Exposure
ID
PIONI.2021-11-05T07:29:54.424_1
Header ID
PIONI.2021-11-05T07:29:54.424
Date updated
2021-11-05 07:35:58 UTC+0000
Release date
2021-11-05 07:29:54 UTC+0000
UTC Start
2021-11-05 07:29:54.424
UTC End
2021-11-05 07:30:20.024
MJD Start
59523.3124354603
MJD End
59523.3127317566
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002789
Ambient temperature (°C)
10.81
Seeing (arcsec)
1.51
Observation
ID
48757
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
36517
Name
bet Eri
RA
76.961475
DEC
-5.08681
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
K0 B2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-B2 122.3180 122.3240 242.5000 242.5000
K0-D0 95.8580 95.8460 253.0000 253.0000
K0-J3 52.5820 52.5600 335.3840 335.4510
B2-D0 33.0800 33.0900 30.5000 30.6000
B2-J3 135.5840 135.6230 39.6730 39.7070
D0-J3 103.0600 103.0880 42.6010 42.6310
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 59523.3124354603
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME bet Eri
RA 76.961475
DEC -5.08681
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 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 122.318
HIERARCH ESO ISS PBL12 END 122.324
HIERARCH ESO ISS PBLA12 START 242.5
HIERARCH ESO ISS PBLA12 END 242.5
HIERARCH ESO ISS PBL13 START 95.858
HIERARCH ESO ISS PBL13 END 95.846
HIERARCH ESO ISS PBLA13 START 253.0
HIERARCH ESO ISS PBLA13 END 253.0
HIERARCH ESO ISS PBL14 START 52.582
HIERARCH ESO ISS PBL14 END 52.56
HIERARCH ESO ISS PBLA14 START 335.384
HIERARCH ESO ISS PBLA14 END 335.451
HIERARCH ESO ISS PBL23 START 33.08
HIERARCH ESO ISS PBL23 END 33.09
HIERARCH ESO ISS PBLA23 START 30.5
HIERARCH ESO ISS PBLA23 END 30.6
HIERARCH ESO ISS PBL24 START 135.584
HIERARCH ESO ISS PBL24 END 135.623
HIERARCH ESO ISS PBLA24 START 39.673
HIERARCH ESO ISS PBLA24 END 39.707
HIERARCH ESO ISS PBL34 START 103.06
HIERARCH ESO ISS PBL34 END 103.088
HIERARCH ESO ISS PBLA34 START 42.601
HIERARCH ESO ISS PBLA34 END 42.631
HIERARCH ESO ISS AMBI TAU0 START 0.003312
HIERARCH ESO ISS AMBI TAU0 END 0.002266
HIERARCH ESO ISS AMBI TEMP 10.81
HIERARCH ESO ISS AMBI FWHM START 1.51
HIERARCH ESO ISS AMBI FWHM END 1.51