Exposure
ID
MATIS.2025-08-09T08:07:04.989_1
Header ID
MATIS.2025-08-09T08:07:04.989
Date updated
2025-08-09 08:15:43 UTC+0000
Release date
2026-08-09 08:15:43 UTC+0000
UTC Start
2025-08-09 08:07:04.989
UTC End
2025-08-09 08:08:06.999
MJD Start
60896.33825219
MJD End
60896.33896989833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.006164
Ambient temperature (°C)
12.57
Seeing (arcsec)
0.45999999999999996
Observation
ID
69648
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
51717
Name
HD 218396
RA
346.871653
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 50.0880 50.1580 38.2000 38.2000
U1-U3 94.1820 94.3010 43.1000 43.1000
U1-U4 130.1360 130.1520 62.0390 61.9470
U2-U3 44.4870 44.5320 48.7000 48.6000
U2-U4 86.7070 86.6150 75.5330 75.4210
U3-U4 51.1220 50.9690 98.6670 98.5970
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 60896.33825219
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871653
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 50.088
HIERARCH ESO ISS PBL12 END 50.158
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 94.182
HIERARCH ESO ISS PBL13 END 94.301
HIERARCH ESO ISS PBLA13 START 43.1
HIERARCH ESO ISS PBLA13 END 43.1
HIERARCH ESO ISS PBL14 START 130.136
HIERARCH ESO ISS PBL14 END 130.152
HIERARCH ESO ISS PBLA14 START 62.039
HIERARCH ESO ISS PBLA14 END 61.947
HIERARCH ESO ISS PBL23 START 44.487
HIERARCH ESO ISS PBL23 END 44.532
HIERARCH ESO ISS PBLA23 START 48.7
HIERARCH ESO ISS PBLA23 END 48.6
HIERARCH ESO ISS PBL24 START 86.707
HIERARCH ESO ISS PBL24 END 86.615
HIERARCH ESO ISS PBLA24 START 75.533
HIERARCH ESO ISS PBLA24 END 75.421
HIERARCH ESO ISS PBL34 START 51.122
HIERARCH ESO ISS PBL34 END 50.969
HIERARCH ESO ISS PBLA34 START 98.667
HIERARCH ESO ISS PBLA34 END 98.597
HIERARCH ESO ISS AMBI TAU0 START 0.006413
HIERARCH ESO ISS AMBI TAU0 END 0.005915
HIERARCH ESO ISS AMBI TEMP 12.57
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.44