Exposure
ID
PIONI.2021-11-06T04:31:34.567_1
Header ID
PIONI.2021-11-06T04:31:34.567
Date updated
2021-11-06 04:40:41 UTC+0000
Release date
2021-11-06 04:31:34 UTC+0000
UTC Start
2021-11-06 04:31:34.567
UTC End
2021-11-06 04:32:00.167
MJD Start
59524.1885945243
MJD End
59524.1888908206
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003228
Ambient temperature (°C)
11.12
Seeing (arcsec)
0.6
Observation
ID
48771
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
36528
Name
tau02 Eri
RA
42.759472
DEC
-21.0041
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 68.3470 68.3470 271.6000 271.7000
K0-D0 95.9590 95.9630 251.1000 251.2000
K0-J3 56.4670 56.4630 332.9370 332.9670
G2-D0 39.9320 39.9350 214.3000 214.3000
G2-J3 64.4340 64.4390 41.4210 41.4800
D0-J3 104.1740 104.1820 38.6850 38.7440
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 59524.1885945243
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME tau02 Eri
RA 42.759472
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 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 68.347
HIERARCH ESO ISS PBL12 END 68.347
HIERARCH ESO ISS PBLA12 START 271.6
HIERARCH ESO ISS PBLA12 END 271.7
HIERARCH ESO ISS PBL13 START 95.959
HIERARCH ESO ISS PBL13 END 95.963
HIERARCH ESO ISS PBLA13 START 251.1
HIERARCH ESO ISS PBLA13 END 251.2
HIERARCH ESO ISS PBL14 START 56.467
HIERARCH ESO ISS PBL14 END 56.463
HIERARCH ESO ISS PBLA14 START 332.937
HIERARCH ESO ISS PBLA14 END 332.967
HIERARCH ESO ISS PBL23 START 39.932
HIERARCH ESO ISS PBL23 END 39.935
HIERARCH ESO ISS PBLA23 START 214.3
HIERARCH ESO ISS PBLA23 END 214.3
HIERARCH ESO ISS PBL24 START 64.434
HIERARCH ESO ISS PBL24 END 64.439
HIERARCH ESO ISS PBLA24 START 41.421
HIERARCH ESO ISS PBLA24 END 41.48
HIERARCH ESO ISS PBL34 START 104.174
HIERARCH ESO ISS PBL34 END 104.182
HIERARCH ESO ISS PBLA34 START 38.685
HIERARCH ESO ISS PBLA34 END 38.744
HIERARCH ESO ISS AMBI TAU0 START 0.003228
HIERARCH ESO ISS AMBI TAU0 END 0.003228
HIERARCH ESO ISS AMBI TEMP 11.12
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.6