Exposure
ID
PIONI.2021-11-05T07:27:59.883_1
Header ID
PIONI.2021-11-05T07:27:59.883
Date updated
2021-11-05 07:35:58 UTC+0000
Release date
2021-11-05 07:27:59 UTC+0000
UTC Start
2021-11-05 07:27:59.883
UTC End
2021-11-05 07:28:25.483
MJD Start
59523.3111097626
MJD End
59523.3114060589
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003312
Ambient temperature (°C)
10.87
Seeing (arcsec)
0.89
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 122.2940 122.3020 242.4000 242.4000
K0-D0 95.8930 95.8830 252.9000 253.0000
K0-J3 52.6540 52.6320 335.1720 335.2370
B2-D0 33.0480 33.0580 30.4000 30.4000
B2-J3 135.4570 135.4960 39.5670 39.6000
D0-J3 102.9680 102.9960 42.5040 42.5340
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 59523.3111097626
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 122.294
HIERARCH ESO ISS PBL12 END 122.302
HIERARCH ESO ISS PBLA12 START 242.4
HIERARCH ESO ISS PBLA12 END 242.4
HIERARCH ESO ISS PBL13 START 95.893
HIERARCH ESO ISS PBL13 END 95.883
HIERARCH ESO ISS PBLA13 START 252.9
HIERARCH ESO ISS PBLA13 END 253.0
HIERARCH ESO ISS PBL14 START 52.654
HIERARCH ESO ISS PBL14 END 52.632
HIERARCH ESO ISS PBLA14 START 335.172
HIERARCH ESO ISS PBLA14 END 335.237
HIERARCH ESO ISS PBL23 START 33.048
HIERARCH ESO ISS PBL23 END 33.058
HIERARCH ESO ISS PBLA23 START 30.4
HIERARCH ESO ISS PBLA23 END 30.4
HIERARCH ESO ISS PBL24 START 135.457
HIERARCH ESO ISS PBL24 END 135.496
HIERARCH ESO ISS PBLA24 START 39.567
HIERARCH ESO ISS PBLA24 END 39.6
HIERARCH ESO ISS PBL34 START 102.968
HIERARCH ESO ISS PBL34 END 102.996
HIERARCH ESO ISS PBLA34 START 42.504
HIERARCH ESO ISS PBLA34 END 42.534
HIERARCH ESO ISS AMBI TAU0 START 0.003312
HIERARCH ESO ISS AMBI TAU0 END 0.003312
HIERARCH ESO ISS AMBI TEMP 10.87
HIERARCH ESO ISS AMBI FWHM START 0.89
HIERARCH ESO ISS AMBI FWHM END 0.89