Exposure
ID
MATIS.2025-08-11T08:24:59.271_1
Header ID
MATIS.2025-08-11T08:24:59.271
Date updated
2025-08-11 08:35:31 UTC+0000
Release date
2026-08-11 08:35:31 UTC+0000
UTC Start
2025-08-11 08:24:59.271
UTC End
2025-08-11 08:26:01.281
MJD Start
60898.35068601
MJD End
60898.351403718334
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.004457
Ambient temperature (°C)
14.98
Seeing (arcsec)
0.42
Observation
ID
69935
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
51893
Name
HD 218396
RA
346.871663
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 51.6890 51.7490 38.2000 38.2000
U1-U3 96.8180 96.9130 42.5000 42.5000
U1-U4 129.9890 129.9610 59.6630 59.5610
U2-U3 45.4460 45.4780 47.4000 47.4000
U2-U4 84.0550 83.9320 72.6860 72.5650
U3-U4 47.1140 46.9420 96.9680 96.8990
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 60898.35068601
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871663
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 51.689
HIERARCH ESO ISS PBL12 END 51.749
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 96.818
HIERARCH ESO ISS PBL13 END 96.913
HIERARCH ESO ISS PBLA13 START 42.5
HIERARCH ESO ISS PBLA13 END 42.5
HIERARCH ESO ISS PBL14 START 129.989
HIERARCH ESO ISS PBL14 END 129.961
HIERARCH ESO ISS PBLA14 START 59.663
HIERARCH ESO ISS PBLA14 END 59.561
HIERARCH ESO ISS PBL23 START 45.446
HIERARCH ESO ISS PBL23 END 45.478
HIERARCH ESO ISS PBLA23 START 47.4
HIERARCH ESO ISS PBLA23 END 47.4
HIERARCH ESO ISS PBL24 START 84.055
HIERARCH ESO ISS PBL24 END 83.932
HIERARCH ESO ISS PBLA24 START 72.686
HIERARCH ESO ISS PBLA24 END 72.565
HIERARCH ESO ISS PBL34 START 47.114
HIERARCH ESO ISS PBL34 END 46.942
HIERARCH ESO ISS PBLA34 START 96.968
HIERARCH ESO ISS PBLA34 END 96.899
HIERARCH ESO ISS AMBI TAU0 START 0.004457
HIERARCH ESO ISS AMBI TAU0 END 0.004457
HIERARCH ESO ISS AMBI TEMP 14.98
HIERARCH ESO ISS AMBI FWHM START 0.41
HIERARCH ESO ISS AMBI FWHM END 0.43