Exposure
ID
MATIS.2025-07-10T09:40:01.512_1
Header ID
MATIS.2025-07-10T09:40:01.512
Date updated
2025-07-10 09:50:45 UTC+0000
Release date
2026-07-10 09:50:45 UTC+0000
UTC Start
2025-07-10 09:40:01.512
UTC End
2025-07-10 09:41:03.522
MJD Start
60866.40279528
MJD End
60866.403512988334
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.005155
Ambient temperature (°C)
12.69
Seeing (arcsec)
0.595
Observation
ID
68570
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
50997
Name
HD 218396
RA
346.87097
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 48.3420 48.4170 37.9000 37.9000
U1-U3 91.1440 91.2790 43.4000 43.4000
U1-U4 129.2040 129.2650 64.1050 64.0240
U2-U3 43.2780 43.3330 49.6000 49.6000
U2-U4 88.4480 88.3930 78.0750 77.9740
U3-U4 54.4640 54.3360 100.3360 100.2670
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 60866.40279528
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.87097
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 48.342
HIERARCH ESO ISS PBL12 END 48.417
HIERARCH ESO ISS PBLA12 START 37.9
HIERARCH ESO ISS PBLA12 END 37.9
HIERARCH ESO ISS PBL13 START 91.144
HIERARCH ESO ISS PBL13 END 91.279
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 129.204
HIERARCH ESO ISS PBL14 END 129.265
HIERARCH ESO ISS PBLA14 START 64.105
HIERARCH ESO ISS PBLA14 END 64.024
HIERARCH ESO ISS PBL23 START 43.278
HIERARCH ESO ISS PBL23 END 43.333
HIERARCH ESO ISS PBLA23 START 49.6
HIERARCH ESO ISS PBLA23 END 49.6
HIERARCH ESO ISS PBL24 START 88.448
HIERARCH ESO ISS PBL24 END 88.393
HIERARCH ESO ISS PBLA24 START 78.075
HIERARCH ESO ISS PBLA24 END 77.974
HIERARCH ESO ISS PBL34 START 54.464
HIERARCH ESO ISS PBL34 END 54.336
HIERARCH ESO ISS PBLA34 START 100.336
HIERARCH ESO ISS PBLA34 END 100.267
HIERARCH ESO ISS AMBI TAU0 START 0.005155
HIERARCH ESO ISS AMBI TAU0 END 0.005155
HIERARCH ESO ISS AMBI TEMP 12.69
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.6