Exposure
ID
MATIS.2025-07-10T09:17:41.785_1
Header ID
MATIS.2025-07-10T09:17:41.785
Date updated
2025-07-10 09:25:44 UTC+0000
Release date
2026-07-10 09:25:44 UTC+0000
UTC Start
2025-07-10 09:17:41.785
UTC End
2025-07-10 09:18:43.795
MJD Start
60866.38728918
MJD End
60866.38800688833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0058125
Ambient temperature (°C)
12.79
Seeing (arcsec)
0.6499999999999999
Observation
ID
68560
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
50992
Name
HD 218396
RA
346.87096
DEC
21.13427
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 46.6370 46.7190 37.2000 37.3000
U1-U3 88.0420 88.1930 43.4000 43.4000
U1-U4 127.4350 127.5370 65.7660 65.6930
U2-U3 41.9630 42.0290 50.1000 50.1000
U2-U4 89.2740 89.2510 80.2080 80.1110
U3-U4 56.9760 56.8700 101.8600 101.7890
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 60866.38728918
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.87096
DEC 21.13427
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 46.637
HIERARCH ESO ISS PBL12 END 46.719
HIERARCH ESO ISS PBLA12 START 37.2
HIERARCH ESO ISS PBLA12 END 37.3
HIERARCH ESO ISS PBL13 START 88.042
HIERARCH ESO ISS PBL13 END 88.193
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 127.435
HIERARCH ESO ISS PBL14 END 127.537
HIERARCH ESO ISS PBLA14 START 65.766
HIERARCH ESO ISS PBLA14 END 65.693
HIERARCH ESO ISS PBL23 START 41.963
HIERARCH ESO ISS PBL23 END 42.029
HIERARCH ESO ISS PBLA23 START 50.1
HIERARCH ESO ISS PBLA23 END 50.1
HIERARCH ESO ISS PBL24 START 89.274
HIERARCH ESO ISS PBL24 END 89.251
HIERARCH ESO ISS PBLA24 START 80.208
HIERARCH ESO ISS PBLA24 END 80.111
HIERARCH ESO ISS PBL34 START 56.976
HIERARCH ESO ISS PBL34 END 56.87
HIERARCH ESO ISS PBLA34 START 101.86
HIERARCH ESO ISS PBLA34 END 101.789
HIERARCH ESO ISS AMBI TAU0 START 0.00611
HIERARCH ESO ISS AMBI TAU0 END 0.005515
HIERARCH ESO ISS AMBI TEMP 12.79
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.59