Exposure
ID
MATIS.2025-08-09T06:54:48.614_1
Header ID
MATIS.2025-08-09T06:54:48.614
Date updated
2025-08-09 07:05:36 UTC+0000
Release date
2026-08-09 07:05:36 UTC+0000
UTC Start
2025-08-09 06:54:48.614
UTC End
2025-08-09 06:55:50.624
MJD Start
60896.28806266
MJD End
60896.28878036833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0053475
Ambient temperature (°C)
12.54
Seeing (arcsec)
0.52
Observation
ID
69586
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
51686
Name
HD 218396
RA
346.871601
DEC
21.1339
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 44.6050 44.6930 36.1000 36.1000
U1-U3 84.1880 84.3590 42.9000 42.9000
U1-U4 124.3860 124.5390 67.4310 67.3640
U2-U3 40.2420 40.3200 50.4000 50.4000
U2-U4 89.3510 89.3660 82.4800 82.3850
U3-U4 59.2340 59.1510 103.6210 103.5440
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 60896.28806266
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871601
DEC 21.1339
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 44.605
HIERARCH ESO ISS PBL12 END 44.693
HIERARCH ESO ISS PBLA12 START 36.1
HIERARCH ESO ISS PBLA12 END 36.1
HIERARCH ESO ISS PBL13 START 84.188
HIERARCH ESO ISS PBL13 END 84.359
HIERARCH ESO ISS PBLA13 START 42.9
HIERARCH ESO ISS PBLA13 END 42.9
HIERARCH ESO ISS PBL14 START 124.386
HIERARCH ESO ISS PBL14 END 124.539
HIERARCH ESO ISS PBLA14 START 67.431
HIERARCH ESO ISS PBLA14 END 67.364
HIERARCH ESO ISS PBL23 START 40.242
HIERARCH ESO ISS PBL23 END 40.32
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 89.351
HIERARCH ESO ISS PBL24 END 89.366
HIERARCH ESO ISS PBLA24 START 82.48
HIERARCH ESO ISS PBLA24 END 82.385
HIERARCH ESO ISS PBL34 START 59.234
HIERARCH ESO ISS PBL34 END 59.151
HIERARCH ESO ISS PBLA34 START 103.621
HIERARCH ESO ISS PBLA34 END 103.544
HIERARCH ESO ISS AMBI TAU0 START 0.00518
HIERARCH ESO ISS AMBI TAU0 END 0.005515
HIERARCH ESO ISS AMBI TEMP 12.54
HIERARCH ESO ISS AMBI FWHM START 0.51
HIERARCH ESO ISS AMBI FWHM END 0.53