Exposure
ID
PIONI.2021-12-31T04:50:45.279_1
Header ID
PIONI.2021-12-31T04:50:45.279
Date updated
2021-12-31 04:56:20 UTC+0000
Release date
2022-12-31 04:56:20 UTC+0000
UTC Start
2021-12-31 04:50:45.279
UTC End
2021-12-31 04:51:10.879
MJD Start
59579.2019129549
MJD End
59579.2022092512
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.005349
Ambient temperature (°C)
14.07
Seeing (arcsec)
0.5
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 89.6750 89.7020 112.4000 112.4000
A0-J2 127.9730 128.0150 89.0000 89.0000
A0-J3 131.9730 131.9900 41.9600 42.0330
G1-J2 57.9420 57.9520 51.0000 51.1000
G1-J3 132.4000 132.4000 2.3050 2.3690
J2-J3 103.7400 103.7470 337.4930 337.5500
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 59579.2019129549
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 89.675
HIERARCH ESO ISS PBL12 END 89.702
HIERARCH ESO ISS PBLA12 START 112.4
HIERARCH ESO ISS PBLA12 END 112.4
HIERARCH ESO ISS PBL13 START 127.973
HIERARCH ESO ISS PBL13 END 128.015
HIERARCH ESO ISS PBLA13 START 89.0
HIERARCH ESO ISS PBLA13 END 89.0
HIERARCH ESO ISS PBL14 START 131.973
HIERARCH ESO ISS PBL14 END 131.99
HIERARCH ESO ISS PBLA14 START 41.96
HIERARCH ESO ISS PBLA14 END 42.033
HIERARCH ESO ISS PBL23 START 57.942
HIERARCH ESO ISS PBL23 END 57.952
HIERARCH ESO ISS PBLA23 START 51.0
HIERARCH ESO ISS PBLA23 END 51.1
HIERARCH ESO ISS PBL24 START 132.4
HIERARCH ESO ISS PBL24 END 132.4
HIERARCH ESO ISS PBLA24 START 2.305
HIERARCH ESO ISS PBLA24 END 2.369
HIERARCH ESO ISS PBL34 START 103.74
HIERARCH ESO ISS PBL34 END 103.747
HIERARCH ESO ISS PBLA34 START 337.493
HIERARCH ESO ISS PBLA34 END 337.55
HIERARCH ESO ISS AMBI TAU0 START 0.005349
HIERARCH ESO ISS AMBI TAU0 END 0.005349
HIERARCH ESO ISS AMBI TEMP 14.07
HIERARCH ESO ISS AMBI FWHM START 0.5
HIERARCH ESO ISS AMBI FWHM END 0.5