Exposure
ID
MATIS.2025-08-07T06:59:03.389_1
Header ID
MATIS.2025-08-07T06:59:03.389
Date updated
2025-08-07 07:10:34 UTC+0000
Release date
2026-08-07 07:10:34 UTC+0000
UTC Start
2025-08-07 06:59:03.389
UTC End
2025-08-07 07:00:05.399
MJD Start
60894.29101145
MJD End
60894.29172915833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.00838
Ambient temperature (°C)
13.32
Seeing (arcsec)
0.58
Observation
ID
69435
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
51590
Name
HD 218396
RA
346.871647
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 44.3020 44.3920 35.9000 35.9000
U1-U3 83.5990 83.7730 42.8000 42.8000
U1-U4 123.8500 124.0110 67.6600 67.5940
U2-U3 39.9720 40.0520 50.4000 50.4000
U2-U4 89.2870 89.3080 82.8070 82.7110
U3-U4 59.5120 59.4320 103.8870 103.8100
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 60894.29101145
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871647
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 44.302
HIERARCH ESO ISS PBL12 END 44.392
HIERARCH ESO ISS PBLA12 START 35.9
HIERARCH ESO ISS PBLA12 END 35.9
HIERARCH ESO ISS PBL13 START 83.599
HIERARCH ESO ISS PBL13 END 83.773
HIERARCH ESO ISS PBLA13 START 42.8
HIERARCH ESO ISS PBLA13 END 42.8
HIERARCH ESO ISS PBL14 START 123.85
HIERARCH ESO ISS PBL14 END 124.011
HIERARCH ESO ISS PBLA14 START 67.66
HIERARCH ESO ISS PBLA14 END 67.594
HIERARCH ESO ISS PBL23 START 39.972
HIERARCH ESO ISS PBL23 END 40.052
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 89.287
HIERARCH ESO ISS PBL24 END 89.308
HIERARCH ESO ISS PBLA24 START 82.807
HIERARCH ESO ISS PBLA24 END 82.711
HIERARCH ESO ISS PBL34 START 59.512
HIERARCH ESO ISS PBL34 END 59.432
HIERARCH ESO ISS PBLA34 START 103.887
HIERARCH ESO ISS PBLA34 END 103.81
HIERARCH ESO ISS AMBI TAU0 START 0.007866
HIERARCH ESO ISS AMBI TAU0 END 0.008894
HIERARCH ESO ISS AMBI TEMP 13.32
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.58