Exposure
ID
MATIS.2025-08-06T07:02:01.669_1
Header ID
MATIS.2025-08-06T07:02:01.669
Date updated
2025-08-06 07:10:44 UTC+0000
Release date
2026-08-06 07:10:44 UTC+0000
UTC Start
2025-08-06 07:02:01.669
UTC End
2025-08-06 07:03:03.679
MJD Start
60893.29307487
MJD End
60893.29379257833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.00465
Ambient temperature (°C)
14.57
Seeing (arcsec)
0.62
Observation
ID
69225
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
51466
Name
HD 218396
RA
346.871597
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 44.2230 44.3100 35.8000 35.9000
U1-U3 83.4440 83.6140 42.7000 42.8000
U1-U4 123.7070 123.8640 67.7180 67.6540
U2-U3 39.9010 39.9790 50.4000 50.4000
U2-U4 89.2670 89.2890 82.8900 82.7980
U3-U4 59.5830 59.5050 103.9560 103.8800
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 60893.29307487
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871597
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 44.223
HIERARCH ESO ISS PBL12 END 44.31
HIERARCH ESO ISS PBLA12 START 35.8
HIERARCH ESO ISS PBLA12 END 35.9
HIERARCH ESO ISS PBL13 START 83.444
HIERARCH ESO ISS PBL13 END 83.614
HIERARCH ESO ISS PBLA13 START 42.7
HIERARCH ESO ISS PBLA13 END 42.8
HIERARCH ESO ISS PBL14 START 123.707
HIERARCH ESO ISS PBL14 END 123.864
HIERARCH ESO ISS PBLA14 START 67.718
HIERARCH ESO ISS PBLA14 END 67.654
HIERARCH ESO ISS PBL23 START 39.901
HIERARCH ESO ISS PBL23 END 39.979
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 89.267
HIERARCH ESO ISS PBL24 END 89.289
HIERARCH ESO ISS PBLA24 START 82.89
HIERARCH ESO ISS PBLA24 END 82.798
HIERARCH ESO ISS PBL34 START 59.583
HIERARCH ESO ISS PBL34 END 59.505
HIERARCH ESO ISS PBLA34 START 103.956
HIERARCH ESO ISS PBLA34 END 103.88
HIERARCH ESO ISS AMBI TAU0 START 0.00465
HIERARCH ESO ISS AMBI TAU0 END 0.00465
HIERARCH ESO ISS AMBI TEMP 14.57
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.62