Exposure
ID
MATIS.2025-08-10T07:28:47.239_1
Header ID
MATIS.2025-08-10T07:28:47.239
Date updated
2025-08-10 07:35:43 UTC+0000
Release date
2026-08-10 07:35:43 UTC+0000
UTC Start
2025-08-10 07:28:47.239
UTC End
2025-08-10 07:29:49.249
MJD Start
60897.31165786
MJD End
60897.312375568334
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.004576
Ambient temperature (°C)
12.12
Seeing (arcsec)
0.475
Observation
ID
69763
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
51798
Name
HD 218396
RA
346.87147
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 47.6390 47.7200 37.7000 37.7000
U1-U3 89.8810 90.0270 43.4000 43.4000
U1-U4 128.5690 128.6490 64.8230 64.7430
U2-U3 42.7510 42.8130 49.9000 49.8000
U2-U4 88.8810 88.8380 78.9840 78.8820
U3-U4 55.5760 55.4540 100.9700 100.8970
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 60897.31165786
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.87147
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 47.639
HIERARCH ESO ISS PBL12 END 47.72
HIERARCH ESO ISS PBLA12 START 37.7
HIERARCH ESO ISS PBLA12 END 37.7
HIERARCH ESO ISS PBL13 START 89.881
HIERARCH ESO ISS PBL13 END 90.027
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 128.569
HIERARCH ESO ISS PBL14 END 128.649
HIERARCH ESO ISS PBLA14 START 64.823
HIERARCH ESO ISS PBLA14 END 64.743
HIERARCH ESO ISS PBL23 START 42.751
HIERARCH ESO ISS PBL23 END 42.813
HIERARCH ESO ISS PBLA23 START 49.9
HIERARCH ESO ISS PBLA23 END 49.8
HIERARCH ESO ISS PBL24 START 88.881
HIERARCH ESO ISS PBL24 END 88.838
HIERARCH ESO ISS PBLA24 START 78.984
HIERARCH ESO ISS PBLA24 END 78.882
HIERARCH ESO ISS PBL34 START 55.576
HIERARCH ESO ISS PBL34 END 55.454
HIERARCH ESO ISS PBLA34 START 100.97
HIERARCH ESO ISS PBLA34 END 100.897
HIERARCH ESO ISS AMBI TAU0 START 0.004576
HIERARCH ESO ISS AMBI TAU0 END 0.004576
HIERARCH ESO ISS AMBI TEMP 12.12
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.49