Exposure
ID
PIONI.2021-11-08T06:22:09.549_1
Header ID
PIONI.2021-11-08T06:22:09.549
Date updated
2021-11-08 06:31:14 UTC+0000
Release date
2021-11-08 06:22:09 UTC+0000
UTC Start
2021-11-08 06:22:09.549
UTC End
2021-11-08 06:22:35.150
MJD Start
59526.2653883044
MJD End
59526.2656846007
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.006247
Ambient temperature (°C)
12.74
Seeing (arcsec)
0.57
Observation
ID
48811
Category
calibrator
Program ID
108.227F.001
Program Title
THE FIRST INTERFEROMETRIC IMAGE OF A SUNLIKE STAR: EPS ERIDANI
Program Type
Normal
PI / COI
ROETTENBACHER/ KORHONEN/ FISCHER/ DAVIES
Target
ID
36502
Name
32 Eri A
RA
58.572492
DEC
-2.95473
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 G1 J2 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 83.9630 83.8840 116.8000 116.8000
A0-J2 124.8590 124.7720 93.4000 93.4000
A0-J3 132.0430 132.0630 50.3730 50.3880
G1-J2 58.2270 58.2280 58.6000 58.6000
G1-J3 124.9570 124.9810 12.3580 12.4170
J2-J3 94.5220 94.4950 345.9540 346.0280
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 108.227F.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 59526.2653883044
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 32 Eri A
RA 58.572492
DEC -2.95473
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 J2
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 83.963
HIERARCH ESO ISS PBL12 END 83.884
HIERARCH ESO ISS PBLA12 START 116.8
HIERARCH ESO ISS PBLA12 END 116.8
HIERARCH ESO ISS PBL13 START 124.859
HIERARCH ESO ISS PBL13 END 124.772
HIERARCH ESO ISS PBLA13 START 93.4
HIERARCH ESO ISS PBLA13 END 93.4
HIERARCH ESO ISS PBL14 START 132.043
HIERARCH ESO ISS PBL14 END 132.063
HIERARCH ESO ISS PBLA14 START 50.373
HIERARCH ESO ISS PBLA14 END 50.388
HIERARCH ESO ISS PBL23 START 58.227
HIERARCH ESO ISS PBL23 END 58.228
HIERARCH ESO ISS PBLA23 START 58.6
HIERARCH ESO ISS PBLA23 END 58.6
HIERARCH ESO ISS PBL24 START 124.957
HIERARCH ESO ISS PBL24 END 124.981
HIERARCH ESO ISS PBLA24 START 12.358
HIERARCH ESO ISS PBLA24 END 12.417
HIERARCH ESO ISS PBL34 START 94.522
HIERARCH ESO ISS PBL34 END 94.495
HIERARCH ESO ISS PBLA34 START 345.954
HIERARCH ESO ISS PBLA34 END 346.028
HIERARCH ESO ISS AMBI TAU0 START 0.00627
HIERARCH ESO ISS AMBI TAU0 END 0.006224
HIERARCH ESO ISS AMBI TEMP 12.74
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.57