Exposure
ID
MATIS.2025-08-11T07:13:32.752_1
Header ID
MATIS.2025-08-11T07:13:32.752
Date updated
2025-08-11 07:20:33 UTC+0000
Release date
2026-08-11 07:20:33 UTC+0000
UTC Start
2025-08-11 07:13:32.752
UTC End
2025-08-11 07:14:34.762
MJD Start
60898.30107352
MJD End
60898.30179122833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.005004
Ambient temperature (°C)
15.17
Seeing (arcsec)
0.44
Observation
ID
69884
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
51870
Name
HD 218396
RA
346.871628
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 46.7670 46.8480 37.3000 37.3000
U1-U3 88.2830 88.4330 43.4000 43.4000
U1-U4 127.5970 127.6950 65.6490 65.5750
U2-U3 42.0680 42.1330 50.1000 50.1000
U2-U4 89.2370 89.2120 80.0530 79.9560
U3-U4 56.8060 56.6980 101.7450 101.6730
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 60898.30107352
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871628
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 46.767
HIERARCH ESO ISS PBL12 END 46.848
HIERARCH ESO ISS PBLA12 START 37.3
HIERARCH ESO ISS PBLA12 END 37.3
HIERARCH ESO ISS PBL13 START 88.283
HIERARCH ESO ISS PBL13 END 88.433
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 127.597
HIERARCH ESO ISS PBL14 END 127.695
HIERARCH ESO ISS PBLA14 START 65.649
HIERARCH ESO ISS PBLA14 END 65.575
HIERARCH ESO ISS PBL23 START 42.068
HIERARCH ESO ISS PBL23 END 42.133
HIERARCH ESO ISS PBLA23 START 50.1
HIERARCH ESO ISS PBLA23 END 50.1
HIERARCH ESO ISS PBL24 START 89.237
HIERARCH ESO ISS PBL24 END 89.212
HIERARCH ESO ISS PBLA24 START 80.053
HIERARCH ESO ISS PBLA24 END 79.956
HIERARCH ESO ISS PBL34 START 56.806
HIERARCH ESO ISS PBL34 END 56.698
HIERARCH ESO ISS PBLA34 START 101.745
HIERARCH ESO ISS PBLA34 END 101.673
HIERARCH ESO ISS AMBI TAU0 START 0.004487
HIERARCH ESO ISS AMBI TAU0 END 0.005521
HIERARCH ESO ISS AMBI TEMP 15.17
HIERARCH ESO ISS AMBI FWHM START 0.44
HIERARCH ESO ISS AMBI FWHM END 0.44