Exposure
ID
MATIS.2025-08-06T07:10:32.360_1
Header ID
MATIS.2025-08-06T07:10:32.360
Date updated
2025-08-06 07:20:47 UTC+0000
Release date
2026-08-06 07:20:47 UTC+0000
UTC Start
2025-08-06 07:10:32.360
UTC End
2025-08-06 07:11:34.370
MJD Start
60893.29898565
MJD End
60893.29970335833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.005026
Ambient temperature (°C)
14.48
Seeing (arcsec)
0.5
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 44.9330 45.0190 36.3000 36.4000
U1-U3 84.8220 84.9860 43.0000 43.0000
U1-U4 124.9440 125.0850 67.1830 67.1160
U2-U3 40.5310 40.6060 50.4000 50.4000
U2-U4 89.3990 89.4080 82.1290 82.0360
U3-U4 58.9170 58.8310 103.3400 103.2650
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 60893.29898565
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 44.933
HIERARCH ESO ISS PBL12 END 45.019
HIERARCH ESO ISS PBLA12 START 36.3
HIERARCH ESO ISS PBLA12 END 36.4
HIERARCH ESO ISS PBL13 START 84.822
HIERARCH ESO ISS PBL13 END 84.986
HIERARCH ESO ISS PBLA13 START 43.0
HIERARCH ESO ISS PBLA13 END 43.0
HIERARCH ESO ISS PBL14 START 124.944
HIERARCH ESO ISS PBL14 END 125.085
HIERARCH ESO ISS PBLA14 START 67.183
HIERARCH ESO ISS PBLA14 END 67.116
HIERARCH ESO ISS PBL23 START 40.531
HIERARCH ESO ISS PBL23 END 40.606
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 89.399
HIERARCH ESO ISS PBL24 END 89.408
HIERARCH ESO ISS PBLA24 START 82.129
HIERARCH ESO ISS PBLA24 END 82.036
HIERARCH ESO ISS PBL34 START 58.917
HIERARCH ESO ISS PBL34 END 58.831
HIERARCH ESO ISS PBLA34 START 103.34
HIERARCH ESO ISS PBLA34 END 103.265
HIERARCH ESO ISS AMBI TAU0 START 0.005026
HIERARCH ESO ISS AMBI TAU0 END 0.005026
HIERARCH ESO ISS AMBI TEMP 14.48
HIERARCH ESO ISS AMBI FWHM START 0.5
HIERARCH ESO ISS AMBI FWHM END 0.5