Exposure
ID
MATIS.2025-08-10T07:32:17.270_1
Header ID
MATIS.2025-08-10T07:32:17.270
Date updated
2025-08-10 07:40:42 UTC+0000
Release date
2026-08-10 07:40:42 UTC+0000
UTC Start
2025-08-10 07:32:17.270
UTC End
2025-08-10 07:33:19.280
MJD Start
60897.31408877
MJD End
60897.31480647833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0038775
Ambient temperature (°C)
12.12
Seeing (arcsec)
0.45
Observation
ID
69761
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
51797
Name
HD 218396
RA
346.871475
DEC
21.13373
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 47.9030 47.9830 37.8000 37.8000
U1-U3 90.3580 90.5020 43.4000 43.4000
U1-U4 128.8240 128.8980 64.5580 64.4770
U2-U3 42.9520 43.0120 49.8000 49.7000
U2-U4 88.7340 88.6860 78.6470 78.5440
U3-U4 55.1710 55.0450 100.7320 100.6600
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 60897.31408877
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871475
DEC 21.13373
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 47.903
HIERARCH ESO ISS PBL12 END 47.983
HIERARCH ESO ISS PBLA12 START 37.8
HIERARCH ESO ISS PBLA12 END 37.8
HIERARCH ESO ISS PBL13 START 90.358
HIERARCH ESO ISS PBL13 END 90.502
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 128.824
HIERARCH ESO ISS PBL14 END 128.898
HIERARCH ESO ISS PBLA14 START 64.558
HIERARCH ESO ISS PBLA14 END 64.477
HIERARCH ESO ISS PBL23 START 42.952
HIERARCH ESO ISS PBL23 END 43.012
HIERARCH ESO ISS PBLA23 START 49.8
HIERARCH ESO ISS PBLA23 END 49.7
HIERARCH ESO ISS PBL24 START 88.734
HIERARCH ESO ISS PBL24 END 88.686
HIERARCH ESO ISS PBLA24 START 78.647
HIERARCH ESO ISS PBLA24 END 78.544
HIERARCH ESO ISS PBL34 START 55.171
HIERARCH ESO ISS PBL34 END 55.045
HIERARCH ESO ISS PBLA34 START 100.732
HIERARCH ESO ISS PBLA34 END 100.66
HIERARCH ESO ISS AMBI TAU0 START 0.003628
HIERARCH ESO ISS AMBI TAU0 END 0.004127
HIERARCH ESO ISS AMBI TEMP 12.12
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.44