Exposure
ID
PIONI.2021-11-13T07:12:11.612_1
Header ID
PIONI.2021-11-13T07:12:11.612
Date updated
2021-11-13 07:16:07 UTC+0000
Release date
2021-11-13 07:12:11 UTC+0000
UTC Start
2021-11-13 07:12:11.612
UTC End
2021-11-13 07:12:37.212
MJD Start
59531.3001344027
MJD End
59531.300430699
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.007526
Ambient temperature (°C)
13.27
Seeing (arcsec)
0.42
Observation
ID
48834
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
36572
Name
bet Eri
RA
76.961474
DEC
-5.08681
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 84.9810 84.9080 117.3000 117.3000
A0-J2 125.4480 125.3670 93.9000 93.9000
A0-J3 132.1530 132.1700 50.1530 50.1720
G1-J2 58.2290 58.2290 58.5000 58.5000
G1-J3 126.3590 126.3800 11.8490 11.9080
J2-J3 96.2020 96.1760 345.7380 345.8110
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 59531.3001344027
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME bet Eri
RA 76.961474
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 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 84.981
HIERARCH ESO ISS PBL12 END 84.908
HIERARCH ESO ISS PBLA12 START 117.3
HIERARCH ESO ISS PBLA12 END 117.3
HIERARCH ESO ISS PBL13 START 125.448
HIERARCH ESO ISS PBL13 END 125.367
HIERARCH ESO ISS PBLA13 START 93.9
HIERARCH ESO ISS PBLA13 END 93.9
HIERARCH ESO ISS PBL14 START 132.153
HIERARCH ESO ISS PBL14 END 132.17
HIERARCH ESO ISS PBLA14 START 50.153
HIERARCH ESO ISS PBLA14 END 50.172
HIERARCH ESO ISS PBL23 START 58.229
HIERARCH ESO ISS PBL23 END 58.229
HIERARCH ESO ISS PBLA23 START 58.5
HIERARCH ESO ISS PBLA23 END 58.5
HIERARCH ESO ISS PBL24 START 126.359
HIERARCH ESO ISS PBL24 END 126.38
HIERARCH ESO ISS PBLA24 START 11.849
HIERARCH ESO ISS PBLA24 END 11.908
HIERARCH ESO ISS PBL34 START 96.202
HIERARCH ESO ISS PBL34 END 96.176
HIERARCH ESO ISS PBLA34 START 345.738
HIERARCH ESO ISS PBLA34 END 345.811
HIERARCH ESO ISS AMBI TAU0 START 0.007526
HIERARCH ESO ISS AMBI TAU0 END 0.007526
HIERARCH ESO ISS AMBI TEMP 13.27
HIERARCH ESO ISS AMBI FWHM START 0.42
HIERARCH ESO ISS AMBI FWHM END 0.42