Exposure
ID
PIONI.2021-11-02T03:55:10.497_1
Header ID
PIONI.2021-11-02T03:55:10.497
Date updated
2021-11-02 04:01:49 UTC+0000
Release date
2021-11-02 03:55:10 UTC+0000
UTC Start
2021-11-02 03:55:10.497
UTC End
2021-11-02 03:55:36.097
MJD Start
59520.1633159397
MJD End
59520.163612236
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003138
Ambient temperature (°C)
11.41
Seeing (arcsec)
0.9
Observation
ID
48708
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
36479
Name
bet Eri
RA
76.960917
DEC
-5.08681
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 24.2600 24.2730 136.8000 136.8000
A0-D0 20.9290 20.9820 56.2000 56.3000
A0-C1 18.6230 18.6530 115.1830 115.1520
B2-D0 29.3480 29.3490 1.6000 1.7000
B2-C1 9.7790 9.7790 1.5200 1.6200
D0-C1 19.5690 19.5700 181.5750 181.6750
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 59520.1633159397
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME bet Eri
RA 76.960917
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 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 25.6
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 24.26
HIERARCH ESO ISS PBL12 END 24.273
HIERARCH ESO ISS PBLA12 START 136.8
HIERARCH ESO ISS PBLA12 END 136.8
HIERARCH ESO ISS PBL13 START 20.929
HIERARCH ESO ISS PBL13 END 20.982
HIERARCH ESO ISS PBLA13 START 56.2
HIERARCH ESO ISS PBLA13 END 56.3
HIERARCH ESO ISS PBL14 START 18.623
HIERARCH ESO ISS PBL14 END 18.653
HIERARCH ESO ISS PBLA14 START 115.183
HIERARCH ESO ISS PBLA14 END 115.152
HIERARCH ESO ISS PBL23 START 29.348
HIERARCH ESO ISS PBL23 END 29.349
HIERARCH ESO ISS PBLA23 START 1.6
HIERARCH ESO ISS PBLA23 END 1.7
HIERARCH ESO ISS PBL24 START 9.779
HIERARCH ESO ISS PBL24 END 9.779
HIERARCH ESO ISS PBLA24 START 1.52
HIERARCH ESO ISS PBLA24 END 1.62
HIERARCH ESO ISS PBL34 START 19.569
HIERARCH ESO ISS PBL34 END 19.57
HIERARCH ESO ISS PBLA34 START 181.575
HIERARCH ESO ISS PBLA34 END 181.675
HIERARCH ESO ISS AMBI TAU0 START 0.003138
HIERARCH ESO ISS AMBI TAU0 END 0.003138
HIERARCH ESO ISS AMBI TEMP 11.41
HIERARCH ESO ISS AMBI FWHM START 0.9
HIERARCH ESO ISS AMBI FWHM END 0.9