Exposure
ID
PIONI.2022-01-17T04:58:28.057_1
Header ID
PIONI.2022-01-17T04:58:28.057
Date updated
2022-01-17 05:06:13 UTC+0000
Release date
2023-01-17 05:06:13 UTC+0000
UTC Start
2022-01-17 04:58:28.057
UTC End
2022-01-17 04:58:53.657
MJD Start
59596.2072691759
MJD End
59596.2075654722
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.015611
Ambient temperature (°C)
13.69
Seeing (arcsec)
0.3
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 25.2320 25.2290 147.1000 147.1000
A0-D0 31.6220 31.6110 75.1000 75.2000
A0-C1 22.4410 22.4350 120.5650 120.6400
B2-D0 33.7930 33.7900 29.9000 29.9000
B2-C1 11.2570 11.2560 29.8500 29.9050
D0-C1 22.5360 22.5340 209.9130 209.9680
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 59596.2072691759
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 25.232
HIERARCH ESO ISS PBL12 END 25.229
HIERARCH ESO ISS PBLA12 START 147.1
HIERARCH ESO ISS PBLA12 END 147.1
HIERARCH ESO ISS PBL13 START 31.622
HIERARCH ESO ISS PBL13 END 31.611
HIERARCH ESO ISS PBLA13 START 75.1
HIERARCH ESO ISS PBLA13 END 75.2
HIERARCH ESO ISS PBL14 START 22.441
HIERARCH ESO ISS PBL14 END 22.435
HIERARCH ESO ISS PBLA14 START 120.565
HIERARCH ESO ISS PBLA14 END 120.64
HIERARCH ESO ISS PBL23 START 33.793
HIERARCH ESO ISS PBL23 END 33.79
HIERARCH ESO ISS PBLA23 START 29.9
HIERARCH ESO ISS PBLA23 END 29.9
HIERARCH ESO ISS PBL24 START 11.257
HIERARCH ESO ISS PBL24 END 11.256
HIERARCH ESO ISS PBLA24 START 29.85
HIERARCH ESO ISS PBLA24 END 29.905
HIERARCH ESO ISS PBL34 START 22.536
HIERARCH ESO ISS PBL34 END 22.534
HIERARCH ESO ISS PBLA34 START 209.913
HIERARCH ESO ISS PBLA34 END 209.968
HIERARCH ESO ISS AMBI TAU0 START 0.015611
HIERARCH ESO ISS AMBI TAU0 END 0.015611
HIERARCH ESO ISS AMBI TEMP 13.69
HIERARCH ESO ISS AMBI FWHM START 0.3
HIERARCH ESO ISS AMBI FWHM END 0.3