Exposure
ID
PIONI.2021-11-10T05:16:41.612_1
Header ID
PIONI.2021-11-10T05:16:41.612
Date updated
2021-11-10 05:21:19 UTC+0000
Release date
2021-11-10 05:16:41 UTC+0000
UTC Start
2021-11-10 05:16:41.612
UTC End
2021-11-10 05:17:07.212
MJD Start
59528.2199260648
MJD End
59528.2202223611
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003119
Ambient temperature (°C)
9.61
Seeing (arcsec)
0.62
Observation
ID
48815
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
36561
Name
10 Tau
RA
54.21558
DEC
0.39725
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 87.7250 87.6720 114.2000 114.2000
A0-J2 128.7340 128.7040 92.5000 92.5000
A0-J3 128.3700 128.4330 49.5140 49.5410
G1-J2 57.2010 57.2240 58.1000 58.1000
G1-J3 120.5440 120.5640 8.3900 8.4590
J2-J3 94.2710 94.2350 340.8150 340.8830
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 59528.2199260648
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 10 Tau
RA 54.21558
DEC 0.39725
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 87.725
HIERARCH ESO ISS PBL12 END 87.672
HIERARCH ESO ISS PBLA12 START 114.2
HIERARCH ESO ISS PBLA12 END 114.2
HIERARCH ESO ISS PBL13 START 128.734
HIERARCH ESO ISS PBL13 END 128.704
HIERARCH ESO ISS PBLA13 START 92.5
HIERARCH ESO ISS PBLA13 END 92.5
HIERARCH ESO ISS PBL14 START 128.37
HIERARCH ESO ISS PBL14 END 128.433
HIERARCH ESO ISS PBLA14 START 49.514
HIERARCH ESO ISS PBLA14 END 49.541
HIERARCH ESO ISS PBL23 START 57.201
HIERARCH ESO ISS PBL23 END 57.224
HIERARCH ESO ISS PBLA23 START 58.1
HIERARCH ESO ISS PBLA23 END 58.1
HIERARCH ESO ISS PBL24 START 120.544
HIERARCH ESO ISS PBL24 END 120.564
HIERARCH ESO ISS PBLA24 START 8.39
HIERARCH ESO ISS PBLA24 END 8.459
HIERARCH ESO ISS PBL34 START 94.271
HIERARCH ESO ISS PBL34 END 94.235
HIERARCH ESO ISS PBLA34 START 340.815
HIERARCH ESO ISS PBLA34 END 340.883
HIERARCH ESO ISS AMBI TAU0 START 0.003119
HIERARCH ESO ISS AMBI TAU0 END 0.003119
HIERARCH ESO ISS AMBI TEMP 9.61
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.62