Exposure
ID
PIONI.2021-01-26T08:30:53.002_1
Header ID
PIONI.2021-01-26T08:30:53.002
Date updated
2021-09-29 14:26:14 UTC+0000
Release date
2021-01-26 08:30:53 UTC+0000
UTC Start
2021-01-26 08:30:53.002
UTC End
2021-01-26 08:31:18.602
MJD Start
59240.3547801115
MJD End
59240.3550764078
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0052435
Ambient temperature (°C)
12.18
Seeing (arcsec)
0.77
Observation
ID
46548
Category
calibrator
Program ID
106.21GN.002
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
34970
Name
HD90957
RA
157.36975
DEC
-29.66376
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 25.0900 25.0870 155.9000 155.9000
A0-D0 29.4050 29.3760 82.8000 82.9000
A0-J3 123.7360 123.6460 55.9180 55.9650
B2-D0 32.6110 32.5980 35.4000 35.5000
B2-J3 130.4300 130.3590 44.9960 45.0390
D0-J3 98.4200 98.3610 48.1460 48.1900
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 106.21GN.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 59240.3547801115
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD90957
RA 157.36975
DEC -29.66376
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 J3
EXPTIME 25.6
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 25.09
HIERARCH ESO ISS PBL12 END 25.087
HIERARCH ESO ISS PBLA12 START 155.9
HIERARCH ESO ISS PBLA12 END 155.9
HIERARCH ESO ISS PBL13 START 29.405
HIERARCH ESO ISS PBL13 END 29.376
HIERARCH ESO ISS PBLA13 START 82.8
HIERARCH ESO ISS PBLA13 END 82.9
HIERARCH ESO ISS PBL14 START 123.736
HIERARCH ESO ISS PBL14 END 123.646
HIERARCH ESO ISS PBLA14 START 55.918
HIERARCH ESO ISS PBLA14 END 55.965
HIERARCH ESO ISS PBL23 START 32.611
HIERARCH ESO ISS PBL23 END 32.598
HIERARCH ESO ISS PBLA23 START 35.4
HIERARCH ESO ISS PBLA23 END 35.5
HIERARCH ESO ISS PBL24 START 130.43
HIERARCH ESO ISS PBL24 END 130.359
HIERARCH ESO ISS PBLA24 START 44.996
HIERARCH ESO ISS PBLA24 END 45.039
HIERARCH ESO ISS PBL34 START 98.42
HIERARCH ESO ISS PBL34 END 98.361
HIERARCH ESO ISS PBLA34 START 48.146
HIERARCH ESO ISS PBLA34 END 48.19
HIERARCH ESO ISS AMBI TAU0 START 0.005669
HIERARCH ESO ISS AMBI TAU0 END 0.004818
HIERARCH ESO ISS AMBI TEMP 12.18
HIERARCH ESO ISS AMBI FWHM START 0.73
HIERARCH ESO ISS AMBI FWHM END 0.81