Exposure
ID
PIONI.2022-01-04T04:25:38.587_1
Header ID
PIONI.2022-01-04T04:25:38.587
Date updated
2022-01-04 04:31:17 UTC+0000
Release date
2023-01-04 04:31:17 UTC+0000
UTC Start
2022-01-04 04:25:38.587
UTC End
2022-01-04 04:26:04.187
MJD Start
59583.1844743891
MJD End
59583.1847706854
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.013938
Ambient temperature (°C)
15.66
Seeing (arcsec)
0.47
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 89.2030 89.2360 111.5000 111.5000
A0-J2 127.2200 127.2730 87.9000 88.0000
A0-J3 131.6680 131.6900 40.7880 40.8640
G1-J2 57.7540 57.7670 49.8000 49.9000
G1-J3 132.4020 132.4020 1.3040 1.3680
J2-J3 103.6260 103.6340 336.6200 336.6750
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 59583.1844743891
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 89.203
HIERARCH ESO ISS PBL12 END 89.236
HIERARCH ESO ISS PBLA12 START 111.5
HIERARCH ESO ISS PBLA12 END 111.5
HIERARCH ESO ISS PBL13 START 127.22
HIERARCH ESO ISS PBL13 END 127.273
HIERARCH ESO ISS PBLA13 START 87.9
HIERARCH ESO ISS PBLA13 END 88.0
HIERARCH ESO ISS PBL14 START 131.668
HIERARCH ESO ISS PBL14 END 131.69
HIERARCH ESO ISS PBLA14 START 40.788
HIERARCH ESO ISS PBLA14 END 40.864
HIERARCH ESO ISS PBL23 START 57.754
HIERARCH ESO ISS PBL23 END 57.767
HIERARCH ESO ISS PBLA23 START 49.8
HIERARCH ESO ISS PBLA23 END 49.9
HIERARCH ESO ISS PBL24 START 132.402
HIERARCH ESO ISS PBL24 END 132.402
HIERARCH ESO ISS PBLA24 START 1.304
HIERARCH ESO ISS PBLA24 END 1.368
HIERARCH ESO ISS PBL34 START 103.626
HIERARCH ESO ISS PBL34 END 103.634
HIERARCH ESO ISS PBLA34 START 336.62
HIERARCH ESO ISS PBLA34 END 336.675
HIERARCH ESO ISS AMBI TAU0 START 0.013938
HIERARCH ESO ISS AMBI TAU0 END 0.013938
HIERARCH ESO ISS AMBI TEMP 15.66
HIERARCH ESO ISS AMBI FWHM START 0.47
HIERARCH ESO ISS AMBI FWHM END 0.47