Exposure
ID
PIONI.2022-01-17T06:29:17.857_1
Header ID
PIONI.2022-01-17T06:29:17.857
Date updated
2022-01-17 06:41:10 UTC+0000
Release date
2023-01-17 06:41:09 UTC+0000
UTC Start
2022-01-17 06:29:17.858
UTC End
2022-01-17 06:29:43.458
MJD Start
59596.2703455747
MJD End
59596.270641871
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0055875
Ambient temperature (°C)
12.11
Seeing (arcsec)
0.895
Observation
ID
49273
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
36867
Name
VYCMa
RA
110.741831
DEC
-25.7676
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 24.6110 24.6070 159.9000 160.0000
A0-D0 27.9930 27.9560 83.8000 83.9000
A0-C1 20.7250 20.7100 134.0500 134.1570
B2-D0 32.5320 32.5180 36.6000 36.6000
B2-C1 10.8380 10.8330 36.5470 36.5800
D0-C1 21.6940 21.6850 216.6070 216.6400
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 59596.2703455747
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME VYCMa
RA 110.741831
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 25.6
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 24.611
HIERARCH ESO ISS PBL12 END 24.607
HIERARCH ESO ISS PBLA12 START 159.9
HIERARCH ESO ISS PBLA12 END 160.0
HIERARCH ESO ISS PBL13 START 27.993
HIERARCH ESO ISS PBL13 END 27.956
HIERARCH ESO ISS PBLA13 START 83.8
HIERARCH ESO ISS PBLA13 END 83.9
HIERARCH ESO ISS PBL14 START 20.725
HIERARCH ESO ISS PBL14 END 20.71
HIERARCH ESO ISS PBLA14 START 134.05
HIERARCH ESO ISS PBLA14 END 134.157
HIERARCH ESO ISS PBL23 START 32.532
HIERARCH ESO ISS PBL23 END 32.518
HIERARCH ESO ISS PBLA23 START 36.6
HIERARCH ESO ISS PBLA23 END 36.6
HIERARCH ESO ISS PBL24 START 10.838
HIERARCH ESO ISS PBL24 END 10.833
HIERARCH ESO ISS PBLA24 START 36.547
HIERARCH ESO ISS PBLA24 END 36.58
HIERARCH ESO ISS PBL34 START 21.694
HIERARCH ESO ISS PBL34 END 21.685
HIERARCH ESO ISS PBLA34 START 216.607
HIERARCH ESO ISS PBLA34 END 216.64
HIERARCH ESO ISS AMBI TAU0 START 0.005476
HIERARCH ESO ISS AMBI TAU0 END 0.005699
HIERARCH ESO ISS AMBI TEMP 12.11
HIERARCH ESO ISS AMBI FWHM START 0.89
HIERARCH ESO ISS AMBI FWHM END 0.9