Exposure
ID
MATIS.2025-08-05T08:21:41.611_1
Header ID
MATIS.2025-08-05T08:21:41.611
Date updated
2025-08-05 08:30:45 UTC+0000
Release date
2026-08-05 08:30:44 UTC+0000
UTC Start
2025-08-05 08:21:41.611
UTC End
2025-08-05 08:22:43.621
MJD Start
60892.34839828
MJD End
60892.349115988334
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.00557
Ambient temperature (°C)
14.0
Seeing (arcsec)
0.59
Observation
ID
69054
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
51375
Name
HD 218396
RA
346.871668
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 50.0150 50.0830 38.2000 38.2000
U1-U3 94.0580 94.1740 43.2000 43.1000
U1-U4 130.1180 130.1350 62.1370 62.0470
U2-U3 44.4400 44.4840 48.7000 48.7000
U2-U4 86.8010 86.7130 75.6500 75.5410
U3-U4 51.2810 51.1320 98.7410 98.6730
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 60892.34839828
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871668
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 50.015
HIERARCH ESO ISS PBL12 END 50.083
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 94.058
HIERARCH ESO ISS PBL13 END 94.174
HIERARCH ESO ISS PBLA13 START 43.2
HIERARCH ESO ISS PBLA13 END 43.1
HIERARCH ESO ISS PBL14 START 130.118
HIERARCH ESO ISS PBL14 END 130.135
HIERARCH ESO ISS PBLA14 START 62.137
HIERARCH ESO ISS PBLA14 END 62.047
HIERARCH ESO ISS PBL23 START 44.44
HIERARCH ESO ISS PBL23 END 44.484
HIERARCH ESO ISS PBLA23 START 48.7
HIERARCH ESO ISS PBLA23 END 48.7
HIERARCH ESO ISS PBL24 START 86.801
HIERARCH ESO ISS PBL24 END 86.713
HIERARCH ESO ISS PBLA24 START 75.65
HIERARCH ESO ISS PBLA24 END 75.541
HIERARCH ESO ISS PBL34 START 51.281
HIERARCH ESO ISS PBL34 END 51.132
HIERARCH ESO ISS PBLA34 START 98.741
HIERARCH ESO ISS PBLA34 END 98.673
HIERARCH ESO ISS AMBI TAU0 START 0.00557
HIERARCH ESO ISS AMBI TAU0 END 0.00557
HIERARCH ESO ISS AMBI TEMP 14.0
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.59