Exposure
ID
PIONI.2022-01-08T07:58:24.972_1
Header ID
PIONI.2022-01-08T07:58:24.972
Date updated
2022-01-08 08:05:56 UTC+0000
Release date
2023-01-08 08:05:56 UTC+0000
UTC Start
2022-01-08 07:58:24.972
UTC End
2022-01-08 07:58:50.572
MJD Start
59587.3322334699
MJD End
59587.3325297662
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.007995
Ambient temperature (°C)
14.29
Seeing (arcsec)
0.67
Observation
ID
49220
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
36834
Name
VYCMa
RA
110.743066
DEC
-25.7676
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 52.2690 52.1760 296.4000 296.5000
K0-D0 72.3430 72.1940 269.2000 269.3000
K0-J3 55.6960 55.6950 357.1590 357.2490
G2-D0 35.1660 35.1340 226.5000 226.5000
G2-J3 54.7160 54.6510 53.6670 53.6820
D0-J3 89.7150 89.6170 50.8580 50.8720
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 59587.3322334699
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME VYCMa
RA 110.743066
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
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 52.269
HIERARCH ESO ISS PBL12 END 52.176
HIERARCH ESO ISS PBLA12 START 296.4
HIERARCH ESO ISS PBLA12 END 296.5
HIERARCH ESO ISS PBL13 START 72.343
HIERARCH ESO ISS PBL13 END 72.194
HIERARCH ESO ISS PBLA13 START 269.2
HIERARCH ESO ISS PBLA13 END 269.3
HIERARCH ESO ISS PBL14 START 55.696
HIERARCH ESO ISS PBL14 END 55.695
HIERARCH ESO ISS PBLA14 START 357.159
HIERARCH ESO ISS PBLA14 END 357.249
HIERARCH ESO ISS PBL23 START 35.166
HIERARCH ESO ISS PBL23 END 35.134
HIERARCH ESO ISS PBLA23 START 226.5
HIERARCH ESO ISS PBLA23 END 226.5
HIERARCH ESO ISS PBL24 START 54.716
HIERARCH ESO ISS PBL24 END 54.651
HIERARCH ESO ISS PBLA24 START 53.667
HIERARCH ESO ISS PBLA24 END 53.682
HIERARCH ESO ISS PBL34 START 89.715
HIERARCH ESO ISS PBL34 END 89.617
HIERARCH ESO ISS PBLA34 START 50.858
HIERARCH ESO ISS PBLA34 END 50.872
HIERARCH ESO ISS AMBI TAU0 START 0.007999
HIERARCH ESO ISS AMBI TAU0 END 0.007991
HIERARCH ESO ISS AMBI TEMP 14.29
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.7