Exposure
ID
MATIS.2025-08-10T06:56:39.348_1
Header ID
MATIS.2025-08-10T06:56:39.348
Date updated
2025-08-10 07:05:44 UTC+0000
Release date
2026-08-10 07:05:43 UTC+0000
UTC Start
2025-08-10 06:56:39.348
UTC End
2025-08-10 06:57:41.358
MJD Start
60897.28934431
MJD End
60897.29006201833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0048059999999999995
Ambient temperature (°C)
12.34
Seeing (arcsec)
0.475
Observation
ID
69736
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
51783
Name
HD 218396
RA
346.871452
DEC
21.13373
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 45.0850 45.1730 36.4000 36.5000
U1-U3 85.1120 85.2810 43.0000 43.1000
U1-U4 125.1920 125.3340 67.0650 66.9960
U2-U3 40.6630 40.7390 50.4000 50.4000
U2-U4 89.4140 89.4200 81.9650 81.8690
U3-U4 58.7650 58.6750 103.2100 103.1330
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 60897.28934431
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871452
DEC 21.13373
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 45.085
HIERARCH ESO ISS PBL12 END 45.173
HIERARCH ESO ISS PBLA12 START 36.4
HIERARCH ESO ISS PBLA12 END 36.5
HIERARCH ESO ISS PBL13 START 85.112
HIERARCH ESO ISS PBL13 END 85.281
HIERARCH ESO ISS PBLA13 START 43.0
HIERARCH ESO ISS PBLA13 END 43.1
HIERARCH ESO ISS PBL14 START 125.192
HIERARCH ESO ISS PBL14 END 125.334
HIERARCH ESO ISS PBLA14 START 67.065
HIERARCH ESO ISS PBLA14 END 66.996
HIERARCH ESO ISS PBL23 START 40.663
HIERARCH ESO ISS PBL23 END 40.739
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 89.414
HIERARCH ESO ISS PBL24 END 89.42
HIERARCH ESO ISS PBLA24 START 81.965
HIERARCH ESO ISS PBLA24 END 81.869
HIERARCH ESO ISS PBL34 START 58.765
HIERARCH ESO ISS PBL34 END 58.675
HIERARCH ESO ISS PBLA34 START 103.21
HIERARCH ESO ISS PBLA34 END 103.133
HIERARCH ESO ISS AMBI TAU0 START 0.005323
HIERARCH ESO ISS AMBI TAU0 END 0.004289
HIERARCH ESO ISS AMBI TEMP 12.34
HIERARCH ESO ISS AMBI FWHM START 0.47
HIERARCH ESO ISS AMBI FWHM END 0.48