Exposure
ID
MATIS.2025-08-05T08:52:30.493_1
Header ID
MATIS.2025-08-05T08:52:30.493
Date updated
2025-08-05 09:00:48 UTC+0000
Release date
2026-08-05 09:00:47 UTC+0000
UTC Start
2025-08-05 08:52:30.493
UTC End
2025-08-05 08:53:32.503
MJD Start
60892.36979737
MJD End
60892.37051507833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.005509
Ambient temperature (°C)
13.89
Seeing (arcsec)
0.49
Observation
ID
69078
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
51388
Name
HD 218396
RA
346.871686
DEC
21.13365
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 51.9130 51.9720 38.1000 38.1000
U1-U3 97.1740 97.2650 42.4000 42.3000
U1-U4 129.8730 129.8380 59.2740 59.1710
U2-U3 45.5660 45.5970 47.2000 47.2000
U2-U4 83.5800 83.4520 72.2240 72.1020
U3-U4 46.4570 46.2820 96.7050 96.6370
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 60892.36979737
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871686
DEC 21.13365
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 51.913
HIERARCH ESO ISS PBL12 END 51.972
HIERARCH ESO ISS PBLA12 START 38.1
HIERARCH ESO ISS PBLA12 END 38.1
HIERARCH ESO ISS PBL13 START 97.174
HIERARCH ESO ISS PBL13 END 97.265
HIERARCH ESO ISS PBLA13 START 42.4
HIERARCH ESO ISS PBLA13 END 42.3
HIERARCH ESO ISS PBL14 START 129.873
HIERARCH ESO ISS PBL14 END 129.838
HIERARCH ESO ISS PBLA14 START 59.274
HIERARCH ESO ISS PBLA14 END 59.171
HIERARCH ESO ISS PBL23 START 45.566
HIERARCH ESO ISS PBL23 END 45.597
HIERARCH ESO ISS PBLA23 START 47.2
HIERARCH ESO ISS PBLA23 END 47.2
HIERARCH ESO ISS PBL24 START 83.58
HIERARCH ESO ISS PBL24 END 83.452
HIERARCH ESO ISS PBLA24 START 72.224
HIERARCH ESO ISS PBLA24 END 72.102
HIERARCH ESO ISS PBL34 START 46.457
HIERARCH ESO ISS PBL34 END 46.282
HIERARCH ESO ISS PBLA34 START 96.705
HIERARCH ESO ISS PBLA34 END 96.637
HIERARCH ESO ISS AMBI TAU0 START 0.005509
HIERARCH ESO ISS AMBI TAU0 END 0.005509
HIERARCH ESO ISS AMBI TEMP 13.89
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.49