Exposure
ID
PIONI.2021-11-12T07:27:27.735_1
Header ID
PIONI.2021-11-12T07:27:27.735
Date updated
2021-11-12 07:31:08 UTC+0000
Release date
2021-11-12 07:27:27 UTC+0000
UTC Start
2021-11-12 07:27:27.735
UTC End
2021-11-12 07:27:53.335
MJD Start
59530.3107376737
MJD End
59530.31103397
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0029975
Ambient temperature (°C)
13.05
Seeing (arcsec)
0.565
Observation
ID
48835
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
36573
Name
gam Ori
RA
81.282163
DEC
6.34964
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 82.9220 82.8340 112.9000 112.9000
A0-J2 125.9700 125.8940 91.2000 91.2000
A0-J3 129.5000 129.5560 51.2600 51.2630
G1-J2 57.7570 57.7730 59.1000 59.1000
G1-J3 115.9510 115.9870 12.2560 12.3200
J2-J3 87.2790 87.2370 343.3960 343.4720
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 59530.3107376737
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME gam Ori
RA 81.282163
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 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 82.922
HIERARCH ESO ISS PBL12 END 82.834
HIERARCH ESO ISS PBLA12 START 112.9
HIERARCH ESO ISS PBLA12 END 112.9
HIERARCH ESO ISS PBL13 START 125.97
HIERARCH ESO ISS PBL13 END 125.894
HIERARCH ESO ISS PBLA13 START 91.2
HIERARCH ESO ISS PBLA13 END 91.2
HIERARCH ESO ISS PBL14 START 129.5
HIERARCH ESO ISS PBL14 END 129.556
HIERARCH ESO ISS PBLA14 START 51.26
HIERARCH ESO ISS PBLA14 END 51.263
HIERARCH ESO ISS PBL23 START 57.757
HIERARCH ESO ISS PBL23 END 57.773
HIERARCH ESO ISS PBLA23 START 59.1
HIERARCH ESO ISS PBLA23 END 59.1
HIERARCH ESO ISS PBL24 START 115.951
HIERARCH ESO ISS PBL24 END 115.987
HIERARCH ESO ISS PBLA24 START 12.256
HIERARCH ESO ISS PBLA24 END 12.32
HIERARCH ESO ISS PBL34 START 87.279
HIERARCH ESO ISS PBL34 END 87.237
HIERARCH ESO ISS PBLA34 START 343.396
HIERARCH ESO ISS PBLA34 END 343.472
HIERARCH ESO ISS AMBI TAU0 START 0.00304
HIERARCH ESO ISS AMBI TAU0 END 0.002955
HIERARCH ESO ISS AMBI TEMP 13.05
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.56