Exposure
ID
PIONI.2021-11-07T05:40:12.593_1
Header ID
PIONI.2021-11-07T05:40:12.593
Date updated
2021-11-07 05:51:14 UTC+0000
Release date
2021-11-07 05:40:12 UTC+0000
UTC Start
2021-11-07 05:40:12.593
UTC End
2021-11-07 05:40:38.193
MJD Start
59525.2362568602
MJD End
59525.2365531565
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.006396
Ambient temperature (°C)
12.12
Seeing (arcsec)
0.595
Observation
ID
48771
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
36528
Name
tau02 Eri
RA
42.759472
DEC
-21.0041
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 65.3240 65.2750 278.4000 278.4000
K0-D0 92.6140 92.5540 257.1000 257.1000
K0-J3 55.7050 55.6970 341.2800 341.3580
G2-D0 39.6630 39.6550 220.3000 220.3000
G2-J3 63.6820 63.6630 47.2350 47.2730
D0-J3 103.1640 103.1370 44.5590 44.5980
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 59525.2362568602
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME tau02 Eri
RA 42.759472
DEC -21.0041
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 G2
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 65.324
HIERARCH ESO ISS PBL12 END 65.275
HIERARCH ESO ISS PBLA12 START 278.4
HIERARCH ESO ISS PBLA12 END 278.4
HIERARCH ESO ISS PBL13 START 92.614
HIERARCH ESO ISS PBL13 END 92.554
HIERARCH ESO ISS PBLA13 START 257.1
HIERARCH ESO ISS PBLA13 END 257.1
HIERARCH ESO ISS PBL14 START 55.705
HIERARCH ESO ISS PBL14 END 55.697
HIERARCH ESO ISS PBLA14 START 341.28
HIERARCH ESO ISS PBLA14 END 341.358
HIERARCH ESO ISS PBL23 START 39.663
HIERARCH ESO ISS PBL23 END 39.655
HIERARCH ESO ISS PBLA23 START 220.3
HIERARCH ESO ISS PBLA23 END 220.3
HIERARCH ESO ISS PBL24 START 63.682
HIERARCH ESO ISS PBL24 END 63.663
HIERARCH ESO ISS PBLA24 START 47.235
HIERARCH ESO ISS PBLA24 END 47.273
HIERARCH ESO ISS PBL34 START 103.164
HIERARCH ESO ISS PBL34 END 103.137
HIERARCH ESO ISS PBLA34 START 44.559
HIERARCH ESO ISS PBLA34 END 44.598
HIERARCH ESO ISS AMBI TAU0 START 0.006712
HIERARCH ESO ISS AMBI TAU0 END 0.00608
HIERARCH ESO ISS AMBI TEMP 12.12
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.63