Exposure
ID
MATIS.2025-08-06T07:03:41.153_1
Header ID
MATIS.2025-08-06T07:03:41.153
Date updated
2025-08-06 07:10:44 UTC+0000
Release date
2026-08-06 07:10:44 UTC+0000
UTC Start
2025-08-06 07:03:41.153
UTC End
2025-08-06 07:04:43.163
MJD Start
60893.29422631
MJD End
60893.29494401833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0061685
Ambient temperature (°C)
14.54
Seeing (arcsec)
0.5549999999999999
Observation
ID
69227
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
51467
Name
HD 218396
RA
346.871595
DEC
21.13408
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 44.3600 44.4500 35.9000 36.0000
U1-U3 83.7120 83.8860 42.8000 42.8000
U1-U4 123.9550 124.1140 67.6170 67.5510
U2-U3 40.0240 40.1040 50.4000 50.4000
U2-U4 89.3010 89.3210 82.7450 82.6490
U3-U4 59.4600 59.3790 103.8370 103.7590
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 60893.29422631
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871595
DEC 21.13408
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 44.36
HIERARCH ESO ISS PBL12 END 44.45
HIERARCH ESO ISS PBLA12 START 35.9
HIERARCH ESO ISS PBLA12 END 36.0
HIERARCH ESO ISS PBL13 START 83.712
HIERARCH ESO ISS PBL13 END 83.886
HIERARCH ESO ISS PBLA13 START 42.8
HIERARCH ESO ISS PBLA13 END 42.8
HIERARCH ESO ISS PBL14 START 123.955
HIERARCH ESO ISS PBL14 END 124.114
HIERARCH ESO ISS PBLA14 START 67.617
HIERARCH ESO ISS PBLA14 END 67.551
HIERARCH ESO ISS PBL23 START 40.024
HIERARCH ESO ISS PBL23 END 40.104
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 89.301
HIERARCH ESO ISS PBL24 END 89.321
HIERARCH ESO ISS PBLA24 START 82.745
HIERARCH ESO ISS PBLA24 END 82.649
HIERARCH ESO ISS PBL34 START 59.46
HIERARCH ESO ISS PBL34 END 59.379
HIERARCH ESO ISS PBLA34 START 103.837
HIERARCH ESO ISS PBLA34 END 103.759
HIERARCH ESO ISS AMBI TAU0 START 0.006327
HIERARCH ESO ISS AMBI TAU0 END 0.00601
HIERARCH ESO ISS AMBI TEMP 14.54
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.57