Exposure
ID
MATIS.2025-08-07T07:23:35.959_1
Header ID
MATIS.2025-08-07T07:23:35.959
Date updated
2025-08-07 07:30:52 UTC+0000
Release date
2026-08-07 07:30:52 UTC+0000
UTC Start
2025-08-07 07:23:35.959
UTC End
2025-08-07 07:24:37.969
MJD Start
60894.30805508
MJD End
60894.30877278833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.007694
Ambient temperature (°C)
13.31
Seeing (arcsec)
0.615
Observation
ID
69459
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
51603
Name
HD 218396
RA
346.871667
DEC
21.13408
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 46.3180 46.4000 37.1000 37.1000
U1-U3 87.4480 87.6020 43.3000 43.3000
U1-U4 127.0210 127.1310 66.0450 65.9740
U2-U3 41.7040 41.7710 50.2000 50.2000
U2-U4 89.3470 89.3310 80.5780 80.4830
U3-U4 57.3790 57.2770 102.1360 102.0640
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 60894.30805508
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871667
DEC 21.13408
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 46.318
HIERARCH ESO ISS PBL12 END 46.4
HIERARCH ESO ISS PBLA12 START 37.1
HIERARCH ESO ISS PBLA12 END 37.1
HIERARCH ESO ISS PBL13 START 87.448
HIERARCH ESO ISS PBL13 END 87.602
HIERARCH ESO ISS PBLA13 START 43.3
HIERARCH ESO ISS PBLA13 END 43.3
HIERARCH ESO ISS PBL14 START 127.021
HIERARCH ESO ISS PBL14 END 127.131
HIERARCH ESO ISS PBLA14 START 66.045
HIERARCH ESO ISS PBLA14 END 65.974
HIERARCH ESO ISS PBL23 START 41.704
HIERARCH ESO ISS PBL23 END 41.771
HIERARCH ESO ISS PBLA23 START 50.2
HIERARCH ESO ISS PBLA23 END 50.2
HIERARCH ESO ISS PBL24 START 89.347
HIERARCH ESO ISS PBL24 END 89.331
HIERARCH ESO ISS PBLA24 START 80.578
HIERARCH ESO ISS PBLA24 END 80.483
HIERARCH ESO ISS PBL34 START 57.379
HIERARCH ESO ISS PBL34 END 57.277
HIERARCH ESO ISS PBLA34 START 102.136
HIERARCH ESO ISS PBLA34 END 102.064
HIERARCH ESO ISS AMBI TAU0 START 0.007694
HIERARCH ESO ISS AMBI TAU0 END 0.007694
HIERARCH ESO ISS AMBI TEMP 13.31
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.63