Exposure
ID
MATIS.2025-08-09T08:21:47.532_1
Header ID
MATIS.2025-08-09T08:21:47.532
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 08:21:47.532
UTC End
2025-08-09 08:22:49.542
MJD Start
60896.34846681
MJD End
60896.34918451833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.004789
Ambient temperature (°C)
12.59
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 51.0290 51.0930 38.2000 38.2000
U1-U3 95.7510 95.8550 42.8000 42.8000
U1-U4 130.1860 130.1760 60.7130 60.6170
U2-U3 45.0710 45.1080 48.0000 48.0000
U2-U4 85.2950 85.1850 73.9380 73.8230
U3-U4 48.9010 48.7380 97.6950 97.6270
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 60896.34846681
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 51.029
HIERARCH ESO ISS PBL12 END 51.093
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 95.751
HIERARCH ESO ISS PBL13 END 95.855
HIERARCH ESO ISS PBLA13 START 42.8
HIERARCH ESO ISS PBLA13 END 42.8
HIERARCH ESO ISS PBL14 START 130.186
HIERARCH ESO ISS PBL14 END 130.176
HIERARCH ESO ISS PBLA14 START 60.713
HIERARCH ESO ISS PBLA14 END 60.617
HIERARCH ESO ISS PBL23 START 45.071
HIERARCH ESO ISS PBL23 END 45.108
HIERARCH ESO ISS PBLA23 START 48.0
HIERARCH ESO ISS PBLA23 END 48.0
HIERARCH ESO ISS PBL24 START 85.295
HIERARCH ESO ISS PBL24 END 85.185
HIERARCH ESO ISS PBLA24 START 73.938
HIERARCH ESO ISS PBLA24 END 73.823
HIERARCH ESO ISS PBL34 START 48.901
HIERARCH ESO ISS PBL34 END 48.738
HIERARCH ESO ISS PBLA34 START 97.695
HIERARCH ESO ISS PBLA34 END 97.627
HIERARCH ESO ISS AMBI TAU0 START 0.004789
HIERARCH ESO ISS AMBI TAU0 END 0.004789
HIERARCH ESO ISS AMBI TEMP 12.59
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.53