Exposure
ID
MATIS.2025-08-07T09:47:03.183_1
Header ID
MATIS.2025-08-07T09:47:03.183
Date updated
2025-08-07 09:55:51 UTC+0000
Release date
2025-08-07 09:47:03 UTC+0000
UTC Start
2025-08-07 09:47:03.183
UTC End
2025-08-07 09:48:04.845
MJD Start
60894.40767573
MJD End
60894.40838941056
Exposure time (s)
61.7
Validation level
1
Tau 0: Coherence time (s)
0.004437
Ambient temperature (°C)
13.63
Seeing (arcsec)
0.73
Observation
ID
69525
Category
calibrator
Program ID
60.A-9130(A)
Program Title
DAILY CALIBRATION
Program Type
Normal
PI / COI
TEAM
Target
ID
51636
Name
iot Eri
RA
40.169372
DEC
-39.85547
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 55.5230 55.5070 23.0000 23.1000
U1-U3 101.0100 100.9790 29.3000 29.4000
U1-U4 130.1130 130.0980 56.4780 56.6440
U2-U3 46.2210 46.2080 36.8000 37.0000
U2-U4 89.2420 89.2620 76.5620 76.7360
U3-U4 61.3050 61.3460 105.3890 105.5490
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 60894.40767573
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME iot Eri
RA 40.169372
DEC -39.85547
HIERARCH ESO DET NAME MATISSE-LM
HIERARCH ESO INS FIL NAME LM
HIERARCH ESO INS FIL ID LM
HIERARCH ESO INS DIL NAME LOW
HIERARCH ESO INS DIL 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 0.6
HIERARCH ESO DET SEQ1 PERIOD 0.717
HIERARCH ESO DET NDIT 86
HIERARCH ESO ISS PBL12 START 55.523
HIERARCH ESO ISS PBL12 END 55.507
HIERARCH ESO ISS PBLA12 START 23.0
HIERARCH ESO ISS PBLA12 END 23.1
HIERARCH ESO ISS PBL13 START 101.01
HIERARCH ESO ISS PBL13 END 100.979
HIERARCH ESO ISS PBLA13 START 29.3
HIERARCH ESO ISS PBLA13 END 29.4
HIERARCH ESO ISS PBL14 START 130.113
HIERARCH ESO ISS PBL14 END 130.098
HIERARCH ESO ISS PBLA14 START 56.478
HIERARCH ESO ISS PBLA14 END 56.644
HIERARCH ESO ISS PBL23 START 46.221
HIERARCH ESO ISS PBL23 END 46.208
HIERARCH ESO ISS PBLA23 START 36.8
HIERARCH ESO ISS PBLA23 END 37.0
HIERARCH ESO ISS PBL24 START 89.242
HIERARCH ESO ISS PBL24 END 89.262
HIERARCH ESO ISS PBLA24 START 76.562
HIERARCH ESO ISS PBLA24 END 76.736
HIERARCH ESO ISS PBL34 START 61.305
HIERARCH ESO ISS PBL34 END 61.346
HIERARCH ESO ISS PBLA34 START 105.389
HIERARCH ESO ISS PBLA34 END 105.549
HIERARCH ESO ISS AMBI TAU0 START 0.004437
HIERARCH ESO ISS AMBI TAU0 END 0.004437
HIERARCH ESO ISS AMBI TEMP 13.63
HIERARCH ESO ISS AMBI FWHM START 0.73
HIERARCH ESO ISS AMBI FWHM END 0.73