Exposure
ID
MATIS.2025-08-07T09:19:52.584_1
Header ID
MATIS.2025-08-07T09:19:52.584
Date updated
2025-08-07 09:31:09 UTC+0000
Release date
2026-08-07 09:31:09 UTC+0000
UTC Start
2025-08-07 09:19:52.584
UTC End
2025-08-07 09:20:54.594
MJD Start
60894.38880306
MJD End
60894.38952076833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.007244
Ambient temperature (°C)
13.59
Seeing (arcsec)
0.63
Observation
ID
69514
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
51630
Name
HD 218396
RA
346.871696
DEC
21.13408
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 53.6870 53.7320 37.4000 37.4000
U1-U3 99.8220 99.8850 40.9000 40.9000
U1-U4 127.7930 127.7060 55.4760 55.3550
U2-U3 46.3510 46.3660 45.0000 44.9000
U2-U4 78.5400 78.3730 67.7210 67.5770
U3-U4 40.0330 39.8310 94.3220 94.2500
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 60894.38880306
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871696
DEC 21.13408
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 53.687
HIERARCH ESO ISS PBL12 END 53.732
HIERARCH ESO ISS PBLA12 START 37.4
HIERARCH ESO ISS PBLA12 END 37.4
HIERARCH ESO ISS PBL13 START 99.822
HIERARCH ESO ISS PBL13 END 99.885
HIERARCH ESO ISS PBLA13 START 40.9
HIERARCH ESO ISS PBLA13 END 40.9
HIERARCH ESO ISS PBL14 START 127.793
HIERARCH ESO ISS PBL14 END 127.706
HIERARCH ESO ISS PBLA14 START 55.476
HIERARCH ESO ISS PBLA14 END 55.355
HIERARCH ESO ISS PBL23 START 46.351
HIERARCH ESO ISS PBL23 END 46.366
HIERARCH ESO ISS PBLA23 START 45.0
HIERARCH ESO ISS PBLA23 END 44.9
HIERARCH ESO ISS PBL24 START 78.54
HIERARCH ESO ISS PBL24 END 78.373
HIERARCH ESO ISS PBLA24 START 67.721
HIERARCH ESO ISS PBLA24 END 67.577
HIERARCH ESO ISS PBL34 START 40.033
HIERARCH ESO ISS PBL34 END 39.831
HIERARCH ESO ISS PBLA34 START 94.322
HIERARCH ESO ISS PBLA34 END 94.25
HIERARCH ESO ISS AMBI TAU0 START 0.007244
HIERARCH ESO ISS AMBI TAU0 END 0.007244
HIERARCH ESO ISS AMBI TEMP 13.59
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.63