Exposure
ID
PIONI.2022-01-04T04:39:58.644_1
Header ID
PIONI.2022-01-04T04:39:58.644
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 04:39:58.644
UTC End
2022-01-04 04:40:24.244
MJD Start
59583.1944287508
MJD End
59583.1947250471
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.015997
Ambient temperature (°C)
15.67
Seeing (arcsec)
0.44
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 89.8810 89.9040 112.9000 112.9000
A0-J2 128.3000 128.3360 89.5000 89.6000
A0-J3 132.1040 132.1190 42.5670 42.6400
G1-J2 58.0230 58.0320 51.6000 51.7000
G1-J3 132.3990 132.3990 2.8380 2.9020
J2-J3 103.7900 103.7960 337.9700 338.0280
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 59583.1944287508
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 89.881
HIERARCH ESO ISS PBL12 END 89.904
HIERARCH ESO ISS PBLA12 START 112.9
HIERARCH ESO ISS PBLA12 END 112.9
HIERARCH ESO ISS PBL13 START 128.3
HIERARCH ESO ISS PBL13 END 128.336
HIERARCH ESO ISS PBLA13 START 89.5
HIERARCH ESO ISS PBLA13 END 89.6
HIERARCH ESO ISS PBL14 START 132.104
HIERARCH ESO ISS PBL14 END 132.119
HIERARCH ESO ISS PBLA14 START 42.567
HIERARCH ESO ISS PBLA14 END 42.64
HIERARCH ESO ISS PBL23 START 58.023
HIERARCH ESO ISS PBL23 END 58.032
HIERARCH ESO ISS PBLA23 START 51.6
HIERARCH ESO ISS PBLA23 END 51.7
HIERARCH ESO ISS PBL24 START 132.399
HIERARCH ESO ISS PBL24 END 132.399
HIERARCH ESO ISS PBLA24 START 2.838
HIERARCH ESO ISS PBLA24 END 2.902
HIERARCH ESO ISS PBL34 START 103.79
HIERARCH ESO ISS PBL34 END 103.796
HIERARCH ESO ISS PBLA34 START 337.97
HIERARCH ESO ISS PBLA34 END 338.028
HIERARCH ESO ISS AMBI TAU0 START 0.015997
HIERARCH ESO ISS AMBI TAU0 END 0.015997
HIERARCH ESO ISS AMBI TEMP 15.67
HIERARCH ESO ISS AMBI FWHM START 0.44
HIERARCH ESO ISS AMBI FWHM END 0.44