Exposure
ID
PIONI.2021-10-29T05:33:28.701_1
Header ID
PIONI.2021-10-29T05:33:28.701
Date updated
2021-10-29 05:41:23 UTC+0000
Release date
2021-10-29 05:33:28 UTC+0000
UTC Start
2021-10-29 05:33:28.701
UTC End
2021-10-29 05:33:54.301
MJD Start
59516.2315821857
MJD End
59516.231878482
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0041695
Ambient temperature (°C)
12.63
Seeing (arcsec)
0.535
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 25.2640 25.2610 136.2000 136.2000
A0-D0 24.8550 24.9050 73.0000 73.0000
A0-C1 21.8620 21.8760 116.4350 116.4000
B2-D0 26.2540 26.2670 13.8000 13.9000
B2-C1 8.7470 8.7520 13.7690 13.8710
D0-C1 17.5060 17.5150 193.8450 193.9470
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 59516.2315821857
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 25.264
HIERARCH ESO ISS PBL12 END 25.261
HIERARCH ESO ISS PBLA12 START 136.2
HIERARCH ESO ISS PBLA12 END 136.2
HIERARCH ESO ISS PBL13 START 24.855
HIERARCH ESO ISS PBL13 END 24.905
HIERARCH ESO ISS PBLA13 START 73.0
HIERARCH ESO ISS PBLA13 END 73.0
HIERARCH ESO ISS PBL14 START 21.862
HIERARCH ESO ISS PBL14 END 21.876
HIERARCH ESO ISS PBLA14 START 116.435
HIERARCH ESO ISS PBLA14 END 116.4
HIERARCH ESO ISS PBL23 START 26.254
HIERARCH ESO ISS PBL23 END 26.267
HIERARCH ESO ISS PBLA23 START 13.8
HIERARCH ESO ISS PBLA23 END 13.9
HIERARCH ESO ISS PBL24 START 8.747
HIERARCH ESO ISS PBL24 END 8.752
HIERARCH ESO ISS PBLA24 START 13.769
HIERARCH ESO ISS PBLA24 END 13.871
HIERARCH ESO ISS PBL34 START 17.506
HIERARCH ESO ISS PBL34 END 17.515
HIERARCH ESO ISS PBLA34 START 193.845
HIERARCH ESO ISS PBLA34 END 193.947
HIERARCH ESO ISS AMBI TAU0 START 0.004307
HIERARCH ESO ISS AMBI TAU0 END 0.004032
HIERARCH ESO ISS AMBI TEMP 12.63
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.55