Exposure
ID
MATIS.2025-08-05T08:54:12.351_1
Header ID
MATIS.2025-08-05T08:54:12.351
Date updated
2025-08-05 09:00:48 UTC+0000
Release date
2026-08-05 09:00:47 UTC+0000
UTC Start
2025-08-05 08:54:12.351
UTC End
2025-08-05 08:55:14.361
MJD Start
60892.37097629
MJD End
60892.371693998335
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0056395
Ambient temperature (°C)
13.96
Seeing (arcsec)
0.51
Observation
ID
69080
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
51389
Name
HD 218396
RA
346.871683
DEC
21.13366
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 52.0090 52.0670 38.1000 38.1000
U1-U3 97.3230 97.4140 42.3000 42.3000
U1-U4 129.8150 129.7770 59.1050 59.0000
U2-U3 45.6160 45.6460 47.1000 47.1000
U2-U4 83.3690 83.2380 72.0240 71.9000
U3-U4 46.1700 45.9920 96.5930 96.5240
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 60892.37097629
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871683
DEC 21.13366
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 52.009
HIERARCH ESO ISS PBL12 END 52.067
HIERARCH ESO ISS PBLA12 START 38.1
HIERARCH ESO ISS PBLA12 END 38.1
HIERARCH ESO ISS PBL13 START 97.323
HIERARCH ESO ISS PBL13 END 97.414
HIERARCH ESO ISS PBLA13 START 42.3
HIERARCH ESO ISS PBLA13 END 42.3
HIERARCH ESO ISS PBL14 START 129.815
HIERARCH ESO ISS PBL14 END 129.777
HIERARCH ESO ISS PBLA14 START 59.105
HIERARCH ESO ISS PBLA14 END 59.0
HIERARCH ESO ISS PBL23 START 45.616
HIERARCH ESO ISS PBL23 END 45.646
HIERARCH ESO ISS PBLA23 START 47.1
HIERARCH ESO ISS PBLA23 END 47.1
HIERARCH ESO ISS PBL24 START 83.369
HIERARCH ESO ISS PBL24 END 83.238
HIERARCH ESO ISS PBLA24 START 72.024
HIERARCH ESO ISS PBLA24 END 71.9
HIERARCH ESO ISS PBL34 START 46.17
HIERARCH ESO ISS PBL34 END 45.992
HIERARCH ESO ISS PBLA34 START 96.593
HIERARCH ESO ISS PBLA34 END 96.524
HIERARCH ESO ISS AMBI TAU0 START 0.005509
HIERARCH ESO ISS AMBI TAU0 END 0.00577
HIERARCH ESO ISS AMBI TEMP 13.96
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.46