Exposure
ID
PIONI.2021-11-10T05:33:43.938_1
Header ID
PIONI.2021-11-10T05:33:43.938
Date updated
2021-11-10 05:46:37 UTC+0000
Release date
2021-11-10 05:33:43 UTC+0000
UTC Start
2021-11-10 05:33:43.938
UTC End
2021-11-10 05:34:09.538
MJD Start
59528.2317585368
MJD End
59528.2320548331
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003085
Ambient temperature (°C)
9.5
Seeing (arcsec)
0.64
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 88.2660 88.2180 114.9000 114.9000
A0-J2 128.7800 128.7510 92.8000 92.8000
A0-J3 129.4910 129.5460 48.9050 48.9340
G1-J2 57.5020 57.5220 57.6000 57.6000
G1-J3 123.5080 123.5260 8.1510 8.2160
J2-J3 96.5770 96.5440 341.2520 341.3170
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 59528.2317585368
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 88.266
HIERARCH ESO ISS PBL12 END 88.218
HIERARCH ESO ISS PBLA12 START 114.9
HIERARCH ESO ISS PBLA12 END 114.9
HIERARCH ESO ISS PBL13 START 128.78
HIERARCH ESO ISS PBL13 END 128.751
HIERARCH ESO ISS PBLA13 START 92.8
HIERARCH ESO ISS PBLA13 END 92.8
HIERARCH ESO ISS PBL14 START 129.491
HIERARCH ESO ISS PBL14 END 129.546
HIERARCH ESO ISS PBLA14 START 48.905
HIERARCH ESO ISS PBLA14 END 48.934
HIERARCH ESO ISS PBL23 START 57.502
HIERARCH ESO ISS PBL23 END 57.522
HIERARCH ESO ISS PBLA23 START 57.6
HIERARCH ESO ISS PBLA23 END 57.6
HIERARCH ESO ISS PBL24 START 123.508
HIERARCH ESO ISS PBL24 END 123.526
HIERARCH ESO ISS PBLA24 START 8.151
HIERARCH ESO ISS PBLA24 END 8.216
HIERARCH ESO ISS PBL34 START 96.577
HIERARCH ESO ISS PBL34 END 96.544
HIERARCH ESO ISS PBLA34 START 341.252
HIERARCH ESO ISS PBLA34 END 341.317
HIERARCH ESO ISS AMBI TAU0 START 0.003085
HIERARCH ESO ISS AMBI TAU0 END 0.003085
HIERARCH ESO ISS AMBI TEMP 9.5
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.64