Exposure
ID
PIONI.2021-12-31T04:50:07.103_1
Header ID
PIONI.2021-12-31T04:50:07.103
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 04:50:07.103
UTC End
2021-12-31 04:50:32.703
MJD Start
59579.201471101
MJD End
59579.2017673973
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.005349
Ambient temperature (°C)
14.07
Seeing (arcsec)
0.495
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 89.6470 89.6740 112.3000 112.4000
A0-J2 127.9270 127.9700 88.9000 89.0000
A0-J3 131.9550 131.9720 41.8820 41.9560
G1-J2 57.9310 57.9410 50.9000 51.0000
G1-J3 132.4000 132.4000 2.2370 2.3010
J2-J3 103.7330 103.7400 337.4330 337.4900
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 59579.201471101
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 89.647
HIERARCH ESO ISS PBL12 END 89.674
HIERARCH ESO ISS PBLA12 START 112.3
HIERARCH ESO ISS PBLA12 END 112.4
HIERARCH ESO ISS PBL13 START 127.927
HIERARCH ESO ISS PBL13 END 127.97
HIERARCH ESO ISS PBLA13 START 88.9
HIERARCH ESO ISS PBLA13 END 89.0
HIERARCH ESO ISS PBL14 START 131.955
HIERARCH ESO ISS PBL14 END 131.972
HIERARCH ESO ISS PBLA14 START 41.882
HIERARCH ESO ISS PBLA14 END 41.956
HIERARCH ESO ISS PBL23 START 57.931
HIERARCH ESO ISS PBL23 END 57.941
HIERARCH ESO ISS PBLA23 START 50.9
HIERARCH ESO ISS PBLA23 END 51.0
HIERARCH ESO ISS PBL24 START 132.4
HIERARCH ESO ISS PBL24 END 132.4
HIERARCH ESO ISS PBLA24 START 2.237
HIERARCH ESO ISS PBLA24 END 2.301
HIERARCH ESO ISS PBL34 START 103.733
HIERARCH ESO ISS PBL34 END 103.74
HIERARCH ESO ISS PBLA34 START 337.433
HIERARCH ESO ISS PBLA34 END 337.49
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 0.49
HIERARCH ESO ISS AMBI FWHM END 0.5