Exposure
ID
MATIS.2025-08-11T07:57:06.581_1
Header ID
MATIS.2025-08-11T07:57:06.581
Date updated
2025-08-11 08:05:42 UTC+0000
Release date
2026-08-11 08:05:42 UTC+0000
UTC Start
2025-08-11 07:57:06.581
UTC End
2025-08-11 07:58:08.591
MJD Start
60898.33132617
MJD End
60898.332043878334
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.00656
Ambient temperature (°C)
14.68
Seeing (arcsec)
0.39
Observation
ID
69918
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
51888
Name
HD 218396
RA
346.871659
DEC
21.1337
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 49.9490 50.0180 38.2000 38.2000
U1-U3 93.9470 94.0640 43.2000 43.2000
U1-U4 130.1000 130.1190 62.2240 62.1350
U2-U3 44.3970 44.4420 48.8000 48.7000
U2-U4 86.8840 86.7970 75.7560 75.6470
U3-U4 51.4220 51.2740 98.8080 98.7400
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 60898.33132617
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871659
DEC 21.1337
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 49.949
HIERARCH ESO ISS PBL12 END 50.018
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 93.947
HIERARCH ESO ISS PBL13 END 94.064
HIERARCH ESO ISS PBLA13 START 43.2
HIERARCH ESO ISS PBLA13 END 43.2
HIERARCH ESO ISS PBL14 START 130.1
HIERARCH ESO ISS PBL14 END 130.119
HIERARCH ESO ISS PBLA14 START 62.224
HIERARCH ESO ISS PBLA14 END 62.135
HIERARCH ESO ISS PBL23 START 44.397
HIERARCH ESO ISS PBL23 END 44.442
HIERARCH ESO ISS PBLA23 START 48.8
HIERARCH ESO ISS PBLA23 END 48.7
HIERARCH ESO ISS PBL24 START 86.884
HIERARCH ESO ISS PBL24 END 86.797
HIERARCH ESO ISS PBLA24 START 75.756
HIERARCH ESO ISS PBLA24 END 75.647
HIERARCH ESO ISS PBL34 START 51.422
HIERARCH ESO ISS PBL34 END 51.274
HIERARCH ESO ISS PBLA34 START 98.808
HIERARCH ESO ISS PBLA34 END 98.74
HIERARCH ESO ISS AMBI TAU0 START 0.00656
HIERARCH ESO ISS AMBI TAU0 END 0.00656
HIERARCH ESO ISS AMBI TEMP 14.68
HIERARCH ESO ISS AMBI FWHM START 0.4
HIERARCH ESO ISS AMBI FWHM END 0.38