Exposure
ID
PIONI.2022-01-04T04:38:42.378_1
Header ID
PIONI.2022-01-04T04:38:42.378
Date updated
2022-01-04 04:45:56 UTC+0000
Release date
2023-01-04 04:45:56 UTC+0000
UTC Start
2022-01-04 04:38:42.378
UTC End
2022-01-04 04:39:07.978
MJD Start
59583.1935460414
MJD End
59583.1938423377
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.017789
Ambient temperature (°C)
15.64
Seeing (arcsec)
0.42
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 89.8310 89.8550 112.8000 112.8000
A0-J2 128.2210 128.2580 89.4000 89.4000
A0-J3 132.0730 132.0880 42.4140 42.4870
G1-J2 58.0030 58.0130 51.5000 51.5000
G1-J3 132.3990 132.3990 2.7020 2.7660
J2-J3 103.7780 103.7840 337.8480 337.9060
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 59583.1935460414
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 89.831
HIERARCH ESO ISS PBL12 END 89.855
HIERARCH ESO ISS PBLA12 START 112.8
HIERARCH ESO ISS PBLA12 END 112.8
HIERARCH ESO ISS PBL13 START 128.221
HIERARCH ESO ISS PBL13 END 128.258
HIERARCH ESO ISS PBLA13 START 89.4
HIERARCH ESO ISS PBLA13 END 89.4
HIERARCH ESO ISS PBL14 START 132.073
HIERARCH ESO ISS PBL14 END 132.088
HIERARCH ESO ISS PBLA14 START 42.414
HIERARCH ESO ISS PBLA14 END 42.487
HIERARCH ESO ISS PBL23 START 58.003
HIERARCH ESO ISS PBL23 END 58.013
HIERARCH ESO ISS PBLA23 START 51.5
HIERARCH ESO ISS PBLA23 END 51.5
HIERARCH ESO ISS PBL24 START 132.399
HIERARCH ESO ISS PBL24 END 132.399
HIERARCH ESO ISS PBLA24 START 2.702
HIERARCH ESO ISS PBLA24 END 2.766
HIERARCH ESO ISS PBL34 START 103.778
HIERARCH ESO ISS PBL34 END 103.784
HIERARCH ESO ISS PBLA34 START 337.848
HIERARCH ESO ISS PBLA34 END 337.906
HIERARCH ESO ISS AMBI TAU0 START 0.017789
HIERARCH ESO ISS AMBI TAU0 END 0.017789
HIERARCH ESO ISS AMBI TEMP 15.64
HIERARCH ESO ISS AMBI FWHM START 0.42
HIERARCH ESO ISS AMBI FWHM END 0.42