Exposure
ID
MATIS.2025-08-07T09:42:45.158_1
Header ID
MATIS.2025-08-07T09:42:45.158
Date updated
2025-08-07 09:50:51 UTC+0000
Release date
2025-08-07 09:42:45 UTC+0000
UTC Start
2025-08-07 09:42:45.158
UTC End
2025-08-07 09:43:47.168
MJD Start
60894.40468933
MJD End
60894.40540703833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.004858
Ambient temperature (°C)
13.66
Seeing (arcsec)
0.69
Observation
ID
69522
Category
calibrator
Program ID
60.A-9130(A)
Program Title
DAILY CALIBRATION
Program Type
Normal
PI / COI
TEAM
Target
ID
51634
Name
iot Eri
RA
40.169375
DEC
-39.85547
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 55.5820 55.5680 22.4000 22.6000
U1-U3 101.1260 101.0980 28.7000 28.8000
U1-U4 130.1640 130.1530 55.8040 55.9720
U2-U3 46.2730 46.2610 36.2000 36.4000
U2-U4 89.1530 89.1760 75.8590 76.0340
U3-U4 61.1310 61.1750 104.7440 104.9040
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 60.A-9130(A)
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD
MJD-OBS 60894.40468933
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME iot Eri
RA 40.169375
DEC -39.85547
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 55.582
HIERARCH ESO ISS PBL12 END 55.568
HIERARCH ESO ISS PBLA12 START 22.4
HIERARCH ESO ISS PBLA12 END 22.6
HIERARCH ESO ISS PBL13 START 101.126
HIERARCH ESO ISS PBL13 END 101.098
HIERARCH ESO ISS PBLA13 START 28.7
HIERARCH ESO ISS PBLA13 END 28.8
HIERARCH ESO ISS PBL14 START 130.164
HIERARCH ESO ISS PBL14 END 130.153
HIERARCH ESO ISS PBLA14 START 55.804
HIERARCH ESO ISS PBLA14 END 55.972
HIERARCH ESO ISS PBL23 START 46.273
HIERARCH ESO ISS PBL23 END 46.261
HIERARCH ESO ISS PBLA23 START 36.2
HIERARCH ESO ISS PBLA23 END 36.4
HIERARCH ESO ISS PBL24 START 89.153
HIERARCH ESO ISS PBL24 END 89.176
HIERARCH ESO ISS PBLA24 START 75.859
HIERARCH ESO ISS PBLA24 END 76.034
HIERARCH ESO ISS PBL34 START 61.131
HIERARCH ESO ISS PBL34 END 61.175
HIERARCH ESO ISS PBLA34 START 104.744
HIERARCH ESO ISS PBLA34 END 104.904
HIERARCH ESO ISS AMBI TAU0 START 0.004858
HIERARCH ESO ISS AMBI TAU0 END 0.004858
HIERARCH ESO ISS AMBI TEMP 13.66
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.69