Exposure
ID
MATIS.2025-08-09T08:23:18.241_1
Header ID
MATIS.2025-08-09T08:23:18.241
Date updated
2025-08-09 08:30:44 UTC+0000
Release date
2026-08-09 08:30:44 UTC+0000
UTC Start
2025-08-09 08:23:18.241
UTC End
2025-08-09 08:24:20.251
MJD Start
60896.34951668
MJD End
60896.35023438833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.004789
Ambient temperature (°C)
12.6
Seeing (arcsec)
0.53
Observation
ID
69656
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
51721
Name
HD 218396
RA
346.871655
DEC
21.13389
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 51.1220 51.1850 38.2000 38.2000
U1-U3 95.9030 96.0050 42.8000 42.8000
U1-U4 130.1710 130.1580 60.5720 60.4750
U2-U3 45.1250 45.1620 47.9000 47.9000
U2-U4 85.1350 85.0230 73.7700 73.6540
U3-U4 48.6630 48.4990 97.5950 97.5270
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 60896.34951668
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871655
DEC 21.13389
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 51.122
HIERARCH ESO ISS PBL12 END 51.185
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 95.903
HIERARCH ESO ISS PBL13 END 96.005
HIERARCH ESO ISS PBLA13 START 42.8
HIERARCH ESO ISS PBLA13 END 42.8
HIERARCH ESO ISS PBL14 START 130.171
HIERARCH ESO ISS PBL14 END 130.158
HIERARCH ESO ISS PBLA14 START 60.572
HIERARCH ESO ISS PBLA14 END 60.475
HIERARCH ESO ISS PBL23 START 45.125
HIERARCH ESO ISS PBL23 END 45.162
HIERARCH ESO ISS PBLA23 START 47.9
HIERARCH ESO ISS PBLA23 END 47.9
HIERARCH ESO ISS PBL24 START 85.135
HIERARCH ESO ISS PBL24 END 85.023
HIERARCH ESO ISS PBLA24 START 73.77
HIERARCH ESO ISS PBLA24 END 73.654
HIERARCH ESO ISS PBL34 START 48.663
HIERARCH ESO ISS PBL34 END 48.499
HIERARCH ESO ISS PBLA34 START 97.595
HIERARCH ESO ISS PBLA34 END 97.527
HIERARCH ESO ISS AMBI TAU0 START 0.004789
HIERARCH ESO ISS AMBI TAU0 END 0.004789
HIERARCH ESO ISS AMBI TEMP 12.6
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.53