Exposure
ID
MATIS.2025-08-10T06:50:12.347_1
Header ID
MATIS.2025-08-10T06:50:12.347
Date updated
2025-08-10 07:00:45 UTC+0000
Release date
2026-08-10 07:00:45 UTC+0000
UTC Start
2025-08-10 06:50:12.347
UTC End
2025-08-10 06:51:14.357
MJD Start
60897.28486513
MJD End
60897.28558283833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.006418500000000001
Ambient temperature (°C)
12.29
Seeing (arcsec)
0.49
Observation
ID
69730
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
51780
Name
HD 218396
RA
346.871443
DEC
21.13372
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 44.5500 44.6360 36.1000 36.1000
U1-U3 84.0800 84.2480 42.9000 42.9000
U1-U4 124.2900 124.4400 67.4760 67.4110
U2-U3 40.1930 40.2700 50.4000 50.4000
U2-U4 89.3410 89.3570 82.5440 82.4510
U3-U4 59.2860 59.2050 103.6730 103.5980
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 60897.28486513
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871443
DEC 21.13372
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 44.55
HIERARCH ESO ISS PBL12 END 44.636
HIERARCH ESO ISS PBLA12 START 36.1
HIERARCH ESO ISS PBLA12 END 36.1
HIERARCH ESO ISS PBL13 START 84.08
HIERARCH ESO ISS PBL13 END 84.248
HIERARCH ESO ISS PBLA13 START 42.9
HIERARCH ESO ISS PBLA13 END 42.9
HIERARCH ESO ISS PBL14 START 124.29
HIERARCH ESO ISS PBL14 END 124.44
HIERARCH ESO ISS PBLA14 START 67.476
HIERARCH ESO ISS PBLA14 END 67.411
HIERARCH ESO ISS PBL23 START 40.193
HIERARCH ESO ISS PBL23 END 40.27
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 89.341
HIERARCH ESO ISS PBL24 END 89.357
HIERARCH ESO ISS PBLA24 START 82.544
HIERARCH ESO ISS PBLA24 END 82.451
HIERARCH ESO ISS PBL34 START 59.286
HIERARCH ESO ISS PBL34 END 59.205
HIERARCH ESO ISS PBLA34 START 103.673
HIERARCH ESO ISS PBLA34 END 103.598
HIERARCH ESO ISS AMBI TAU0 START 0.00619
HIERARCH ESO ISS AMBI TAU0 END 0.006647
HIERARCH ESO ISS AMBI TEMP 12.29
HIERARCH ESO ISS AMBI FWHM START 0.51
HIERARCH ESO ISS AMBI FWHM END 0.47