Exposure
ID
MATIS.2025-08-10T07:12:00.814_1
Header ID
MATIS.2025-08-10T07:12:00.814
Date updated
2025-08-10 07:20:44 UTC+0000
Release date
2026-08-10 07:20:44 UTC+0000
UTC Start
2025-08-10 07:12:00.814
UTC End
2025-08-10 07:13:02.824
MJD Start
60897.30000942
MJD End
60897.300727128335
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0053165
Ambient temperature (°C)
12.25
Seeing (arcsec)
0.405
Observation
ID
69752
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
51791
Name
HD 218396
RA
346.871463
DEC
21.13373
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 46.3330 46.4150 37.1000 37.1000
U1-U3 87.4760 87.6300 43.3000 43.3000
U1-U4 127.0410 127.1500 66.0330 65.9610
U2-U3 41.7160 41.7840 50.2000 50.2000
U2-U4 89.3440 89.3270 80.5620 80.4660
U3-U4 57.3600 57.2580 102.1240 102.0520
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 60897.30000942
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871463
DEC 21.13373
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 46.333
HIERARCH ESO ISS PBL12 END 46.415
HIERARCH ESO ISS PBLA12 START 37.1
HIERARCH ESO ISS PBLA12 END 37.1
HIERARCH ESO ISS PBL13 START 87.476
HIERARCH ESO ISS PBL13 END 87.63
HIERARCH ESO ISS PBLA13 START 43.3
HIERARCH ESO ISS PBLA13 END 43.3
HIERARCH ESO ISS PBL14 START 127.041
HIERARCH ESO ISS PBL14 END 127.15
HIERARCH ESO ISS PBLA14 START 66.033
HIERARCH ESO ISS PBLA14 END 65.961
HIERARCH ESO ISS PBL23 START 41.716
HIERARCH ESO ISS PBL23 END 41.784
HIERARCH ESO ISS PBLA23 START 50.2
HIERARCH ESO ISS PBLA23 END 50.2
HIERARCH ESO ISS PBL24 START 89.344
HIERARCH ESO ISS PBL24 END 89.327
HIERARCH ESO ISS PBLA24 START 80.562
HIERARCH ESO ISS PBLA24 END 80.466
HIERARCH ESO ISS PBL34 START 57.36
HIERARCH ESO ISS PBL34 END 57.258
HIERARCH ESO ISS PBLA34 START 102.124
HIERARCH ESO ISS PBLA34 END 102.052
HIERARCH ESO ISS AMBI TAU0 START 0.004605
HIERARCH ESO ISS AMBI TAU0 END 0.006028
HIERARCH ESO ISS AMBI TEMP 12.25
HIERARCH ESO ISS AMBI FWHM START 0.41
HIERARCH ESO ISS AMBI FWHM END 0.4