Exposure
ID
MATIS.2025-08-05T08:10:27.275_1
Header ID
MATIS.2025-08-05T08:10:27.275
Date updated
2025-08-05 08:20:36 UTC+0000
Release date
2026-08-05 08:20:36 UTC+0000
UTC Start
2025-08-05 08:10:27.275
UTC End
2025-08-05 08:11:29.285
MJD Start
60892.34059346
MJD End
60892.34131116833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0060555
Ambient temperature (°C)
14.25
Seeing (arcsec)
0.56
Observation
ID
69040
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
51367
Name
HD 218396
RA
346.871662
DEC
21.13364
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 49.2460 49.3200 38.1000 38.1000
U1-U3 92.7360 92.8640 43.3000 43.3000
U1-U4 129.8110 129.8490 63.0900 63.0020
U2-U3 43.9230 43.9740 49.2000 49.1000
U2-U4 87.6740 87.5990 76.8140 76.7060
U3-U4 52.8440 52.7020 99.4880 99.4170
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 60892.34059346
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871662
DEC 21.13364
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 49.246
HIERARCH ESO ISS PBL12 END 49.32
HIERARCH ESO ISS PBLA12 START 38.1
HIERARCH ESO ISS PBLA12 END 38.1
HIERARCH ESO ISS PBL13 START 92.736
HIERARCH ESO ISS PBL13 END 92.864
HIERARCH ESO ISS PBLA13 START 43.3
HIERARCH ESO ISS PBLA13 END 43.3
HIERARCH ESO ISS PBL14 START 129.811
HIERARCH ESO ISS PBL14 END 129.849
HIERARCH ESO ISS PBLA14 START 63.09
HIERARCH ESO ISS PBLA14 END 63.002
HIERARCH ESO ISS PBL23 START 43.923
HIERARCH ESO ISS PBL23 END 43.974
HIERARCH ESO ISS PBLA23 START 49.2
HIERARCH ESO ISS PBLA23 END 49.1
HIERARCH ESO ISS PBL24 START 87.674
HIERARCH ESO ISS PBL24 END 87.599
HIERARCH ESO ISS PBLA24 START 76.814
HIERARCH ESO ISS PBLA24 END 76.706
HIERARCH ESO ISS PBL34 START 52.844
HIERARCH ESO ISS PBL34 END 52.702
HIERARCH ESO ISS PBLA34 START 99.488
HIERARCH ESO ISS PBLA34 END 99.417
HIERARCH ESO ISS AMBI TAU0 START 0.006142
HIERARCH ESO ISS AMBI TAU0 END 0.005969
HIERARCH ESO ISS AMBI TEMP 14.25
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.56