Exposure
ID
PIONI.2021-11-08T06:20:53.352_1
Header ID
PIONI.2021-11-08T06:20:53.352
Date updated
2021-11-08 06:31:14 UTC+0000
Release date
2021-11-08 06:20:53 UTC+0000
UTC Start
2021-11-08 06:20:53.352
UTC End
2021-11-08 06:21:18.952
MJD Start
59526.264506394
MJD End
59526.2648026903
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.006499
Ambient temperature (°C)
12.77
Seeing (arcsec)
0.535
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 84.1290 84.0500 116.7000 116.8000
A0-J2 125.0420 124.9560 93.4000 93.4000
A0-J3 131.9990 132.0200 50.3410 50.3560
G1-J2 58.2240 58.2260 58.6000 58.6000
G1-J3 124.9050 124.9300 12.2330 12.2920
J2-J3 94.5810 94.5530 345.7970 345.8710
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 59526.264506394
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 84.129
HIERARCH ESO ISS PBL12 END 84.05
HIERARCH ESO ISS PBLA12 START 116.7
HIERARCH ESO ISS PBLA12 END 116.8
HIERARCH ESO ISS PBL13 START 125.042
HIERARCH ESO ISS PBL13 END 124.956
HIERARCH ESO ISS PBLA13 START 93.4
HIERARCH ESO ISS PBLA13 END 93.4
HIERARCH ESO ISS PBL14 START 131.999
HIERARCH ESO ISS PBL14 END 132.02
HIERARCH ESO ISS PBLA14 START 50.341
HIERARCH ESO ISS PBLA14 END 50.356
HIERARCH ESO ISS PBL23 START 58.224
HIERARCH ESO ISS PBL23 END 58.226
HIERARCH ESO ISS PBLA23 START 58.6
HIERARCH ESO ISS PBLA23 END 58.6
HIERARCH ESO ISS PBL24 START 124.905
HIERARCH ESO ISS PBL24 END 124.93
HIERARCH ESO ISS PBLA24 START 12.233
HIERARCH ESO ISS PBLA24 END 12.292
HIERARCH ESO ISS PBL34 START 94.581
HIERARCH ESO ISS PBL34 END 94.553
HIERARCH ESO ISS PBLA34 START 345.797
HIERARCH ESO ISS PBLA34 END 345.871
HIERARCH ESO ISS AMBI TAU0 START 0.006728
HIERARCH ESO ISS AMBI TAU0 END 0.00627
HIERARCH ESO ISS AMBI TEMP 12.77
HIERARCH ESO ISS AMBI FWHM START 0.5
HIERARCH ESO ISS AMBI FWHM END 0.57