Exposure
ID
PIONI.2022-01-17T01:10:57.284_1
Header ID
PIONI.2022-01-17T01:10:57.284
Date updated
2022-01-17 01:16:30 UTC+0000
Release date
2023-01-17 01:16:29 UTC+0000
UTC Start
2022-01-17 01:10:57.284
UTC End
2022-01-17 01:11:22.884
MJD Start
59596.0492741195
MJD End
59596.0495704158
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.011292
Ambient temperature (°C)
13.93
Seeing (arcsec)
0.575
Observation
ID
49273
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
36867
Name
VYCMa
RA
110.741831
DEC
-25.7676
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 21.7150 21.7380 130.2000 130.2000
A0-D0 26.1020 26.1310 41.8000 41.9000
A0-C1 17.0950 17.1290 99.6210 99.6670
B2-D0 33.4790 33.4800 1.4000 1.5000
B2-C1 11.1530 11.1530 1.3320 1.4190
D0-C1 22.3260 22.3260 181.3790 181.4670
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 59596.0492741195
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME VYCMa
RA 110.741831
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 25.6
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 21.715
HIERARCH ESO ISS PBL12 END 21.738
HIERARCH ESO ISS PBLA12 START 130.2
HIERARCH ESO ISS PBLA12 END 130.2
HIERARCH ESO ISS PBL13 START 26.102
HIERARCH ESO ISS PBL13 END 26.131
HIERARCH ESO ISS PBLA13 START 41.8
HIERARCH ESO ISS PBLA13 END 41.9
HIERARCH ESO ISS PBL14 START 17.095
HIERARCH ESO ISS PBL14 END 17.129
HIERARCH ESO ISS PBLA14 START 99.621
HIERARCH ESO ISS PBLA14 END 99.667
HIERARCH ESO ISS PBL23 START 33.479
HIERARCH ESO ISS PBL23 END 33.48
HIERARCH ESO ISS PBLA23 START 1.4
HIERARCH ESO ISS PBLA23 END 1.5
HIERARCH ESO ISS PBL24 START 11.153
HIERARCH ESO ISS PBL24 END 11.153
HIERARCH ESO ISS PBLA24 START 1.332
HIERARCH ESO ISS PBLA24 END 1.419
HIERARCH ESO ISS PBL34 START 22.326
HIERARCH ESO ISS PBL34 END 22.326
HIERARCH ESO ISS PBLA34 START 181.379
HIERARCH ESO ISS PBLA34 END 181.467
HIERARCH ESO ISS AMBI TAU0 START 0.011053
HIERARCH ESO ISS AMBI TAU0 END 0.011531
HIERARCH ESO ISS AMBI TEMP 13.93
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.61