Exposure
ID
MATIS.2025-08-09T07:12:55.029_1
Header ID
MATIS.2025-08-09T07:12:55.029
Date updated
2025-08-09 07:20:33 UTC+0000
Release date
2026-08-09 07:20:33 UTC+0000
UTC Start
2025-08-09 07:12:55.029
UTC End
2025-08-09 07:13:57.039
MJD Start
60896.30063691
MJD End
60896.30135461833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.003785
Ambient temperature (°C)
12.34
Seeing (arcsec)
0.675
Observation
ID
69602
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
51694
Name
HD 218396
RA
346.871615
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 46.0900 46.1750 37.0000 37.0000
U1-U3 87.0210 87.1800 43.3000 43.3000
U1-U4 126.7100 126.8270 66.2390 66.1660
U2-U3 41.5160 41.5860 50.2000 50.2000
U2-U4 89.3850 89.3730 80.8380 80.7410
U3-U4 57.6560 57.5540 102.3320 102.2580
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 60896.30063691
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871615
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 46.09
HIERARCH ESO ISS PBL12 END 46.175
HIERARCH ESO ISS PBLA12 START 37.0
HIERARCH ESO ISS PBLA12 END 37.0
HIERARCH ESO ISS PBL13 START 87.021
HIERARCH ESO ISS PBL13 END 87.18
HIERARCH ESO ISS PBLA13 START 43.3
HIERARCH ESO ISS PBLA13 END 43.3
HIERARCH ESO ISS PBL14 START 126.71
HIERARCH ESO ISS PBL14 END 126.827
HIERARCH ESO ISS PBLA14 START 66.239
HIERARCH ESO ISS PBLA14 END 66.166
HIERARCH ESO ISS PBL23 START 41.516
HIERARCH ESO ISS PBL23 END 41.586
HIERARCH ESO ISS PBLA23 START 50.2
HIERARCH ESO ISS PBLA23 END 50.2
HIERARCH ESO ISS PBL24 START 89.385
HIERARCH ESO ISS PBL24 END 89.373
HIERARCH ESO ISS PBLA24 START 80.838
HIERARCH ESO ISS PBLA24 END 80.741
HIERARCH ESO ISS PBL34 START 57.656
HIERARCH ESO ISS PBL34 END 57.554
HIERARCH ESO ISS PBLA34 START 102.332
HIERARCH ESO ISS PBLA34 END 102.258
HIERARCH ESO ISS AMBI TAU0 START 0.003785
HIERARCH ESO ISS AMBI TAU0 END 0.003785
HIERARCH ESO ISS AMBI TEMP 12.34
HIERARCH ESO ISS AMBI FWHM START 0.7
HIERARCH ESO ISS AMBI FWHM END 0.65