Exposure
ID
PIONI.2021-11-12T05:15:42.255_1
Header ID
PIONI.2021-11-12T05:15:42.255
Date updated
2021-11-12 05:20:54 UTC+0000
Release date
2021-11-12 05:15:42 UTC+0000
UTC Start
2021-11-12 05:15:42.255
UTC End
2021-11-12 05:16:07.855
MJD Start
59530.2192390575
MJD End
59530.2195353538
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003313
Ambient temperature (°C)
13.56
Seeing (arcsec)
0.65
Observation
ID
48832
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
36500
Name
tau02 Eri
RA
42.758876
DEC
-21.0041
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 87.2140 87.1650 123.3000 123.4000
A0-J2 124.2090 124.1220 99.2000 99.2000
A0-J3 130.6230 130.5810 51.5670 51.6060
G1-J2 57.0820 57.0570 60.6000 60.6000
G1-J3 132.3850 132.3860 12.8400 12.8960
J2-J3 103.0460 103.0390 348.6390 348.7120
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 59530.2192390575
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME tau02 Eri
RA 42.758876
DEC -21.0041
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 87.214
HIERARCH ESO ISS PBL12 END 87.165
HIERARCH ESO ISS PBLA12 START 123.3
HIERARCH ESO ISS PBLA12 END 123.4
HIERARCH ESO ISS PBL13 START 124.209
HIERARCH ESO ISS PBL13 END 124.122
HIERARCH ESO ISS PBLA13 START 99.2
HIERARCH ESO ISS PBLA13 END 99.2
HIERARCH ESO ISS PBL14 START 130.623
HIERARCH ESO ISS PBL14 END 130.581
HIERARCH ESO ISS PBLA14 START 51.567
HIERARCH ESO ISS PBLA14 END 51.606
HIERARCH ESO ISS PBL23 START 57.082
HIERARCH ESO ISS PBL23 END 57.057
HIERARCH ESO ISS PBLA23 START 60.6
HIERARCH ESO ISS PBLA23 END 60.6
HIERARCH ESO ISS PBL24 START 132.385
HIERARCH ESO ISS PBL24 END 132.386
HIERARCH ESO ISS PBLA24 START 12.84
HIERARCH ESO ISS PBLA24 END 12.896
HIERARCH ESO ISS PBL34 START 103.046
HIERARCH ESO ISS PBL34 END 103.039
HIERARCH ESO ISS PBLA34 START 348.639
HIERARCH ESO ISS PBLA34 END 348.712
HIERARCH ESO ISS AMBI TAU0 START 0.003313
HIERARCH ESO ISS AMBI TAU0 END 0.003313
HIERARCH ESO ISS AMBI TEMP 13.56
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.65