Exposure
ID
MATIS.2025-08-06T08:37:57.235_1
Header ID
MATIS.2025-08-06T08:37:57.235
Date updated
2025-08-06 08:45:44 UTC+0000
Release date
2026-08-06 08:45:44 UTC+0000
UTC Start
2025-08-06 08:37:57.235
UTC End
2025-08-06 08:38:59.245
MJD Start
60893.35969022
MJD End
60893.36040792833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.00665
Ambient temperature (°C)
14.25
Seeing (arcsec)
0.45499999999999996
Observation
ID
69299
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
51505
Name
HD 218396
RA
346.871653
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 51.2940 51.3580 38.2000 38.2000
U1-U3 96.1830 96.2860 42.7000 42.7000
U1-U4 130.1320 130.1140 60.3070 60.2050
U2-U3 45.2250 45.2610 47.8000 47.7000
U2-U4 84.8250 84.7060 73.4520 73.3320
U3-U4 48.2090 48.0370 97.4100 97.3390
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 60893.35969022
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871653
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 51.294
HIERARCH ESO ISS PBL12 END 51.358
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 96.183
HIERARCH ESO ISS PBL13 END 96.286
HIERARCH ESO ISS PBLA13 START 42.7
HIERARCH ESO ISS PBLA13 END 42.7
HIERARCH ESO ISS PBL14 START 130.132
HIERARCH ESO ISS PBL14 END 130.114
HIERARCH ESO ISS PBLA14 START 60.307
HIERARCH ESO ISS PBLA14 END 60.205
HIERARCH ESO ISS PBL23 START 45.225
HIERARCH ESO ISS PBL23 END 45.261
HIERARCH ESO ISS PBLA23 START 47.8
HIERARCH ESO ISS PBLA23 END 47.7
HIERARCH ESO ISS PBL24 START 84.825
HIERARCH ESO ISS PBL24 END 84.706
HIERARCH ESO ISS PBLA24 START 73.452
HIERARCH ESO ISS PBLA24 END 73.332
HIERARCH ESO ISS PBL34 START 48.209
HIERARCH ESO ISS PBL34 END 48.037
HIERARCH ESO ISS PBLA34 START 97.41
HIERARCH ESO ISS PBLA34 END 97.339
HIERARCH ESO ISS AMBI TAU0 START 0.00697
HIERARCH ESO ISS AMBI TAU0 END 0.00633
HIERARCH ESO ISS AMBI TEMP 14.25
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.48