Exposure
ID
MATIS.2025-08-07T07:25:14.923_1
Header ID
MATIS.2025-08-07T07:25:14.923
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 07:25:14.923
UTC End
2025-08-07 07:26:16.933
MJD Start
60894.3092005
MJD End
60894.30991820833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.00818
Ambient temperature (°C)
13.36
Seeing (arcsec)
0.675
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 46.4480 46.5300 37.2000 37.2000
U1-U3 87.6910 87.8440 43.3000 43.3000
U1-U4 127.1930 127.2990 65.9320 65.8590
U2-U3 41.8100 41.8770 50.2000 50.2000
U2-U4 89.3200 89.3010 80.4270 80.3310
U3-U4 57.2170 57.1130 102.0230 101.9510
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 60894.3092005
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 46.448
HIERARCH ESO ISS PBL12 END 46.53
HIERARCH ESO ISS PBLA12 START 37.2
HIERARCH ESO ISS PBLA12 END 37.2
HIERARCH ESO ISS PBL13 START 87.691
HIERARCH ESO ISS PBL13 END 87.844
HIERARCH ESO ISS PBLA13 START 43.3
HIERARCH ESO ISS PBLA13 END 43.3
HIERARCH ESO ISS PBL14 START 127.193
HIERARCH ESO ISS PBL14 END 127.299
HIERARCH ESO ISS PBLA14 START 65.932
HIERARCH ESO ISS PBLA14 END 65.859
HIERARCH ESO ISS PBL23 START 41.81
HIERARCH ESO ISS PBL23 END 41.877
HIERARCH ESO ISS PBLA23 START 50.2
HIERARCH ESO ISS PBLA23 END 50.2
HIERARCH ESO ISS PBL24 START 89.32
HIERARCH ESO ISS PBL24 END 89.301
HIERARCH ESO ISS PBLA24 START 80.427
HIERARCH ESO ISS PBLA24 END 80.331
HIERARCH ESO ISS PBL34 START 57.217
HIERARCH ESO ISS PBL34 END 57.113
HIERARCH ESO ISS PBLA34 START 102.023
HIERARCH ESO ISS PBLA34 END 101.951
HIERARCH ESO ISS AMBI TAU0 START 0.007694
HIERARCH ESO ISS AMBI TAU0 END 0.008666
HIERARCH ESO ISS AMBI TEMP 13.36
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.72