Exposure
ID
PIONI.2022-01-06T08:41:59.593_1
Header ID
PIONI.2022-01-06T08:41:59.593
Date updated
2022-01-06 09:01:50 UTC+0000
Release date
2023-01-06 09:01:49 UTC+0000
UTC Start
2022-01-06 08:41:59.593
UTC End
2022-01-06 08:42:25.193
MJD Start
59585.3624952887
MJD End
59585.362791585
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.007691
Ambient temperature (°C)
12.32
Seeing (arcsec)
0.815
Observation
ID
49182
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 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 73.4960 73.4400 153.2000 153.4000
A0-D0 20.9370 20.8800 93.3000 93.4000
A0-J3 99.9220 99.7450 59.4180 59.4240
G1-D0 65.5720 65.5600 349.3000 349.4000
G1-J3 127.9480 127.9140 24.4440 24.4770
D0-J3 83.3600 83.2440 51.3700 51.3720
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 59585.3624952887
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 D0
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 73.496
HIERARCH ESO ISS PBL12 END 73.44
HIERARCH ESO ISS PBLA12 START 153.2
HIERARCH ESO ISS PBLA12 END 153.4
HIERARCH ESO ISS PBL13 START 20.937
HIERARCH ESO ISS PBL13 END 20.88
HIERARCH ESO ISS PBLA13 START 93.3
HIERARCH ESO ISS PBLA13 END 93.4
HIERARCH ESO ISS PBL14 START 99.922
HIERARCH ESO ISS PBL14 END 99.745
HIERARCH ESO ISS PBLA14 START 59.418
HIERARCH ESO ISS PBLA14 END 59.424
HIERARCH ESO ISS PBL23 START 65.572
HIERARCH ESO ISS PBL23 END 65.56
HIERARCH ESO ISS PBLA23 START 349.3
HIERARCH ESO ISS PBLA23 END 349.4
HIERARCH ESO ISS PBL24 START 127.948
HIERARCH ESO ISS PBL24 END 127.914
HIERARCH ESO ISS PBLA24 START 24.444
HIERARCH ESO ISS PBLA24 END 24.477
HIERARCH ESO ISS PBL34 START 83.36
HIERARCH ESO ISS PBL34 END 83.244
HIERARCH ESO ISS PBLA34 START 51.37
HIERARCH ESO ISS PBLA34 END 51.372
HIERARCH ESO ISS AMBI TAU0 START 0.008999
HIERARCH ESO ISS AMBI TAU0 END 0.006383
HIERARCH ESO ISS AMBI TEMP 12.32
HIERARCH ESO ISS AMBI FWHM START 0.74
HIERARCH ESO ISS AMBI FWHM END 0.89