Exposure
ID
MATIS.2025-08-09T07:19:21.981_1
Header ID
MATIS.2025-08-09T07:19:21.981
Date updated
2025-08-09 07:25:41 UTC+0000
Release date
2026-08-09 07:25:41 UTC+0000
UTC Start
2025-08-09 07:19:21.981
UTC End
2025-08-09 07:20:23.991
MJD Start
60896.30511552
MJD End
60896.30583322833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.00554
Ambient temperature (°C)
12.28
Seeing (arcsec)
0.71
Observation
ID
69610
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
51698
Name
HD 218396
RA
346.87162
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 46.6050 46.6870 37.2000 37.3000
U1-U3 87.9820 88.1350 43.3000 43.4000
U1-U4 127.3940 127.4980 65.7900 65.7160
U2-U3 41.9370 42.0040 50.1000 50.1000
U2-U4 89.2820 89.2600 80.2400 80.1430
U3-U4 57.0170 56.9110 101.8820 101.8100
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 60896.30511552
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.87162
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 46.605
HIERARCH ESO ISS PBL12 END 46.687
HIERARCH ESO ISS PBLA12 START 37.2
HIERARCH ESO ISS PBLA12 END 37.3
HIERARCH ESO ISS PBL13 START 87.982
HIERARCH ESO ISS PBL13 END 88.135
HIERARCH ESO ISS PBLA13 START 43.3
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 127.394
HIERARCH ESO ISS PBL14 END 127.498
HIERARCH ESO ISS PBLA14 START 65.79
HIERARCH ESO ISS PBLA14 END 65.716
HIERARCH ESO ISS PBL23 START 41.937
HIERARCH ESO ISS PBL23 END 42.004
HIERARCH ESO ISS PBLA23 START 50.1
HIERARCH ESO ISS PBLA23 END 50.1
HIERARCH ESO ISS PBL24 START 89.282
HIERARCH ESO ISS PBL24 END 89.26
HIERARCH ESO ISS PBLA24 START 80.24
HIERARCH ESO ISS PBLA24 END 80.143
HIERARCH ESO ISS PBL34 START 57.017
HIERARCH ESO ISS PBL34 END 56.911
HIERARCH ESO ISS PBLA34 START 101.882
HIERARCH ESO ISS PBLA34 END 101.81
HIERARCH ESO ISS AMBI TAU0 START 0.005515
HIERARCH ESO ISS AMBI TAU0 END 0.005565
HIERARCH ESO ISS AMBI TEMP 12.28
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.71