Exposure
ID
PIONI.2022-01-04T04:26:16.707_1
Header ID
PIONI.2022-01-04T04:26:16.707
Date updated
2022-01-04 04:35:54 UTC+0000
Release date
2023-01-04 04:35:54 UTC+0000
UTC Start
2022-01-04 04:26:16.707
UTC End
2022-01-04 04:26:42.307
MJD Start
59583.1849155864
MJD End
59583.1852118827
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 89.2380 89.2710 111.6000 111.6000
A0-J2 127.2760 127.3290 88.0000 88.1000
A0-J3 131.6910 131.7120 40.8680 40.9440
G1-J2 57.7680 57.7810 49.9000 50.0000
G1-J3 132.4020 132.4010 1.3720 1.4360
J2-J3 103.6350 103.6430 336.6780 336.7330
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 59583.1849155864
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 89.238
HIERARCH ESO ISS PBL12 END 89.271
HIERARCH ESO ISS PBLA12 START 111.6
HIERARCH ESO ISS PBLA12 END 111.6
HIERARCH ESO ISS PBL13 START 127.276
HIERARCH ESO ISS PBL13 END 127.329
HIERARCH ESO ISS PBLA13 START 88.0
HIERARCH ESO ISS PBLA13 END 88.1
HIERARCH ESO ISS PBL14 START 131.691
HIERARCH ESO ISS PBL14 END 131.712
HIERARCH ESO ISS PBLA14 START 40.868
HIERARCH ESO ISS PBLA14 END 40.944
HIERARCH ESO ISS PBL23 START 57.768
HIERARCH ESO ISS PBL23 END 57.781
HIERARCH ESO ISS PBLA23 START 49.9
HIERARCH ESO ISS PBLA23 END 50.0
HIERARCH ESO ISS PBL24 START 132.402
HIERARCH ESO ISS PBL24 END 132.401
HIERARCH ESO ISS PBLA24 START 1.372
HIERARCH ESO ISS PBLA24 END 1.436
HIERARCH ESO ISS PBL34 START 103.635
HIERARCH ESO ISS PBL34 END 103.643
HIERARCH ESO ISS PBLA34 START 336.678
HIERARCH ESO ISS PBLA34 END 336.733
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