Exposure
ID
MATIS.2025-08-09T08:16:50.224_1
Header ID
MATIS.2025-08-09T08:16:50.224
Date updated
2025-08-09 08:25:43 UTC+0000
Release date
2026-08-09 08:25:43 UTC+0000
UTC Start
2025-08-09 08:16:50.224
UTC End
2025-08-09 08:17:52.234
MJD Start
60896.34502574
MJD End
60896.345743448335
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.004789
Ambient temperature (°C)
12.61
Seeing (arcsec)
0.53
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 50.7200 50.7850 38.2000 38.2000
U1-U3 95.2420 95.3500 42.9000 42.9000
U1-U4 130.2100 130.2080 61.1690 61.0750
U2-U3 44.8850 44.9250 48.3000 48.2000
U2-U4 85.8010 85.6980 74.4840 74.3710
U3-U4 49.6690 49.5110 98.0220 97.9540
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 60896.34502574
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 50.72
HIERARCH ESO ISS PBL12 END 50.785
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 95.242
HIERARCH ESO ISS PBL13 END 95.35
HIERARCH ESO ISS PBLA13 START 42.9
HIERARCH ESO ISS PBLA13 END 42.9
HIERARCH ESO ISS PBL14 START 130.21
HIERARCH ESO ISS PBL14 END 130.208
HIERARCH ESO ISS PBLA14 START 61.169
HIERARCH ESO ISS PBLA14 END 61.075
HIERARCH ESO ISS PBL23 START 44.885
HIERARCH ESO ISS PBL23 END 44.925
HIERARCH ESO ISS PBLA23 START 48.3
HIERARCH ESO ISS PBLA23 END 48.2
HIERARCH ESO ISS PBL24 START 85.801
HIERARCH ESO ISS PBL24 END 85.698
HIERARCH ESO ISS PBLA24 START 74.484
HIERARCH ESO ISS PBLA24 END 74.371
HIERARCH ESO ISS PBL34 START 49.669
HIERARCH ESO ISS PBL34 END 49.511
HIERARCH ESO ISS PBLA34 START 98.022
HIERARCH ESO ISS PBLA34 END 97.954
HIERARCH ESO ISS AMBI TAU0 START 0.004789
HIERARCH ESO ISS AMBI TAU0 END 0.004789
HIERARCH ESO ISS AMBI TEMP 12.61
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.53