Exposure
ID
MATIS.2025-08-09T07:39:13.495_1
Header ID
MATIS.2025-08-09T07:39:13.495
Date updated
2025-08-09 07:45:33 UTC+0000
Release date
2026-08-09 07:45:33 UTC+0000
UTC Start
2025-08-09 07:39:13.495
UTC End
2025-08-09 07:40:15.505
MJD Start
60896.31890619
MJD End
60896.31962389833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0054465
Ambient temperature (°C)
12.32
Seeing (arcsec)
0.58
Observation
ID
69622
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
51704
Name
HD 218396
RA
346.871631
DEC
21.13389
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 48.1290 48.2060 37.8000 37.8000
U1-U3 90.7640 90.9010 43.4000 43.4000
U1-U4 129.0270 129.0920 64.3230 64.2430
U2-U3 43.1210 43.1780 49.7000 49.6000
U2-U4 88.5930 88.5420 78.3500 78.2500
U3-U4 54.8120 54.6870 100.5240 100.4540
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 60896.31890619
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871631
DEC 21.13389
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 48.129
HIERARCH ESO ISS PBL12 END 48.206
HIERARCH ESO ISS PBLA12 START 37.8
HIERARCH ESO ISS PBLA12 END 37.8
HIERARCH ESO ISS PBL13 START 90.764
HIERARCH ESO ISS PBL13 END 90.901
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 129.027
HIERARCH ESO ISS PBL14 END 129.092
HIERARCH ESO ISS PBLA14 START 64.323
HIERARCH ESO ISS PBLA14 END 64.243
HIERARCH ESO ISS PBL23 START 43.121
HIERARCH ESO ISS PBL23 END 43.178
HIERARCH ESO ISS PBLA23 START 49.7
HIERARCH ESO ISS PBLA23 END 49.6
HIERARCH ESO ISS PBL24 START 88.593
HIERARCH ESO ISS PBL24 END 88.542
HIERARCH ESO ISS PBLA24 START 78.35
HIERARCH ESO ISS PBLA24 END 78.25
HIERARCH ESO ISS PBL34 START 54.812
HIERARCH ESO ISS PBL34 END 54.687
HIERARCH ESO ISS PBLA34 START 100.524
HIERARCH ESO ISS PBLA34 END 100.454
HIERARCH ESO ISS AMBI TAU0 START 0.005746
HIERARCH ESO ISS AMBI TAU0 END 0.005147
HIERARCH ESO ISS AMBI TEMP 12.32
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.58