Exposure
ID
MATIS.2025-08-09T06:56:28.574_1
Header ID
MATIS.2025-08-09T06:56:28.574
Date updated
2025-08-09 07:05:36 UTC+0000
Release date
2026-08-09 07:05:36 UTC+0000
UTC Start
2025-08-09 06:56:28.574
UTC End
2025-08-09 06:57:30.584
MJD Start
60896.28921961
MJD End
60896.28993731833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.005515
Ambient temperature (°C)
12.55
Seeing (arcsec)
0.53
Observation
ID
69586
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
51686
Name
HD 218396
RA
346.871601
DEC
21.1339
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 44.7440 44.8300 36.2000 36.2000
U1-U3 84.4570 84.6230 42.9000 43.0000
U1-U4 124.6250 124.7710 67.3250 67.2590
U2-U3 40.3650 40.4410 50.4000 50.4000
U2-U4 89.3740 89.3870 82.3310 82.2380
U3-U4 59.1020 59.0190 103.5010 103.4260
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 60896.28921961
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871601
DEC 21.1339
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 44.744
HIERARCH ESO ISS PBL12 END 44.83
HIERARCH ESO ISS PBLA12 START 36.2
HIERARCH ESO ISS PBLA12 END 36.2
HIERARCH ESO ISS PBL13 START 84.457
HIERARCH ESO ISS PBL13 END 84.623
HIERARCH ESO ISS PBLA13 START 42.9
HIERARCH ESO ISS PBLA13 END 43.0
HIERARCH ESO ISS PBL14 START 124.625
HIERARCH ESO ISS PBL14 END 124.771
HIERARCH ESO ISS PBLA14 START 67.325
HIERARCH ESO ISS PBLA14 END 67.259
HIERARCH ESO ISS PBL23 START 40.365
HIERARCH ESO ISS PBL23 END 40.441
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 89.374
HIERARCH ESO ISS PBL24 END 89.387
HIERARCH ESO ISS PBLA24 START 82.331
HIERARCH ESO ISS PBLA24 END 82.238
HIERARCH ESO ISS PBL34 START 59.102
HIERARCH ESO ISS PBL34 END 59.019
HIERARCH ESO ISS PBLA34 START 103.501
HIERARCH ESO ISS PBLA34 END 103.426
HIERARCH ESO ISS AMBI TAU0 START 0.005515
HIERARCH ESO ISS AMBI TAU0 END 0.005515
HIERARCH ESO ISS AMBI TEMP 12.55
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.53