Exposure
ID
PIONI.2021-10-29T04:57:36.786_1
Header ID
PIONI.2021-10-29T04:57:36.786
Date updated
2021-10-29 05:06:55 UTC+0000
Release date
2021-10-29 04:57:36 UTC+0000
UTC Start
2021-10-29 04:57:36.786
UTC End
2021-10-29 04:58:02.386
MJD Start
59516.2066757646
MJD End
59516.2069720609
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0048365
Ambient temperature (°C)
12.95
Seeing (arcsec)
0.57
Observation
ID
48674
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
36454
Name
gam Ori
RA
81.281603
DEC
6.34964
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 25.2620 25.2640 137.2000 137.2000
A0-D0 21.5980 21.6560 71.4000 71.5000
A0-C1 20.8520 20.8720 118.8530 118.8060
B2-D0 25.6240 25.6310 7.4000 7.5000
B2-C1 8.5390 8.5410 7.3450 7.4570
D0-C1 17.0850 17.0900 187.4160 187.5280
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 59516.2066757646
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME gam Ori
RA 81.281603
DEC 6.34964
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 25.6
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 25.262
HIERARCH ESO ISS PBL12 END 25.264
HIERARCH ESO ISS PBLA12 START 137.2
HIERARCH ESO ISS PBLA12 END 137.2
HIERARCH ESO ISS PBL13 START 21.598
HIERARCH ESO ISS PBL13 END 21.656
HIERARCH ESO ISS PBLA13 START 71.4
HIERARCH ESO ISS PBLA13 END 71.5
HIERARCH ESO ISS PBL14 START 20.852
HIERARCH ESO ISS PBL14 END 20.872
HIERARCH ESO ISS PBLA14 START 118.853
HIERARCH ESO ISS PBLA14 END 118.806
HIERARCH ESO ISS PBL23 START 25.624
HIERARCH ESO ISS PBL23 END 25.631
HIERARCH ESO ISS PBLA23 START 7.4
HIERARCH ESO ISS PBLA23 END 7.5
HIERARCH ESO ISS PBL24 START 8.539
HIERARCH ESO ISS PBL24 END 8.541
HIERARCH ESO ISS PBLA24 START 7.345
HIERARCH ESO ISS PBLA24 END 7.457
HIERARCH ESO ISS PBL34 START 17.085
HIERARCH ESO ISS PBL34 END 17.09
HIERARCH ESO ISS PBLA34 START 187.416
HIERARCH ESO ISS PBLA34 END 187.528
HIERARCH ESO ISS AMBI TAU0 START 0.004904
HIERARCH ESO ISS AMBI TAU0 END 0.004769
HIERARCH ESO ISS AMBI TEMP 12.95
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.6