Exposure
ID
MATIS.2025-08-09T07:55:38.692_1
Header ID
MATIS.2025-08-09T07:55:38.692
Date updated
2025-08-09 08:05:45 UTC+0000
Release date
2026-08-09 08:05:45 UTC+0000
UTC Start
2025-08-09 07:55:38.692
UTC End
2025-08-09 07:56:40.702
MJD Start
60896.33030894
MJD End
60896.33102664833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.008316
Ambient temperature (°C)
12.54
Seeing (arcsec)
0.43
Observation
ID
69636
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
51710
Name
HD 218396
RA
346.871643
DEC
21.13389
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 49.3110 49.3840 38.1000 38.1000
U1-U3 92.8490 92.9760 43.3000 43.3000
U1-U4 129.8440 129.8810 63.0110 62.9230
U2-U3 43.9680 44.0180 49.1000 49.1000
U2-U4 87.6090 87.5320 76.7180 76.6100
U3-U4 52.7200 52.5770 99.4250 99.3540
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 60896.33030894
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871643
DEC 21.13389
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 49.311
HIERARCH ESO ISS PBL12 END 49.384
HIERARCH ESO ISS PBLA12 START 38.1
HIERARCH ESO ISS PBLA12 END 38.1
HIERARCH ESO ISS PBL13 START 92.849
HIERARCH ESO ISS PBL13 END 92.976
HIERARCH ESO ISS PBLA13 START 43.3
HIERARCH ESO ISS PBLA13 END 43.3
HIERARCH ESO ISS PBL14 START 129.844
HIERARCH ESO ISS PBL14 END 129.881
HIERARCH ESO ISS PBLA14 START 63.011
HIERARCH ESO ISS PBLA14 END 62.923
HIERARCH ESO ISS PBL23 START 43.968
HIERARCH ESO ISS PBL23 END 44.018
HIERARCH ESO ISS PBLA23 START 49.1
HIERARCH ESO ISS PBLA23 END 49.1
HIERARCH ESO ISS PBL24 START 87.609
HIERARCH ESO ISS PBL24 END 87.532
HIERARCH ESO ISS PBLA24 START 76.718
HIERARCH ESO ISS PBLA24 END 76.61
HIERARCH ESO ISS PBL34 START 52.72
HIERARCH ESO ISS PBL34 END 52.577
HIERARCH ESO ISS PBLA34 START 99.425
HIERARCH ESO ISS PBLA34 END 99.354
HIERARCH ESO ISS AMBI TAU0 START 0.008316
HIERARCH ESO ISS AMBI TAU0 END 0.008316
HIERARCH ESO ISS AMBI TEMP 12.54
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.43