Exposure
ID
PIONI.2021-05-21T02:01:39.138_1
Header ID
PIONI.2021-05-21T02:01:39.138
Date updated
2021-09-29 14:27:16 UTC+0000
Release date
2022-05-21 02:10:40 UTC+0000
UTC Start
2021-05-21 02:01:39.137
UTC End
2021-05-21 02:02:04.737
MJD Start
59355.084480755
MJD End
59355.0847770513
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003471
Ambient temperature (°C)
7.24
Seeing (arcsec)
0.91
Observation
ID
47420
Category
science
Program ID
106.21GN.001
Program Title
CONSTRAINING THE SIZE AND CONTRAST OF GRANULATION ON AGB STARS
Program Type
Normal
PI / COI
PALADINI/ ABBOTT/ BARON/ JORISSEN/ WITTKOWSKI/ H\XC3\XB6FNER/ MARIGO/ VAN ECK/ CHIAVASSA/ KERVELLA/ MONTARGES/ LE BOUQUIN/ TRABUCCHI/ SANCHEZ/ FREYTAG
Target
ID
35565
Name
RTVir
RA
195.657307
DEC
5.18556
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 22.9020 22.8840 139.4000 139.4000
A0-D0 31.8050 31.8140 73.2000 73.2000
A0-C1 21.8190 21.8050 113.0170 113.0200
B2-D0 30.7700 30.7890 30.3000 30.4000
B2-C1 10.2490 10.2550 30.2830 30.3290
D0-C1 20.5210 20.5340 210.3490 210.3960
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 106.21GN.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 59355.084480755
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME RTVir
RA 195.657307
DEC 5.18556
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 22.902
HIERARCH ESO ISS PBL12 END 22.884
HIERARCH ESO ISS PBLA12 START 139.4
HIERARCH ESO ISS PBLA12 END 139.4
HIERARCH ESO ISS PBL13 START 31.805
HIERARCH ESO ISS PBL13 END 31.814
HIERARCH ESO ISS PBLA13 START 73.2
HIERARCH ESO ISS PBLA13 END 73.2
HIERARCH ESO ISS PBL14 START 21.819
HIERARCH ESO ISS PBL14 END 21.805
HIERARCH ESO ISS PBLA14 START 113.017
HIERARCH ESO ISS PBLA14 END 113.02
HIERARCH ESO ISS PBL23 START 30.77
HIERARCH ESO ISS PBL23 END 30.789
HIERARCH ESO ISS PBLA23 START 30.3
HIERARCH ESO ISS PBLA23 END 30.4
HIERARCH ESO ISS PBL24 START 10.249
HIERARCH ESO ISS PBL24 END 10.255
HIERARCH ESO ISS PBLA24 START 30.283
HIERARCH ESO ISS PBLA24 END 30.329
HIERARCH ESO ISS PBL34 START 20.521
HIERARCH ESO ISS PBL34 END 20.534
HIERARCH ESO ISS PBLA34 START 210.349
HIERARCH ESO ISS PBLA34 END 210.396
HIERARCH ESO ISS AMBI TAU0 START 0.00345
HIERARCH ESO ISS AMBI TAU0 END 0.003492
HIERARCH ESO ISS AMBI TEMP 7.24
HIERARCH ESO ISS AMBI FWHM START 0.89
HIERARCH ESO ISS AMBI FWHM END 0.93