Exposure
ID
PIONI.2022-01-04T06:22:39.651_1
Header ID
PIONI.2022-01-04T06:22:39.651
Date updated
2022-01-04 06:30:51 UTC+0000
Release date
2023-01-04 06:30:51 UTC+0000
UTC Start
2022-01-04 06:22:39.650
UTC End
2022-01-04 06:23:05.250
MJD Start
59583.2657366954
MJD End
59583.2660329917
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.013785
Ambient temperature (°C)
14.93
Seeing (arcsec)
0.37
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 87.9830 87.9420 124.9000 125.0000
A0-J2 124.1460 124.0630 101.0000 101.1000
A0-J3 128.9070 128.8500 52.6420 52.6890
G1-J2 56.3480 56.3170 61.9000 61.9000
G1-J3 132.0960 132.0910 13.2650 13.3220
J2-J3 103.8350 103.8320 349.2400 349.3130
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 59583.2657366954
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 87.983
HIERARCH ESO ISS PBL12 END 87.942
HIERARCH ESO ISS PBLA12 START 124.9
HIERARCH ESO ISS PBLA12 END 125.0
HIERARCH ESO ISS PBL13 START 124.146
HIERARCH ESO ISS PBL13 END 124.063
HIERARCH ESO ISS PBLA13 START 101.0
HIERARCH ESO ISS PBLA13 END 101.1
HIERARCH ESO ISS PBL14 START 128.907
HIERARCH ESO ISS PBL14 END 128.85
HIERARCH ESO ISS PBLA14 START 52.642
HIERARCH ESO ISS PBLA14 END 52.689
HIERARCH ESO ISS PBL23 START 56.348
HIERARCH ESO ISS PBL23 END 56.317
HIERARCH ESO ISS PBLA23 START 61.9
HIERARCH ESO ISS PBLA23 END 61.9
HIERARCH ESO ISS PBL24 START 132.096
HIERARCH ESO ISS PBL24 END 132.091
HIERARCH ESO ISS PBLA24 START 13.265
HIERARCH ESO ISS PBLA24 END 13.322
HIERARCH ESO ISS PBL34 START 103.835
HIERARCH ESO ISS PBL34 END 103.832
HIERARCH ESO ISS PBLA34 START 349.24
HIERARCH ESO ISS PBLA34 END 349.313
HIERARCH ESO ISS AMBI TAU0 START 0.013785
HIERARCH ESO ISS AMBI TAU0 END 0.013785
HIERARCH ESO ISS AMBI TEMP 14.93
HIERARCH ESO ISS AMBI FWHM START 0.37
HIERARCH ESO ISS AMBI FWHM END 0.37