Exposure
ID
MATIS.2025-08-09T07:09:45.892_1
Header ID
MATIS.2025-08-09T07:09:45.892
Date updated
2025-08-09 07:15:43 UTC+0000
Release date
2026-08-09 07:15:42 UTC+0000
UTC Start
2025-08-09 07:09:45.892
UTC End
2025-08-09 07:10:47.902
MJD Start
60896.29844782
MJD End
60896.29916552833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.003995
Ambient temperature (°C)
12.43
Seeing (arcsec)
0.76
Observation
ID
69598
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
51692
Name
HD 218396
RA
346.871612
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 45.8360 45.9210 36.8000 36.9000
U1-U3 86.5430 86.7020 43.2000 43.2000
U1-U4 126.3500 126.4710 66.4530 66.3820
U2-U3 41.3050 41.3750 50.3000 50.3000
U2-U4 89.4130 89.4060 81.1260 81.0310
U3-U4 57.9520 57.8550 102.5530 102.4800
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 60896.29844782
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871612
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 45.836
HIERARCH ESO ISS PBL12 END 45.921
HIERARCH ESO ISS PBLA12 START 36.8
HIERARCH ESO ISS PBLA12 END 36.9
HIERARCH ESO ISS PBL13 START 86.543
HIERARCH ESO ISS PBL13 END 86.702
HIERARCH ESO ISS PBLA13 START 43.2
HIERARCH ESO ISS PBLA13 END 43.2
HIERARCH ESO ISS PBL14 START 126.35
HIERARCH ESO ISS PBL14 END 126.471
HIERARCH ESO ISS PBLA14 START 66.453
HIERARCH ESO ISS PBLA14 END 66.382
HIERARCH ESO ISS PBL23 START 41.305
HIERARCH ESO ISS PBL23 END 41.375
HIERARCH ESO ISS PBLA23 START 50.3
HIERARCH ESO ISS PBLA23 END 50.3
HIERARCH ESO ISS PBL24 START 89.413
HIERARCH ESO ISS PBL24 END 89.406
HIERARCH ESO ISS PBLA24 START 81.126
HIERARCH ESO ISS PBLA24 END 81.031
HIERARCH ESO ISS PBL34 START 57.952
HIERARCH ESO ISS PBL34 END 57.855
HIERARCH ESO ISS PBLA34 START 102.553
HIERARCH ESO ISS PBLA34 END 102.48
HIERARCH ESO ISS AMBI TAU0 START 0.003999
HIERARCH ESO ISS AMBI TAU0 END 0.003991
HIERARCH ESO ISS AMBI TEMP 12.43
HIERARCH ESO ISS AMBI FWHM START 0.77
HIERARCH ESO ISS AMBI FWHM END 0.75