Exposure
ID
MATIS.2025-08-06T07:53:10.260_1
Header ID
MATIS.2025-08-06T07:53:10.260
Date updated
2025-08-06 08:00:33 UTC+0000
Release date
2026-08-06 08:00:33 UTC+0000
UTC Start
2025-08-06 07:53:10.260
UTC End
2025-08-06 07:54:12.270
MJD Start
60893.32859097
MJD End
60893.32930867833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.005566
Ambient temperature (°C)
14.07
Seeing (arcsec)
0.54
Observation
ID
69265
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
51487
Name
HD 218396
RA
346.871627
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 48.2880 48.3640 37.9000 37.9000
U1-U3 91.0480 91.1840 43.4000 43.4000
U1-U4 129.1610 129.2230 64.1590 64.0790
U2-U3 43.2390 43.2950 49.6000 49.6000
U2-U4 88.4850 88.4310 78.1430 78.0420
U3-U4 54.5510 54.4240 100.3820 100.3120
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 60893.32859097
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871627
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 48.288
HIERARCH ESO ISS PBL12 END 48.364
HIERARCH ESO ISS PBLA12 START 37.9
HIERARCH ESO ISS PBLA12 END 37.9
HIERARCH ESO ISS PBL13 START 91.048
HIERARCH ESO ISS PBL13 END 91.184
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 129.161
HIERARCH ESO ISS PBL14 END 129.223
HIERARCH ESO ISS PBLA14 START 64.159
HIERARCH ESO ISS PBLA14 END 64.079
HIERARCH ESO ISS PBL23 START 43.239
HIERARCH ESO ISS PBL23 END 43.295
HIERARCH ESO ISS PBLA23 START 49.6
HIERARCH ESO ISS PBLA23 END 49.6
HIERARCH ESO ISS PBL24 START 88.485
HIERARCH ESO ISS PBL24 END 88.431
HIERARCH ESO ISS PBLA24 START 78.143
HIERARCH ESO ISS PBLA24 END 78.042
HIERARCH ESO ISS PBL34 START 54.551
HIERARCH ESO ISS PBL34 END 54.424
HIERARCH ESO ISS PBLA34 START 100.382
HIERARCH ESO ISS PBLA34 END 100.312
HIERARCH ESO ISS AMBI TAU0 START 0.00542
HIERARCH ESO ISS AMBI TAU0 END 0.005712
HIERARCH ESO ISS AMBI TEMP 14.07
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.53