Exposure
ID
MATIS.2025-08-06T07:49:51.154_1
Header ID
MATIS.2025-08-06T07:49:51.154
Date updated
2025-08-06 07:55:50 UTC+0000
Release date
2026-08-06 07:55:50 UTC+0000
UTC Start
2025-08-06 07:49:51.154
UTC End
2025-08-06 07:50:53.164
MJD Start
60893.3262865
MJD End
60893.32700420833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.005545
Ambient temperature (°C)
14.09
Seeing (arcsec)
0.52
Observation
ID
69267
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
51488
Name
HD 218396
RA
346.871628
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 48.0410 48.1200 37.8000 37.8000
U1-U3 90.6060 90.7480 43.4000 43.4000
U1-U4 128.9500 129.0200 64.4170 64.3350
U2-U3 43.0550 43.1150 49.7000 49.7000
U2-U4 88.6500 88.5990 78.4680 78.3640
U3-U4 54.9530 54.8250 100.6070 100.5340
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 60893.3262865
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871628
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 48.041
HIERARCH ESO ISS PBL12 END 48.12
HIERARCH ESO ISS PBLA12 START 37.8
HIERARCH ESO ISS PBLA12 END 37.8
HIERARCH ESO ISS PBL13 START 90.606
HIERARCH ESO ISS PBL13 END 90.748
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 128.95
HIERARCH ESO ISS PBL14 END 129.02
HIERARCH ESO ISS PBLA14 START 64.417
HIERARCH ESO ISS PBLA14 END 64.335
HIERARCH ESO ISS PBL23 START 43.055
HIERARCH ESO ISS PBL23 END 43.115
HIERARCH ESO ISS PBLA23 START 49.7
HIERARCH ESO ISS PBLA23 END 49.7
HIERARCH ESO ISS PBL24 START 88.65
HIERARCH ESO ISS PBL24 END 88.599
HIERARCH ESO ISS PBLA24 START 78.468
HIERARCH ESO ISS PBLA24 END 78.364
HIERARCH ESO ISS PBL34 START 54.953
HIERARCH ESO ISS PBL34 END 54.825
HIERARCH ESO ISS PBLA34 START 100.607
HIERARCH ESO ISS PBLA34 END 100.534
HIERARCH ESO ISS AMBI TAU0 START 0.00691
HIERARCH ESO ISS AMBI TAU0 END 0.00418
HIERARCH ESO ISS AMBI TEMP 14.09
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.51