Exposure
ID
PIONI.2021-12-31T05:09:15.651_1
Header ID
PIONI.2021-12-31T05:09:15.651
Date updated
2021-12-31 05:15:55 UTC+0000
Release date
2022-12-31 05:15:55 UTC+0000
UTC Start
2021-12-31 05:09:15.651
UTC End
2021-12-31 05:09:41.251
MJD Start
59579.2147644754
MJD End
59579.2150607717
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.005396
Ambient temperature (°C)
14.05
Seeing (arcsec)
0.66
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 90.2940 90.3070 114.2000 114.3000
A0-J2 128.9450 128.9650 91.0000 91.1000
A0-J3 132.3510 132.3580 44.1550 44.2230
G1-J2 58.1780 58.1820 53.2000 53.3000
G1-J3 132.3930 132.3930 4.2720 4.3360
J2-J3 103.8950 103.8980 339.2970 339.3570
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 59579.2147644754
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 90.294
HIERARCH ESO ISS PBL12 END 90.307
HIERARCH ESO ISS PBLA12 START 114.2
HIERARCH ESO ISS PBLA12 END 114.3
HIERARCH ESO ISS PBL13 START 128.945
HIERARCH ESO ISS PBL13 END 128.965
HIERARCH ESO ISS PBLA13 START 91.0
HIERARCH ESO ISS PBLA13 END 91.1
HIERARCH ESO ISS PBL14 START 132.351
HIERARCH ESO ISS PBL14 END 132.358
HIERARCH ESO ISS PBLA14 START 44.155
HIERARCH ESO ISS PBLA14 END 44.223
HIERARCH ESO ISS PBL23 START 58.178
HIERARCH ESO ISS PBL23 END 58.182
HIERARCH ESO ISS PBLA23 START 53.2
HIERARCH ESO ISS PBLA23 END 53.3
HIERARCH ESO ISS PBL24 START 132.393
HIERARCH ESO ISS PBL24 END 132.393
HIERARCH ESO ISS PBLA24 START 4.272
HIERARCH ESO ISS PBLA24 END 4.336
HIERARCH ESO ISS PBL34 START 103.895
HIERARCH ESO ISS PBL34 END 103.898
HIERARCH ESO ISS PBLA34 START 339.297
HIERARCH ESO ISS PBLA34 END 339.357
HIERARCH ESO ISS AMBI TAU0 START 0.005396
HIERARCH ESO ISS AMBI TAU0 END 0.005396
HIERARCH ESO ISS AMBI TEMP 14.05
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.66