Exposure
ID
PIONI.2022-01-17T01:32:37.757_1
Header ID
PIONI.2022-01-17T01:32:37.757
Date updated
2022-01-17 01:40:48 UTC+0000
Release date
2023-01-17 01:40:48 UTC+0000
UTC Start
2022-01-17 01:32:37.757
UTC End
2022-01-17 01:33:03.357
MJD Start
59596.0643258872
MJD End
59596.0646221835
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.011781
Ambient temperature (°C)
13.93
Seeing (arcsec)
0.49
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 22.5120 22.5320 130.8000 130.8000
A0-D0 27.1570 27.1850 46.5000 46.6000
A0-C1 18.2770 18.3070 101.2820 101.3270
B2-D0 33.5030 33.5040 4.5000 4.6000
B2-C1 11.1610 11.1610 4.4950 4.5790
D0-C1 22.3420 22.3430 184.5460 184.6300
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 59596.0643258872
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 22.512
HIERARCH ESO ISS PBL12 END 22.532
HIERARCH ESO ISS PBLA12 START 130.8
HIERARCH ESO ISS PBLA12 END 130.8
HIERARCH ESO ISS PBL13 START 27.157
HIERARCH ESO ISS PBL13 END 27.185
HIERARCH ESO ISS PBLA13 START 46.5
HIERARCH ESO ISS PBLA13 END 46.6
HIERARCH ESO ISS PBL14 START 18.277
HIERARCH ESO ISS PBL14 END 18.307
HIERARCH ESO ISS PBLA14 START 101.282
HIERARCH ESO ISS PBLA14 END 101.327
HIERARCH ESO ISS PBL23 START 33.503
HIERARCH ESO ISS PBL23 END 33.504
HIERARCH ESO ISS PBLA23 START 4.5
HIERARCH ESO ISS PBLA23 END 4.6
HIERARCH ESO ISS PBL24 START 11.161
HIERARCH ESO ISS PBL24 END 11.161
HIERARCH ESO ISS PBLA24 START 4.495
HIERARCH ESO ISS PBLA24 END 4.579
HIERARCH ESO ISS PBL34 START 22.342
HIERARCH ESO ISS PBL34 END 22.343
HIERARCH ESO ISS PBLA34 START 184.546
HIERARCH ESO ISS PBLA34 END 184.63
HIERARCH ESO ISS AMBI TAU0 START 0.011781
HIERARCH ESO ISS AMBI TAU0 END 0.011781
HIERARCH ESO ISS AMBI TEMP 13.93
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.49