Exposure
ID
PIONI.2021-01-25T08:29:38.436_1
Header ID
PIONI.2021-01-25T08:29:38.436
Date updated
2021-09-29 14:26:14 UTC+0000
Release date
2021-01-25 08:29:38 UTC+0000
UTC Start
2021-01-25 08:29:38.436
UTC End
2021-01-25 08:30:04.036
MJD Start
59239.3539170786
MJD End
59239.3542133749
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003154
Ambient temperature (°C)
12.94
Seeing (arcsec)
0.89
Observation
ID
46437
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
34917
Name
HD90957
RA
157.37039
DEC
-29.66376
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 63.9460 63.8940 284.3000 284.4000
K0-D0 88.9070 88.8270 262.2000 262.3000
K0-J3 56.4800 56.4780 344.7390 344.8180
G2-D0 38.1370 38.1180 223.2000 223.3000
G2-J3 60.9690 60.9330 50.5860 50.6310
D0-J3 98.9130 98.8580 47.7590 47.8030
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 59239.3539170786
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD90957
RA 157.37039
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 K0
HIERARCH ESO ISS CONF STATION2 G2
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 63.946
HIERARCH ESO ISS PBL12 END 63.894
HIERARCH ESO ISS PBLA12 START 284.3
HIERARCH ESO ISS PBLA12 END 284.4
HIERARCH ESO ISS PBL13 START 88.907
HIERARCH ESO ISS PBL13 END 88.827
HIERARCH ESO ISS PBLA13 START 262.2
HIERARCH ESO ISS PBLA13 END 262.3
HIERARCH ESO ISS PBL14 START 56.48
HIERARCH ESO ISS PBL14 END 56.478
HIERARCH ESO ISS PBLA14 START 344.739
HIERARCH ESO ISS PBLA14 END 344.818
HIERARCH ESO ISS PBL23 START 38.137
HIERARCH ESO ISS PBL23 END 38.118
HIERARCH ESO ISS PBLA23 START 223.2
HIERARCH ESO ISS PBLA23 END 223.3
HIERARCH ESO ISS PBL24 START 60.969
HIERARCH ESO ISS PBL24 END 60.933
HIERARCH ESO ISS PBLA24 START 50.586
HIERARCH ESO ISS PBLA24 END 50.631
HIERARCH ESO ISS PBL34 START 98.913
HIERARCH ESO ISS PBL34 END 98.858
HIERARCH ESO ISS PBLA34 START 47.759
HIERARCH ESO ISS PBLA34 END 47.803
HIERARCH ESO ISS AMBI TAU0 START 0.002991
HIERARCH ESO ISS AMBI TAU0 END 0.003317
HIERARCH ESO ISS AMBI TEMP 12.94
HIERARCH ESO ISS AMBI FWHM START 0.95
HIERARCH ESO ISS AMBI FWHM END 0.83