Exposure
ID
PIONI.2022-01-04T06:09:05.390_1
Header ID
PIONI.2022-01-04T06:09:05.390
Date updated
2022-01-04 06:15:53 UTC+0000
Release date
2023-01-04 06:15:53 UTC+0000
UTC Start
2022-01-04 06:09:05.389
UTC End
2022-01-04 06:09:30.989
MJD Start
59583.256312375
MJD End
59583.2566086713
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0208755
Ambient temperature (°C)
15.0
Seeing (arcsec)
0.275
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 88.8370 88.8030 123.1000 123.1000
A0-J2 125.8620 125.7930 99.4000 99.5000
A0-J3 130.0700 130.0240 51.5620 51.6110
G1-J2 56.9740 56.9490 60.7000 60.8000
G1-J3 132.1930 132.1890 11.9720 12.0300
J2-J3 103.8890 103.8860 347.6130 347.6850
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 59583.256312375
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 88.837
HIERARCH ESO ISS PBL12 END 88.803
HIERARCH ESO ISS PBLA12 START 123.1
HIERARCH ESO ISS PBLA12 END 123.1
HIERARCH ESO ISS PBL13 START 125.862
HIERARCH ESO ISS PBL13 END 125.793
HIERARCH ESO ISS PBLA13 START 99.4
HIERARCH ESO ISS PBLA13 END 99.5
HIERARCH ESO ISS PBL14 START 130.07
HIERARCH ESO ISS PBL14 END 130.024
HIERARCH ESO ISS PBLA14 START 51.562
HIERARCH ESO ISS PBLA14 END 51.611
HIERARCH ESO ISS PBL23 START 56.974
HIERARCH ESO ISS PBL23 END 56.949
HIERARCH ESO ISS PBLA23 START 60.7
HIERARCH ESO ISS PBLA23 END 60.8
HIERARCH ESO ISS PBL24 START 132.193
HIERARCH ESO ISS PBL24 END 132.189
HIERARCH ESO ISS PBLA24 START 11.972
HIERARCH ESO ISS PBLA24 END 12.03
HIERARCH ESO ISS PBL34 START 103.889
HIERARCH ESO ISS PBL34 END 103.886
HIERARCH ESO ISS PBLA34 START 347.613
HIERARCH ESO ISS PBLA34 END 347.685
HIERARCH ESO ISS AMBI TAU0 START 0.021136
HIERARCH ESO ISS AMBI TAU0 END 0.020615
HIERARCH ESO ISS AMBI TEMP 15.0
HIERARCH ESO ISS AMBI FWHM START 0.28
HIERARCH ESO ISS AMBI FWHM END 0.27