Exposure
ID
MATIS.2025-08-06T08:00:58.372_1
Header ID
MATIS.2025-08-06T08:00:58.372
Date updated
2025-08-06 08:10:33 UTC+0000
Release date
2026-08-06 08:10:33 UTC+0000
UTC Start
2025-08-06 08:00:58.372
UTC End
2025-08-06 08:02:00.382
MJD Start
60893.33400894
MJD End
60893.33472664833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.008277
Ambient temperature (°C)
14.15
Seeing (arcsec)
0.54
Observation
ID
69275
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
51492
Name
HD 218396
RA
346.871633
DEC
21.13407
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 48.8550 48.9290 38.0000 38.0000
U1-U3 92.0520 92.1820 43.4000 43.4000
U1-U4 129.5790 129.6270 63.5410 63.4580
U2-U3 43.6490 43.7010 49.4000 49.3000
U2-U4 88.0400 87.9750 77.3720 77.2680
U3-U4 53.5720 53.4380 99.8580 99.7890
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 60893.33400894
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871633
DEC 21.13407
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 48.855
HIERARCH ESO ISS PBL12 END 48.929
HIERARCH ESO ISS PBLA12 START 38.0
HIERARCH ESO ISS PBLA12 END 38.0
HIERARCH ESO ISS PBL13 START 92.052
HIERARCH ESO ISS PBL13 END 92.182
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 129.579
HIERARCH ESO ISS PBL14 END 129.627
HIERARCH ESO ISS PBLA14 START 63.541
HIERARCH ESO ISS PBLA14 END 63.458
HIERARCH ESO ISS PBL23 START 43.649
HIERARCH ESO ISS PBL23 END 43.701
HIERARCH ESO ISS PBLA23 START 49.4
HIERARCH ESO ISS PBLA23 END 49.3
HIERARCH ESO ISS PBL24 START 88.04
HIERARCH ESO ISS PBL24 END 87.975
HIERARCH ESO ISS PBLA24 START 77.372
HIERARCH ESO ISS PBLA24 END 77.268
HIERARCH ESO ISS PBL34 START 53.572
HIERARCH ESO ISS PBL34 END 53.438
HIERARCH ESO ISS PBLA34 START 99.858
HIERARCH ESO ISS PBLA34 END 99.789
HIERARCH ESO ISS AMBI TAU0 START 0.008587
HIERARCH ESO ISS AMBI TAU0 END 0.007967
HIERARCH ESO ISS AMBI TEMP 14.15
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.56