Exposure
ID
PIONI.2022-01-04T04:38:04.117_1
Header ID
PIONI.2022-01-04T04:38:04.117
Date updated
2022-01-04 04:45:56 UTC+0000
Release date
2023-01-04 04:45:56 UTC+0000
UTC Start
2022-01-04 04:38:04.117
UTC End
2022-01-04 04:38:29.717
MJD Start
59583.1931032068
MJD End
59583.1933995031
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0174035
Ambient temperature (°C)
15.64
Seeing (arcsec)
0.425
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 89.8060 89.8300 112.7000 112.8000
A0-J2 128.1800 128.2180 89.3000 89.4000
A0-J3 132.0560 132.0720 42.3370 42.4100
G1-J2 57.9930 58.0030 51.4000 51.5000
G1-J3 132.3990 132.3990 2.6350 2.6990
J2-J3 103.7720 103.7780 337.7880 337.8450
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 59583.1931032068
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 89.806
HIERARCH ESO ISS PBL12 END 89.83
HIERARCH ESO ISS PBLA12 START 112.7
HIERARCH ESO ISS PBLA12 END 112.8
HIERARCH ESO ISS PBL13 START 128.18
HIERARCH ESO ISS PBL13 END 128.218
HIERARCH ESO ISS PBLA13 START 89.3
HIERARCH ESO ISS PBLA13 END 89.4
HIERARCH ESO ISS PBL14 START 132.056
HIERARCH ESO ISS PBL14 END 132.072
HIERARCH ESO ISS PBLA14 START 42.337
HIERARCH ESO ISS PBLA14 END 42.41
HIERARCH ESO ISS PBL23 START 57.993
HIERARCH ESO ISS PBL23 END 58.003
HIERARCH ESO ISS PBLA23 START 51.4
HIERARCH ESO ISS PBLA23 END 51.5
HIERARCH ESO ISS PBL24 START 132.399
HIERARCH ESO ISS PBL24 END 132.399
HIERARCH ESO ISS PBLA24 START 2.635
HIERARCH ESO ISS PBLA24 END 2.699
HIERARCH ESO ISS PBL34 START 103.772
HIERARCH ESO ISS PBL34 END 103.778
HIERARCH ESO ISS PBLA34 START 337.788
HIERARCH ESO ISS PBLA34 END 337.845
HIERARCH ESO ISS AMBI TAU0 START 0.017018
HIERARCH ESO ISS AMBI TAU0 END 0.017789
HIERARCH ESO ISS AMBI TEMP 15.64
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.42