Exposure
ID
MATIS.2025-08-06T07:51:30.052_1
Header ID
MATIS.2025-08-06T07:51:30.052
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 07:51:30.052
UTC End
2025-08-06 07:52:32.062
MJD Start
60893.32743116
MJD End
60893.328148868335
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.00418
Ambient temperature (°C)
14.08
Seeing (arcsec)
0.53
Observation
ID
69263
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
51486
Name
HD 218396
RA
346.871629
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 48.1650 48.2410 37.8000 37.9000
U1-U3 90.8280 90.9650 43.4000 43.4000
U1-U4 129.0580 129.1230 64.2890 64.2090
U2-U3 43.1480 43.2040 49.7000 49.6000
U2-U4 88.5690 88.5180 78.3060 78.2050
U3-U4 54.7530 54.6280 100.4940 100.4240
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 60893.32743116
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871629
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 48.165
HIERARCH ESO ISS PBL12 END 48.241
HIERARCH ESO ISS PBLA12 START 37.8
HIERARCH ESO ISS PBLA12 END 37.9
HIERARCH ESO ISS PBL13 START 90.828
HIERARCH ESO ISS PBL13 END 90.965
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 129.058
HIERARCH ESO ISS PBL14 END 129.123
HIERARCH ESO ISS PBLA14 START 64.289
HIERARCH ESO ISS PBLA14 END 64.209
HIERARCH ESO ISS PBL23 START 43.148
HIERARCH ESO ISS PBL23 END 43.204
HIERARCH ESO ISS PBLA23 START 49.7
HIERARCH ESO ISS PBLA23 END 49.6
HIERARCH ESO ISS PBL24 START 88.569
HIERARCH ESO ISS PBL24 END 88.518
HIERARCH ESO ISS PBLA24 START 78.306
HIERARCH ESO ISS PBLA24 END 78.205
HIERARCH ESO ISS PBL34 START 54.753
HIERARCH ESO ISS PBL34 END 54.628
HIERARCH ESO ISS PBLA34 START 100.494
HIERARCH ESO ISS PBLA34 END 100.424
HIERARCH ESO ISS AMBI TAU0 START 0.00418
HIERARCH ESO ISS AMBI TAU0 END 0.00418
HIERARCH ESO ISS AMBI TEMP 14.08
HIERARCH ESO ISS AMBI FWHM START 0.51
HIERARCH ESO ISS AMBI FWHM END 0.55