Exposure
ID
MATIS.2025-08-09T07:37:33.181_1
Header ID
MATIS.2025-08-09T07:37:33.181
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 07:37:33.181
UTC End
2025-08-09 07:38:35.191
MJD Start
60896.31774515
MJD End
60896.31846285833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0053745
Ambient temperature (°C)
12.29
Seeing (arcsec)
0.7
Observation
ID
69620
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
51703
Name
HD 218396
RA
346.871632
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 48.0030 48.0820 37.8000 37.8000
U1-U3 90.5380 90.6790 43.4000 43.4000
U1-U4 128.9150 128.9860 64.4530 64.3720
U2-U3 43.0270 43.0860 49.7000 49.7000
U2-U4 88.6740 88.6240 78.5150 78.4120
U3-U4 55.0140 54.8880 100.6380 100.5670
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 60896.31774515
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871632
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 48.003
HIERARCH ESO ISS PBL12 END 48.082
HIERARCH ESO ISS PBLA12 START 37.8
HIERARCH ESO ISS PBLA12 END 37.8
HIERARCH ESO ISS PBL13 START 90.538
HIERARCH ESO ISS PBL13 END 90.679
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 128.915
HIERARCH ESO ISS PBL14 END 128.986
HIERARCH ESO ISS PBLA14 START 64.453
HIERARCH ESO ISS PBLA14 END 64.372
HIERARCH ESO ISS PBL23 START 43.027
HIERARCH ESO ISS PBL23 END 43.086
HIERARCH ESO ISS PBLA23 START 49.7
HIERARCH ESO ISS PBLA23 END 49.7
HIERARCH ESO ISS PBL24 START 88.674
HIERARCH ESO ISS PBL24 END 88.624
HIERARCH ESO ISS PBLA24 START 78.515
HIERARCH ESO ISS PBLA24 END 78.412
HIERARCH ESO ISS PBL34 START 55.014
HIERARCH ESO ISS PBL34 END 54.888
HIERARCH ESO ISS PBLA34 START 100.638
HIERARCH ESO ISS PBLA34 END 100.567
HIERARCH ESO ISS AMBI TAU0 START 0.005003
HIERARCH ESO ISS AMBI TAU0 END 0.005746
HIERARCH ESO ISS AMBI TEMP 12.29
HIERARCH ESO ISS AMBI FWHM START 0.7
HIERARCH ESO ISS AMBI FWHM END 0.7