Exposure
ID
PIONI.2022-01-13T07:22:58.041_1
Header ID
PIONI.2022-01-13T07:22:58.041
Date updated
2022-01-13 07:31:04 UTC+0000
Release date
2023-01-13 07:31:03 UTC+0000
UTC Start
2022-01-13 07:22:58.042
UTC End
2022-01-13 07:23:23.642
MJD Start
59592.3076162217
MJD End
59592.307912518
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.016646
Ambient temperature (°C)
14.75
Seeing (arcsec)
0.735
Observation
ID
49260
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
K0 B2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-B2 99.6200 99.4630 253.7000 253.7000
K0-D0 76.1210 75.9860 267.6000 267.6000
K0-J3 55.7370 55.7360 354.8130 354.9000
B2-D0 31.5200 31.5020 38.4000 38.4000
B2-J3 123.1700 123.0660 47.3450 47.3640
D0-J3 92.1670 92.0800 50.4020 50.4210
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 59592.3076162217
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 K0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
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 99.62
HIERARCH ESO ISS PBL12 END 99.463
HIERARCH ESO ISS PBLA12 START 253.7
HIERARCH ESO ISS PBLA12 END 253.7
HIERARCH ESO ISS PBL13 START 76.121
HIERARCH ESO ISS PBL13 END 75.986
HIERARCH ESO ISS PBLA13 START 267.6
HIERARCH ESO ISS PBLA13 END 267.6
HIERARCH ESO ISS PBL14 START 55.737
HIERARCH ESO ISS PBL14 END 55.736
HIERARCH ESO ISS PBLA14 START 354.813
HIERARCH ESO ISS PBLA14 END 354.9
HIERARCH ESO ISS PBL23 START 31.52
HIERARCH ESO ISS PBL23 END 31.502
HIERARCH ESO ISS PBLA23 START 38.4
HIERARCH ESO ISS PBLA23 END 38.4
HIERARCH ESO ISS PBL24 START 123.17
HIERARCH ESO ISS PBL24 END 123.066
HIERARCH ESO ISS PBLA24 START 47.345
HIERARCH ESO ISS PBLA24 END 47.364
HIERARCH ESO ISS PBL34 START 92.167
HIERARCH ESO ISS PBL34 END 92.08
HIERARCH ESO ISS PBLA34 START 50.402
HIERARCH ESO ISS PBLA34 END 50.421
HIERARCH ESO ISS AMBI TAU0 START 0.01611
HIERARCH ESO ISS AMBI TAU0 END 0.017182
HIERARCH ESO ISS AMBI TEMP 14.75
HIERARCH ESO ISS AMBI FWHM START 0.73
HIERARCH ESO ISS AMBI FWHM END 0.74