Exposure
ID
MATIS.2025-08-05T08:16:54.429_1
Header ID
MATIS.2025-08-05T08:16:54.429
Date updated
2025-08-05 08:25:39 UTC+0000
Release date
2026-08-05 08:25:39 UTC+0000
UTC Start
2025-08-05 08:16:54.429
UTC End
2025-08-05 08:17:56.439
MJD Start
60892.34507441
MJD End
60892.34579211833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.005101
Ambient temperature (°C)
14.11
Seeing (arcsec)
0.6599999999999999
Observation
ID
69048
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
51372
Name
HD 218396
RA
346.871666
DEC
21.13364
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 49.6920 49.7620 38.2000 38.2000
U1-U3 93.5070 93.6270 43.2000 43.2000
U1-U4 130.0140 130.0400 62.5480 62.4600
U2-U3 44.2270 44.2740 48.9000 48.9000
U2-U4 87.1930 87.1110 76.1510 76.0430
U3-U4 51.9600 51.8150 99.0580 98.9900
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 60892.34507441
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871666
DEC 21.13364
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 49.692
HIERARCH ESO ISS PBL12 END 49.762
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 93.507
HIERARCH ESO ISS PBL13 END 93.627
HIERARCH ESO ISS PBLA13 START 43.2
HIERARCH ESO ISS PBLA13 END 43.2
HIERARCH ESO ISS PBL14 START 130.014
HIERARCH ESO ISS PBL14 END 130.04
HIERARCH ESO ISS PBLA14 START 62.548
HIERARCH ESO ISS PBLA14 END 62.46
HIERARCH ESO ISS PBL23 START 44.227
HIERARCH ESO ISS PBL23 END 44.274
HIERARCH ESO ISS PBLA23 START 48.9
HIERARCH ESO ISS PBLA23 END 48.9
HIERARCH ESO ISS PBL24 START 87.193
HIERARCH ESO ISS PBL24 END 87.111
HIERARCH ESO ISS PBLA24 START 76.151
HIERARCH ESO ISS PBLA24 END 76.043
HIERARCH ESO ISS PBL34 START 51.96
HIERARCH ESO ISS PBL34 END 51.815
HIERARCH ESO ISS PBLA34 START 99.058
HIERARCH ESO ISS PBLA34 END 98.99
HIERARCH ESO ISS AMBI TAU0 START 0.005256
HIERARCH ESO ISS AMBI TAU0 END 0.004946
HIERARCH ESO ISS AMBI TEMP 14.11
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.7