Exposure
ID
MATIS.2025-08-11T07:53:49.470_1
Header ID
MATIS.2025-08-11T07:53:49.470
Date updated
2025-08-11 08:05:42 UTC+0000
Release date
2026-08-11 08:05:42 UTC+0000
UTC Start
2025-08-11 07:53:49.470
UTC End
2025-08-11 07:54:51.480
MJD Start
60898.32904479
MJD End
60898.32976249833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.005679
Ambient temperature (°C)
14.65
Seeing (arcsec)
0.37
Observation
ID
69916
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
51887
Name
HD 218396
RA
346.871657
DEC
21.1337
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 49.7270 49.7970 38.2000 38.2000
U1-U3 93.5670 93.6870 43.2000 43.2000
U1-U4 130.0270 130.0520 62.5070 62.4190
U2-U3 44.2500 44.2970 48.9000 48.9000
U2-U4 87.1530 87.0700 76.1000 75.9930
U3-U4 51.8890 51.7430 99.0270 98.9590
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 60898.32904479
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871657
DEC 21.1337
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 49.727
HIERARCH ESO ISS PBL12 END 49.797
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 93.567
HIERARCH ESO ISS PBL13 END 93.687
HIERARCH ESO ISS PBLA13 START 43.2
HIERARCH ESO ISS PBLA13 END 43.2
HIERARCH ESO ISS PBL14 START 130.027
HIERARCH ESO ISS PBL14 END 130.052
HIERARCH ESO ISS PBLA14 START 62.507
HIERARCH ESO ISS PBLA14 END 62.419
HIERARCH ESO ISS PBL23 START 44.25
HIERARCH ESO ISS PBL23 END 44.297
HIERARCH ESO ISS PBLA23 START 48.9
HIERARCH ESO ISS PBLA23 END 48.9
HIERARCH ESO ISS PBL24 START 87.153
HIERARCH ESO ISS PBL24 END 87.07
HIERARCH ESO ISS PBLA24 START 76.1
HIERARCH ESO ISS PBLA24 END 75.993
HIERARCH ESO ISS PBL34 START 51.889
HIERARCH ESO ISS PBL34 END 51.743
HIERARCH ESO ISS PBLA34 START 99.027
HIERARCH ESO ISS PBLA34 END 98.959
HIERARCH ESO ISS AMBI TAU0 START 0.005451
HIERARCH ESO ISS AMBI TAU0 END 0.005907
HIERARCH ESO ISS AMBI TEMP 14.65
HIERARCH ESO ISS AMBI FWHM START 0.4
HIERARCH ESO ISS AMBI FWHM END 0.34