Exposure
ID
MATIS.2025-08-07T09:16:45.278_1
Header ID
MATIS.2025-08-07T09:16:45.278
Date updated
2025-08-07 09:26:02 UTC+0000
Release date
2026-08-07 09:26:02 UTC+0000
UTC Start
2025-08-07 09:16:45.278
UTC End
2025-08-07 09:17:47.288
MJD Start
60894.38663516
MJD End
60894.38735286833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.006346
Ambient temperature (°C)
13.57
Seeing (arcsec)
0.695
Observation
ID
69516
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
51631
Name
HD 218396
RA
346.871697
DEC
21.13409
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 53.5470 53.5950 37.5000 37.5000
U1-U3 99.6260 99.6930 41.1000 41.0000
U1-U4 128.0490 127.9630 55.8390 55.7160
U2-U3 46.3020 46.3190 45.2000 45.1000
U2-U4 79.0400 78.8710 68.1530 68.0060
U3-U4 40.6400 40.4340 94.5400 94.4660
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 60894.38663516
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871697
DEC 21.13409
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 53.547
HIERARCH ESO ISS PBL12 END 53.595
HIERARCH ESO ISS PBLA12 START 37.5
HIERARCH ESO ISS PBLA12 END 37.5
HIERARCH ESO ISS PBL13 START 99.626
HIERARCH ESO ISS PBL13 END 99.693
HIERARCH ESO ISS PBLA13 START 41.1
HIERARCH ESO ISS PBLA13 END 41.0
HIERARCH ESO ISS PBL14 START 128.049
HIERARCH ESO ISS PBL14 END 127.963
HIERARCH ESO ISS PBLA14 START 55.839
HIERARCH ESO ISS PBLA14 END 55.716
HIERARCH ESO ISS PBL23 START 46.302
HIERARCH ESO ISS PBL23 END 46.319
HIERARCH ESO ISS PBLA23 START 45.2
HIERARCH ESO ISS PBLA23 END 45.1
HIERARCH ESO ISS PBL24 START 79.04
HIERARCH ESO ISS PBL24 END 78.871
HIERARCH ESO ISS PBLA24 START 68.153
HIERARCH ESO ISS PBLA24 END 68.006
HIERARCH ESO ISS PBL34 START 40.64
HIERARCH ESO ISS PBL34 END 40.434
HIERARCH ESO ISS PBLA34 START 94.54
HIERARCH ESO ISS PBLA34 END 94.466
HIERARCH ESO ISS AMBI TAU0 START 0.006346
HIERARCH ESO ISS AMBI TAU0 END 0.006346
HIERARCH ESO ISS AMBI TEMP 13.57
HIERARCH ESO ISS AMBI FWHM START 0.7
HIERARCH ESO ISS AMBI FWHM END 0.69