Exposure
ID
MATIS.2025-08-07T06:50:46.253_1
Header ID
MATIS.2025-08-07T06:50:46.253
Date updated
2025-08-07 07:00:52 UTC+0000
Release date
2026-08-07 07:00:52 UTC+0000
UTC Start
2025-08-07 06:50:46.253
UTC End
2025-08-07 06:51:48.263
MJD Start
60894.28525756
MJD End
60894.28597526833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.00858
Ambient temperature (°C)
13.38
Seeing (arcsec)
0.53
Observation
ID
69428
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
51587
Name
HD 218396
RA
346.87164
DEC
21.13409
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 43.6040 43.6910 35.4000 35.4000
U1-U3 82.2260 82.3990 42.5000 42.5000
U1-U4 122.5350 122.7060 68.1630 68.1010
U2-U3 39.3340 39.4150 50.4000 50.4000
U2-U4 89.0690 89.1010 83.5410 83.4500
U3-U4 60.1010 60.0310 104.4960 104.4190
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 60894.28525756
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.87164
DEC 21.13409
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 43.604
HIERARCH ESO ISS PBL12 END 43.691
HIERARCH ESO ISS PBLA12 START 35.4
HIERARCH ESO ISS PBLA12 END 35.4
HIERARCH ESO ISS PBL13 START 82.226
HIERARCH ESO ISS PBL13 END 82.399
HIERARCH ESO ISS PBLA13 START 42.5
HIERARCH ESO ISS PBLA13 END 42.5
HIERARCH ESO ISS PBL14 START 122.535
HIERARCH ESO ISS PBL14 END 122.706
HIERARCH ESO ISS PBLA14 START 68.163
HIERARCH ESO ISS PBLA14 END 68.101
HIERARCH ESO ISS PBL23 START 39.334
HIERARCH ESO ISS PBL23 END 39.415
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 89.069
HIERARCH ESO ISS PBL24 END 89.101
HIERARCH ESO ISS PBLA24 START 83.541
HIERARCH ESO ISS PBLA24 END 83.45
HIERARCH ESO ISS PBL34 START 60.101
HIERARCH ESO ISS PBL34 END 60.031
HIERARCH ESO ISS PBLA34 START 104.496
HIERARCH ESO ISS PBLA34 END 104.419
HIERARCH ESO ISS AMBI TAU0 START 0.00858
HIERARCH ESO ISS AMBI TAU0 END 0.00858
HIERARCH ESO ISS AMBI TEMP 13.38
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.53