Exposure
ID
MATIS.2025-08-06T08:54:11.481_1
Header ID
MATIS.2025-08-06T08:54:11.481
Date updated
2025-08-06 09:05:51 UTC+0000
Release date
2026-08-06 09:05:51 UTC+0000
UTC Start
2025-08-06 08:54:11.481
UTC End
2025-08-06 08:55:13.491
MJD Start
60893.37096621
MJD End
60893.37168391833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0065835
Ambient temperature (°C)
14.38
Seeing (arcsec)
0.495
Observation
ID
69309
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
51510
Name
HD 218396
RA
346.871654
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 52.2270 52.2830 38.1000 38.0000
U1-U3 97.6630 97.7500 42.2000 42.1000
U1-U4 129.6630 129.6200 58.7070 58.6010
U2-U3 45.7270 45.7550 46.9000 46.8000
U2-U4 82.8650 82.7300 71.5520 71.4270
U3-U4 45.4910 45.3120 96.3320 96.2630
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 60893.37096621
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871654
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 52.227
HIERARCH ESO ISS PBL12 END 52.283
HIERARCH ESO ISS PBLA12 START 38.1
HIERARCH ESO ISS PBLA12 END 38.0
HIERARCH ESO ISS PBL13 START 97.663
HIERARCH ESO ISS PBL13 END 97.75
HIERARCH ESO ISS PBLA13 START 42.2
HIERARCH ESO ISS PBLA13 END 42.1
HIERARCH ESO ISS PBL14 START 129.663
HIERARCH ESO ISS PBL14 END 129.62
HIERARCH ESO ISS PBLA14 START 58.707
HIERARCH ESO ISS PBLA14 END 58.601
HIERARCH ESO ISS PBL23 START 45.727
HIERARCH ESO ISS PBL23 END 45.755
HIERARCH ESO ISS PBLA23 START 46.9
HIERARCH ESO ISS PBLA23 END 46.8
HIERARCH ESO ISS PBL24 START 82.865
HIERARCH ESO ISS PBL24 END 82.73
HIERARCH ESO ISS PBLA24 START 71.552
HIERARCH ESO ISS PBLA24 END 71.427
HIERARCH ESO ISS PBL34 START 45.491
HIERARCH ESO ISS PBL34 END 45.312
HIERARCH ESO ISS PBLA34 START 96.332
HIERARCH ESO ISS PBLA34 END 96.263
HIERARCH ESO ISS AMBI TAU0 START 0.005931
HIERARCH ESO ISS AMBI TAU0 END 0.007236
HIERARCH ESO ISS AMBI TEMP 14.38
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.46