Exposure
ID
MATIS.2025-08-06T08:45:54.208_1
Header ID
MATIS.2025-08-06T08:45:54.208
Date updated
2025-08-06 08:55:41 UTC+0000
Release date
2026-08-06 08:55:41 UTC+0000
UTC Start
2025-08-06 08:45:54.208
UTC End
2025-08-06 08:46:56.218
MJD Start
60893.36521074
MJD End
60893.36592844833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0070075
Ambient temperature (°C)
14.27
Seeing (arcsec)
0.45
Observation
ID
69301
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
51506
Name
HD 218396
RA
346.871655
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 51.7620 51.8210 38.2000 38.1000
U1-U3 96.9340 97.0280 42.5000 42.4000
U1-U4 129.9550 129.9240 59.5380 59.4360
U2-U3 45.4850 45.5170 47.4000 47.3000
U2-U4 83.9040 83.7790 72.5380 72.4170
U3-U4 46.9040 46.7310 96.8830 96.8150
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 60893.36521074
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871655
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 51.762
HIERARCH ESO ISS PBL12 END 51.821
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.1
HIERARCH ESO ISS PBL13 START 96.934
HIERARCH ESO ISS PBL13 END 97.028
HIERARCH ESO ISS PBLA13 START 42.5
HIERARCH ESO ISS PBLA13 END 42.4
HIERARCH ESO ISS PBL14 START 129.955
HIERARCH ESO ISS PBL14 END 129.924
HIERARCH ESO ISS PBLA14 START 59.538
HIERARCH ESO ISS PBLA14 END 59.436
HIERARCH ESO ISS PBL23 START 45.485
HIERARCH ESO ISS PBL23 END 45.517
HIERARCH ESO ISS PBLA23 START 47.4
HIERARCH ESO ISS PBLA23 END 47.3
HIERARCH ESO ISS PBL24 START 83.904
HIERARCH ESO ISS PBL24 END 83.779
HIERARCH ESO ISS PBLA24 START 72.538
HIERARCH ESO ISS PBLA24 END 72.417
HIERARCH ESO ISS PBL34 START 46.904
HIERARCH ESO ISS PBL34 END 46.731
HIERARCH ESO ISS PBLA34 START 96.883
HIERARCH ESO ISS PBLA34 END 96.815
HIERARCH ESO ISS AMBI TAU0 START 0.007333
HIERARCH ESO ISS AMBI TAU0 END 0.006682
HIERARCH ESO ISS AMBI TEMP 14.27
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.44