Exposure
ID
MATIS.2025-08-11T06:57:07.271_1
Header ID
MATIS.2025-08-11T06:57:07.271
Date updated
2025-08-11 07:05:33 UTC+0000
Release date
2026-08-11 07:05:33 UTC+0000
UTC Start
2025-08-11 06:57:07.271
UTC End
2025-08-11 06:58:09.281
MJD Start
60898.28966749
MJD End
60898.29038519833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.003864
Ambient temperature (°C)
14.92
Seeing (arcsec)
0.41
Observation
ID
69870
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
51863
Name
HD 218396
RA
346.871621
DEC
21.1337
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 45.4470 45.5320 36.6000 36.7000
U1-U3 85.8060 85.9660 43.1000 43.2000
U1-U4 125.7670 125.8970 66.7780 66.7090
U2-U3 40.9750 41.0470 50.3000 50.3000
U2-U4 89.4290 89.4280 81.5670 81.4730
U3-U4 58.3840 58.2920 102.8960 102.8220
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 60898.28966749
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871621
DEC 21.1337
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 45.447
HIERARCH ESO ISS PBL12 END 45.532
HIERARCH ESO ISS PBLA12 START 36.6
HIERARCH ESO ISS PBLA12 END 36.7
HIERARCH ESO ISS PBL13 START 85.806
HIERARCH ESO ISS PBL13 END 85.966
HIERARCH ESO ISS PBLA13 START 43.1
HIERARCH ESO ISS PBLA13 END 43.2
HIERARCH ESO ISS PBL14 START 125.767
HIERARCH ESO ISS PBL14 END 125.897
HIERARCH ESO ISS PBLA14 START 66.778
HIERARCH ESO ISS PBLA14 END 66.709
HIERARCH ESO ISS PBL23 START 40.975
HIERARCH ESO ISS PBL23 END 41.047
HIERARCH ESO ISS PBLA23 START 50.3
HIERARCH ESO ISS PBLA23 END 50.3
HIERARCH ESO ISS PBL24 START 89.429
HIERARCH ESO ISS PBL24 END 89.428
HIERARCH ESO ISS PBLA24 START 81.567
HIERARCH ESO ISS PBLA24 END 81.473
HIERARCH ESO ISS PBL34 START 58.384
HIERARCH ESO ISS PBL34 END 58.292
HIERARCH ESO ISS PBLA34 START 102.896
HIERARCH ESO ISS PBLA34 END 102.822
HIERARCH ESO ISS AMBI TAU0 START 0.003864
HIERARCH ESO ISS AMBI TAU0 END 0.003864
HIERARCH ESO ISS AMBI TEMP 14.92
HIERARCH ESO ISS AMBI FWHM START 0.41
HIERARCH ESO ISS AMBI FWHM END 0.41