Exposure
ID
MATIS.2025-08-10T06:34:07.296_1
Header ID
MATIS.2025-08-10T06:34:07.296
Date updated
2025-08-10 06:45:44 UTC+0000
Release date
2026-08-10 06:45:44 UTC+0000
UTC Start
2025-08-10 06:34:07.296
UTC End
2025-08-10 06:35:09.306
MJD Start
60897.27369555
MJD End
60897.27441325833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.005877
Ambient temperature (°C)
12.35
Seeing (arcsec)
0.4
Observation
ID
69713
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
51772
Name
HD 218396
RA
346.871428
DEC
21.13373
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 43.1880 43.2790 35.0000 35.1000
U1-U3 81.3990 81.5810 42.3000 42.4000
U1-U4 121.7000 121.8860 68.4510 68.3890
U2-U3 38.9450 39.0310 50.4000 50.4000
U2-U4 88.8930 88.9340 83.9730 83.8790
U3-U4 60.4180 60.3510 104.8610 104.7810
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 60897.27369555
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871428
DEC 21.13373
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 43.188
HIERARCH ESO ISS PBL12 END 43.279
HIERARCH ESO ISS PBLA12 START 35.0
HIERARCH ESO ISS PBLA12 END 35.1
HIERARCH ESO ISS PBL13 START 81.399
HIERARCH ESO ISS PBL13 END 81.581
HIERARCH ESO ISS PBLA13 START 42.3
HIERARCH ESO ISS PBLA13 END 42.4
HIERARCH ESO ISS PBL14 START 121.7
HIERARCH ESO ISS PBL14 END 121.886
HIERARCH ESO ISS PBLA14 START 68.451
HIERARCH ESO ISS PBLA14 END 68.389
HIERARCH ESO ISS PBL23 START 38.945
HIERARCH ESO ISS PBL23 END 39.031
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 88.893
HIERARCH ESO ISS PBL24 END 88.934
HIERARCH ESO ISS PBLA24 START 83.973
HIERARCH ESO ISS PBLA24 END 83.879
HIERARCH ESO ISS PBL34 START 60.418
HIERARCH ESO ISS PBL34 END 60.351
HIERARCH ESO ISS PBLA34 START 104.861
HIERARCH ESO ISS PBLA34 END 104.781
HIERARCH ESO ISS AMBI TAU0 START 0.005877
HIERARCH ESO ISS AMBI TAU0 END 0.005877
HIERARCH ESO ISS AMBI TEMP 12.35
HIERARCH ESO ISS AMBI FWHM START 0.4
HIERARCH ESO ISS AMBI FWHM END 0.4