Exposure
ID
PIONI.2022-01-17T05:09:55.755_1
Header ID
PIONI.2022-01-17T05:09:55.755
Date updated
2022-01-17 05:16:20 UTC+0000
Release date
2023-01-17 05:16:20 UTC+0000
UTC Start
2022-01-17 05:09:55.756
UTC End
2022-01-17 05:10:21.356
MJD Start
59596.2152286549
MJD End
59596.2155249512
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.015394
Ambient temperature (°C)
13.53
Seeing (arcsec)
0.32
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 25.1800 25.1770 148.5000 148.6000
A0-D0 31.3760 31.3620 76.3000 76.3000
A0-C1 22.3140 22.3060 122.0140 122.0920
B2-D0 33.7140 33.7090 30.9000 31.0000
B2-C1 11.2310 11.2290 30.8720 30.9240
D0-C1 22.4830 22.4800 210.9350 210.9870
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 59596.2152286549
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 25.18
HIERARCH ESO ISS PBL12 END 25.177
HIERARCH ESO ISS PBLA12 START 148.5
HIERARCH ESO ISS PBLA12 END 148.6
HIERARCH ESO ISS PBL13 START 31.376
HIERARCH ESO ISS PBL13 END 31.362
HIERARCH ESO ISS PBLA13 START 76.3
HIERARCH ESO ISS PBLA13 END 76.3
HIERARCH ESO ISS PBL14 START 22.314
HIERARCH ESO ISS PBL14 END 22.306
HIERARCH ESO ISS PBLA14 START 122.014
HIERARCH ESO ISS PBLA14 END 122.092
HIERARCH ESO ISS PBL23 START 33.714
HIERARCH ESO ISS PBL23 END 33.709
HIERARCH ESO ISS PBLA23 START 30.9
HIERARCH ESO ISS PBLA23 END 31.0
HIERARCH ESO ISS PBL24 START 11.231
HIERARCH ESO ISS PBL24 END 11.229
HIERARCH ESO ISS PBLA24 START 30.872
HIERARCH ESO ISS PBLA24 END 30.924
HIERARCH ESO ISS PBL34 START 22.483
HIERARCH ESO ISS PBL34 END 22.48
HIERARCH ESO ISS PBLA34 START 210.935
HIERARCH ESO ISS PBLA34 END 210.987
HIERARCH ESO ISS AMBI TAU0 START 0.015394
HIERARCH ESO ISS AMBI TAU0 END 0.015394
HIERARCH ESO ISS AMBI TEMP 13.53
HIERARCH ESO ISS AMBI FWHM START 0.32
HIERARCH ESO ISS AMBI FWHM END 0.32