Exposure
ID
PIONI.2021-12-31T05:06:43.165_1
Header ID
PIONI.2021-12-31T05:06:43.165
Date updated
2021-12-31 05:15:55 UTC+0000
Release date
2022-12-31 05:15:55 UTC+0000
UTC Start
2021-12-31 05:06:43.165
UTC End
2021-12-31 05:07:08.765
MJD Start
59579.2129995953
MJD End
59579.2132958916
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.005003
Ambient temperature (°C)
14.04
Seeing (arcsec)
0.64
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 90.2330 90.2480 114.0000 114.0000
A0-J2 128.8520 128.8750 90.7000 90.8000
A0-J3 132.3180 132.3260 43.8640 43.9330
G1-J2 58.1570 58.1620 52.9000 53.0000
G1-J3 132.3950 132.3940 4.0040 4.0680
J2-J3 103.8780 103.8820 339.0440 339.1040
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 59579.2129995953
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 90.233
HIERARCH ESO ISS PBL12 END 90.248
HIERARCH ESO ISS PBLA12 START 114.0
HIERARCH ESO ISS PBLA12 END 114.0
HIERARCH ESO ISS PBL13 START 128.852
HIERARCH ESO ISS PBL13 END 128.875
HIERARCH ESO ISS PBLA13 START 90.7
HIERARCH ESO ISS PBLA13 END 90.8
HIERARCH ESO ISS PBL14 START 132.318
HIERARCH ESO ISS PBL14 END 132.326
HIERARCH ESO ISS PBLA14 START 43.864
HIERARCH ESO ISS PBLA14 END 43.933
HIERARCH ESO ISS PBL23 START 58.157
HIERARCH ESO ISS PBL23 END 58.162
HIERARCH ESO ISS PBLA23 START 52.9
HIERARCH ESO ISS PBLA23 END 53.0
HIERARCH ESO ISS PBL24 START 132.395
HIERARCH ESO ISS PBL24 END 132.394
HIERARCH ESO ISS PBLA24 START 4.004
HIERARCH ESO ISS PBLA24 END 4.068
HIERARCH ESO ISS PBL34 START 103.878
HIERARCH ESO ISS PBL34 END 103.882
HIERARCH ESO ISS PBLA34 START 339.044
HIERARCH ESO ISS PBLA34 END 339.104
HIERARCH ESO ISS AMBI TAU0 START 0.005003
HIERARCH ESO ISS AMBI TAU0 END 0.005003
HIERARCH ESO ISS AMBI TEMP 14.04
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.64