Exposure
ID
MATIS.2021-09-18T03:59:09.789_1
Header ID
MATIS.2021-09-18T03:59:09.789
Date updated
2021-09-29 14:28:43 UTC+0000
Release date
2021-09-18 03:59:09 UTC+0000
UTC Start
2021-09-18 03:59:09.789
UTC End
2021-09-18 04:00:09.849
MJD Start
59475.16608552
MJD End
59475.1667806589
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.0041595
Ambient temperature (°C)
13.77
Seeing (arcsec)
0.91
Observation
ID
48228
Category
calibrator
Program ID
105.2047.004
Program Title
CONSTRAINING EFFECTS OF CONVECTION AND PULSATION: ALMA SIO AND VLTI IMAGING OF AGB STARS
Program Type
Normal
PI / COI
WITTKOWSKI/ HUMPHREYS/ CHIAVASSA/ PALADINI/ H\XC3\XB6FNER/ GRAY/ BLADH/ FREYTAG
Target
ID
36187
Name
tau Aqr
RA
342.39786
DEC
-13.59282
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 68.1660 68.1430 272.5000 272.5000
K0-D0 95.9780 95.9760 252.3000 252.4000
K0-J3 55.3960 55.3750 334.0480 334.1620
G2-D0 39.6920 39.7040 216.0000 216.1000
G2-J3 64.1850 64.2040 43.1050 43.1910
D0-J3 103.6900 103.7210 40.3980 40.4860
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 105.2047.004
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD
MJD-OBS 59475.16608552
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME tau Aqr
RA 342.39786
DEC -13.59282
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 0.0751997
HIERARCH ESO DET SEQ1 PERIOD 0.182
HIERARCH ESO DET NDIT 330
HIERARCH ESO ISS PBL12 START 68.166
HIERARCH ESO ISS PBL12 END 68.143
HIERARCH ESO ISS PBLA12 START 272.5
HIERARCH ESO ISS PBLA12 END 272.5
HIERARCH ESO ISS PBL13 START 95.978
HIERARCH ESO ISS PBL13 END 95.976
HIERARCH ESO ISS PBLA13 START 252.3
HIERARCH ESO ISS PBLA13 END 252.4
HIERARCH ESO ISS PBL14 START 55.396
HIERARCH ESO ISS PBL14 END 55.375
HIERARCH ESO ISS PBLA14 START 334.048
HIERARCH ESO ISS PBLA14 END 334.162
HIERARCH ESO ISS PBL23 START 39.692
HIERARCH ESO ISS PBL23 END 39.704
HIERARCH ESO ISS PBLA23 START 216.0
HIERARCH ESO ISS PBLA23 END 216.1
HIERARCH ESO ISS PBL24 START 64.185
HIERARCH ESO ISS PBL24 END 64.204
HIERARCH ESO ISS PBLA24 START 43.105
HIERARCH ESO ISS PBLA24 END 43.191
HIERARCH ESO ISS PBL34 START 103.69
HIERARCH ESO ISS PBL34 END 103.721
HIERARCH ESO ISS PBLA34 START 40.398
HIERARCH ESO ISS PBLA34 END 40.486
HIERARCH ESO ISS AMBI TAU0 START 0.003718
HIERARCH ESO ISS AMBI TAU0 END 0.004601
HIERARCH ESO ISS AMBI TEMP 13.77
HIERARCH ESO ISS AMBI FWHM START 0.97
HIERARCH ESO ISS AMBI FWHM END 0.85