Exposure
ID
PIONI.2022-01-04T06:10:21.402_1
Header ID
PIONI.2022-01-04T06:10:21.402
Date updated
2022-01-04 06:21:04 UTC+0000
Release date
2023-01-04 06:21:04 UTC+0000
UTC Start
2022-01-04 06:10:21.401
UTC End
2022-01-04 06:10:47.001
MJD Start
59583.2571921456
MJD End
59583.2574884419
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0200595
Ambient temperature (°C)
15.0
Seeing (arcsec)
0.27
Observation
ID
49124
Category
science
Program ID
108.221K.001
Program Title
THE MOST RECENT MASS-LOSS HISTORY OF THE RED SUPERGIANT VY CMA
Program Type
Normal
PI / COI
WITTKOWSKI/ LAGADEC/ SCICLUNA/ HUMPHREYS/ MONTARGES/ RAU/ PALADINI/ BRUNO/ NORRIS/ HÖFNER/ CANNON/ CHIAVASSA/ FREYTAG
Target
ID
36759
Name
VYCMa
RA
110.742449
DEC
-25.7676
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 G1 J2 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 88.7640 88.7290 123.2000 123.3000
A0-J2 125.7160 125.6460 99.6000 99.6000
A0-J3 129.9720 129.9250 51.6660 51.7150
G1-J2 56.9210 56.8950 60.8000 60.9000
G1-J3 132.1850 132.1810 12.0940 12.1520
J2-J3 103.8840 103.8820 347.7640 347.8350
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 108.221K.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 59583.2571921456
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME VYCMa
RA 110.742449
DEC -25.7676
HIERARCH ESO INS OPTI2 NAME GRISM
HIERARCH ESO INS OPTI2 ID GRISM
HIERARCH ESO INS FILT1 NAME H
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 25.6
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 88.764
HIERARCH ESO ISS PBL12 END 88.729
HIERARCH ESO ISS PBLA12 START 123.2
HIERARCH ESO ISS PBLA12 END 123.3
HIERARCH ESO ISS PBL13 START 125.716
HIERARCH ESO ISS PBL13 END 125.646
HIERARCH ESO ISS PBLA13 START 99.6
HIERARCH ESO ISS PBLA13 END 99.6
HIERARCH ESO ISS PBL14 START 129.972
HIERARCH ESO ISS PBL14 END 129.925
HIERARCH ESO ISS PBLA14 START 51.666
HIERARCH ESO ISS PBLA14 END 51.715
HIERARCH ESO ISS PBL23 START 56.921
HIERARCH ESO ISS PBL23 END 56.895
HIERARCH ESO ISS PBLA23 START 60.8
HIERARCH ESO ISS PBLA23 END 60.9
HIERARCH ESO ISS PBL24 START 132.185
HIERARCH ESO ISS PBL24 END 132.181
HIERARCH ESO ISS PBLA24 START 12.094
HIERARCH ESO ISS PBLA24 END 12.152
HIERARCH ESO ISS PBL34 START 103.884
HIERARCH ESO ISS PBL34 END 103.882
HIERARCH ESO ISS PBLA34 START 347.764
HIERARCH ESO ISS PBLA34 END 347.835
HIERARCH ESO ISS AMBI TAU0 START 0.020615
HIERARCH ESO ISS AMBI TAU0 END 0.019504
HIERARCH ESO ISS AMBI TEMP 15.0
HIERARCH ESO ISS AMBI FWHM START 0.27
HIERARCH ESO ISS AMBI FWHM END 0.27