Exposure
ID
MATIS.2025-08-09T07:01:27.657_1
Header ID
MATIS.2025-08-09T07:01:27.657
Date updated
2025-08-09 07:10:43 UTC+0000
Release date
2026-08-09 07:10:42 UTC+0000
UTC Start
2025-08-09 07:01:27.657
UTC End
2025-08-09 07:02:29.667
MJD Start
60896.29268121
MJD End
60896.29339891833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0058215
Ambient temperature (°C)
12.59
Seeing (arcsec)
0.675
Observation
ID
69592
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
51689
Name
HD 218396
RA
346.871607
DEC
21.1339
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 45.1580 45.2440 36.4000 36.5000
U1-U3 85.2530 85.4170 43.0000 43.1000
U1-U4 125.3110 125.4480 67.0040 66.9360
U2-U3 40.7270 40.8010 50.4000 50.4000
U2-U4 89.4190 89.4240 81.8810 81.7870
U3-U4 58.6900 58.6010 103.1420 103.0680
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 60896.29268121
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871607
DEC 21.1339
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 45.158
HIERARCH ESO ISS PBL12 END 45.244
HIERARCH ESO ISS PBLA12 START 36.4
HIERARCH ESO ISS PBLA12 END 36.5
HIERARCH ESO ISS PBL13 START 85.253
HIERARCH ESO ISS PBL13 END 85.417
HIERARCH ESO ISS PBLA13 START 43.0
HIERARCH ESO ISS PBLA13 END 43.1
HIERARCH ESO ISS PBL14 START 125.311
HIERARCH ESO ISS PBL14 END 125.448
HIERARCH ESO ISS PBLA14 START 67.004
HIERARCH ESO ISS PBLA14 END 66.936
HIERARCH ESO ISS PBL23 START 40.727
HIERARCH ESO ISS PBL23 END 40.801
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 89.419
HIERARCH ESO ISS PBL24 END 89.424
HIERARCH ESO ISS PBLA24 START 81.881
HIERARCH ESO ISS PBLA24 END 81.787
HIERARCH ESO ISS PBL34 START 58.69
HIERARCH ESO ISS PBL34 END 58.601
HIERARCH ESO ISS PBLA34 START 103.142
HIERARCH ESO ISS PBLA34 END 103.068
HIERARCH ESO ISS AMBI TAU0 START 0.005828
HIERARCH ESO ISS AMBI TAU0 END 0.005815
HIERARCH ESO ISS AMBI TEMP 12.59
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.7