:00:44 UTC+0000
UTC Start
2025-08-09 06:53:08.608
UTC End
2025-08-09 06:54:10.618
MJD Start
60896.28690519
MJD End
60896.28762289833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.00518
Ambient temperature (°C)
12.6
Seeing (arcsec)
0.74
Observation
ID
69581
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
51684
Name
HD 218396
RA
346.871596
DEC
21.1339
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 44.4660 44.5540 36.0000 36.1000
U1-U3 83.9170 84.0890 42.8000 42.9000
U1-U4 124.1420 124.2980 67.5350 67.4690
U2-U3 40.1180 40.1970 50.4000 50.4000
U2-U4 89.3240 89.3420 82.6290 82.5350
U3-U4 59.3640 59.2820 103.7420 103.6650
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 60896.28690519
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871596
DEC 21.1339
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 44.466
HIERARCH ESO ISS PBL12 END 44.554
HIERARCH ESO ISS PBLA12 START 36.0
HIERARCH ESO ISS PBLA12 END 36.1
HIERARCH ESO ISS PBL13 START 83.917
HIERARCH ESO ISS PBL13 END 84.089
HIERARCH ESO ISS PBLA13 START 42.8
HIERARCH ESO ISS PBLA13 END 42.9
HIERARCH ESO ISS PBL14 START 124.142
HIERARCH ESO ISS PBL14 END 124.298
HIERARCH ESO ISS PBLA14 START 67.535
HIERARCH ESO ISS PBLA14 END 67.469
HIERARCH ESO ISS PBL23 START 40.118
HIERARCH ESO ISS PBL23 END 40.197
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 89.324
HIERARCH ESO ISS PBL24 END 89.342
HIERARCH ESO ISS PBLA24 START 82.629
HIERARCH ESO ISS PBLA24 END 82.535
HIERARCH ESO ISS PBL34 START 59.364
HIERARCH ESO ISS PBL34 END 59.282
HIERARCH ESO ISS PBLA34 START 103.742
HIERARCH ESO ISS PBLA34 END 103.665
HIERARCH ESO ISS AMBI TAU0 START 0.00518
HIERARCH ESO ISS AMBI TAU0 END 0.00518
HIERARCH ESO ISS AMBI TEMP 12.6
HIERARCH ESO ISS AMBI FWHM START 0.74
HIERARCH ESO ISS AMBI FWHM END 0.74