Exposure
ID
MATIS.2025-08-06T07:18:37.765_1
Header ID
MATIS.2025-08-06T07:18:37.765
Date updated
2025-08-06 07:25:42 UTC+0000
Release date
2026-08-06 07:25:42 UTC+0000
UTC Start
2025-08-06 07:18:37.765
UTC End
2025-08-06 07:19:39.775
MJD Start
60893.30460376
MJD End
60893.30532146833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.007264
Ambient temperature (°C)
14.33
Seeing (arcsec)
0.5900000000000001
Observation
ID
69241
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
51475
Name
HD 218396
RA
346.871608
DEC
21.13407
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 45.5990 45.6840 36.7000 36.8000
U1-U3 86.0950 86.2540 43.2000 43.2000
U1-U4 125.9990 126.1250 66.6520 66.5830
U2-U3 41.1050 41.1760 50.3000 50.3000
U2-U4 89.4270 89.4240 81.3960 81.3010
U3-U4 58.2180 58.1250 102.7620 102.6890
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 60893.30460376
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871608
DEC 21.13407
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 45.599
HIERARCH ESO ISS PBL12 END 45.684
HIERARCH ESO ISS PBLA12 START 36.7
HIERARCH ESO ISS PBLA12 END 36.8
HIERARCH ESO ISS PBL13 START 86.095
HIERARCH ESO ISS PBL13 END 86.254
HIERARCH ESO ISS PBLA13 START 43.2
HIERARCH ESO ISS PBLA13 END 43.2
HIERARCH ESO ISS PBL14 START 125.999
HIERARCH ESO ISS PBL14 END 126.125
HIERARCH ESO ISS PBLA14 START 66.652
HIERARCH ESO ISS PBLA14 END 66.583
HIERARCH ESO ISS PBL23 START 41.105
HIERARCH ESO ISS PBL23 END 41.176
HIERARCH ESO ISS PBLA23 START 50.3
HIERARCH ESO ISS PBLA23 END 50.3
HIERARCH ESO ISS PBL24 START 89.427
HIERARCH ESO ISS PBL24 END 89.424
HIERARCH ESO ISS PBLA24 START 81.396
HIERARCH ESO ISS PBLA24 END 81.301
HIERARCH ESO ISS PBL34 START 58.218
HIERARCH ESO ISS PBL34 END 58.125
HIERARCH ESO ISS PBLA34 START 102.762
HIERARCH ESO ISS PBLA34 END 102.689
HIERARCH ESO ISS AMBI TAU0 START 0.007643
HIERARCH ESO ISS AMBI TAU0 END 0.006885
HIERARCH ESO ISS AMBI TEMP 14.33
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.55