Exposure
ID
PIONI.2021-12-31T05:07:21.097_1
Header ID
PIONI.2021-12-31T05:07:21.097
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 05:07:21.097
UTC End
2021-12-31 05:07:46.697
MJD Start
59579.213438618
MJD End
59579.2137349143
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.005254
Ambient temperature (°C)
14.04
Seeing (arcsec)
0.65
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 90.2490 90.2640 114.0000 114.1000
A0-J2 128.8770 128.8990 90.8000 90.8000
A0-J3 132.3270 132.3350 43.9370 44.0060
G1-J2 58.1620 58.1670 53.0000 53.1000
G1-J3 132.3940 132.3940 4.0710 4.1350
J2-J3 103.8830 103.8860 339.1070 339.1670
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 59579.213438618
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 90.249
HIERARCH ESO ISS PBL12 END 90.264
HIERARCH ESO ISS PBLA12 START 114.0
HIERARCH ESO ISS PBLA12 END 114.1
HIERARCH ESO ISS PBL13 START 128.877
HIERARCH ESO ISS PBL13 END 128.899
HIERARCH ESO ISS PBLA13 START 90.8
HIERARCH ESO ISS PBLA13 END 90.8
HIERARCH ESO ISS PBL14 START 132.327
HIERARCH ESO ISS PBL14 END 132.335
HIERARCH ESO ISS PBLA14 START 43.937
HIERARCH ESO ISS PBLA14 END 44.006
HIERARCH ESO ISS PBL23 START 58.162
HIERARCH ESO ISS PBL23 END 58.167
HIERARCH ESO ISS PBLA23 START 53.0
HIERARCH ESO ISS PBLA23 END 53.1
HIERARCH ESO ISS PBL24 START 132.394
HIERARCH ESO ISS PBL24 END 132.394
HIERARCH ESO ISS PBLA24 START 4.071
HIERARCH ESO ISS PBLA24 END 4.135
HIERARCH ESO ISS PBL34 START 103.883
HIERARCH ESO ISS PBL34 END 103.886
HIERARCH ESO ISS PBLA34 START 339.107
HIERARCH ESO ISS PBLA34 END 339.167
HIERARCH ESO ISS AMBI TAU0 START 0.005003
HIERARCH ESO ISS AMBI TAU0 END 0.005505
HIERARCH ESO ISS AMBI TEMP 14.04
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.66