Exposure
ID
MATIS.2025-08-05T08:07:20.035_1
Header ID
MATIS.2025-08-05T08:07:20.035
Date updated
2025-08-05 08:15:47 UTC+0000
Release date
2026-08-05 08:15:47 UTC+0000
UTC Start
2025-08-05 08:07:20.035
UTC End
2025-08-05 08:08:26.479
MJD Start
60892.33842633
MJD End
60892.33919535778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.005214
Ambient temperature (°C)
14.21
Seeing (arcsec)
0.515
Observation
ID
69037
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
51366
Name
HD 218396
RA
346.871659
DEC
21.13365
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_MEDIUM
Instrument sub-mode
HYBRID
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 49.0270 49.1170 38.1000 38.1000
U1-U3 92.3540 92.5120 43.4000 43.3000
U1-U4 129.6870 129.7400 63.3450 63.2400
U2-U3 43.7710 43.8340 49.3000 49.2000
U2-U4 87.8850 87.8000 77.1280 77.0000
U3-U4 53.2560 53.0880 99.6950 99.6100
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 60892.33842633
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871659
DEC 21.13365
HIERARCH ESO DET NAME MATISSE-LM
HIERARCH ESO INS FIL NAME LM
HIERARCH ESO INS FIL ID LM
HIERARCH ESO INS DIL NAME MED
HIERARCH ESO INS DIL ID MED
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 10.0
HIERARCH ESO DET SEQ1 PERIOD 11.074
HIERARCH ESO DET NDIT 6
HIERARCH ESO ISS PBL12 START 49.027
HIERARCH ESO ISS PBL12 END 49.117
HIERARCH ESO ISS PBLA12 START 38.1
HIERARCH ESO ISS PBLA12 END 38.1
HIERARCH ESO ISS PBL13 START 92.354
HIERARCH ESO ISS PBL13 END 92.512
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.3
HIERARCH ESO ISS PBL14 START 129.687
HIERARCH ESO ISS PBL14 END 129.74
HIERARCH ESO ISS PBLA14 START 63.345
HIERARCH ESO ISS PBLA14 END 63.24
HIERARCH ESO ISS PBL23 START 43.771
HIERARCH ESO ISS PBL23 END 43.834
HIERARCH ESO ISS PBLA23 START 49.3
HIERARCH ESO ISS PBLA23 END 49.2
HIERARCH ESO ISS PBL24 START 87.885
HIERARCH ESO ISS PBL24 END 87.8
HIERARCH ESO ISS PBLA24 START 77.128
HIERARCH ESO ISS PBLA24 END 77.0
HIERARCH ESO ISS PBL34 START 53.256
HIERARCH ESO ISS PBL34 END 53.088
HIERARCH ESO ISS PBLA34 START 99.695
HIERARCH ESO ISS PBLA34 END 99.61
HIERARCH ESO ISS AMBI TAU0 START 0.005214
HIERARCH ESO ISS AMBI TAU0 END 0.005214
HIERARCH ESO ISS AMBI TEMP 14.21
HIERARCH ESO ISS AMBI FWHM START 0.51
HIERARCH ESO ISS AMBI FWHM END 0.52