Exposure
ID
PIONI.2022-11-18T02:13:38.839_1
Header ID
PIONI.2022-11-18T02:13:38.839
Date updated
2022-11-18 02:20:48 UTC+0000
Release date
2023-11-18 02:20:48 UTC+0000
UTC Start
2022-11-18 02:13:38.839
UTC End
2022-11-18 02:14:04.439
MJD Start
59901.0928106355
MJD End
59901.0931069318
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003612
Ambient temperature (°C)
17.56
Seeing (arcsec)
1.32
Observation
ID
53168
Category
science
Program ID
110.241D.001
Program Title
INTERFEROMETRIC IMAGING OF TAU CETI, A PLANET-HOSTING SOLAR ANALOG
Program Type
Normal
PI / COI
ROETTENBACHER/ KORHONEN/ MONNIER/ FISCHER
Target
ID
39536
Name
tau Cet
RA
26.006752
DEC
-15.93313
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 25.2580 25.2550 140.1000 140.2000
A0-D0 31.6580 31.6690 69.4000 69.4000
A0-C1 22.6160 22.6170 114.0300 114.0690
B2-D0 33.3740 33.3810 23.7000 23.8000
B2-C1 11.1170 11.1190 23.6990 23.7640
D0-C1 22.2570 22.2610 203.7630 203.8290
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 110.241D.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 59901.0928106355
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME tau Cet
RA 26.006752
DEC -15.93313
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 25.258
HIERARCH ESO ISS PBL12 END 25.255
HIERARCH ESO ISS PBLA12 START 140.1
HIERARCH ESO ISS PBLA12 END 140.2
HIERARCH ESO ISS PBL13 START 31.658
HIERARCH ESO ISS PBL13 END 31.669
HIERARCH ESO ISS PBLA13 START 69.4
HIERARCH ESO ISS PBLA13 END 69.4
HIERARCH ESO ISS PBL14 START 22.616
HIERARCH ESO ISS PBL14 END 22.617
HIERARCH ESO ISS PBLA14 START 114.03
HIERARCH ESO ISS PBLA14 END 114.069
HIERARCH ESO ISS PBL23 START 33.374
HIERARCH ESO ISS PBL23 END 33.381
HIERARCH ESO ISS PBLA23 START 23.7
HIERARCH ESO ISS PBLA23 END 23.8
HIERARCH ESO ISS PBL24 START 11.117
HIERARCH ESO ISS PBL24 END 11.119
HIERARCH ESO ISS PBLA24 START 23.699
HIERARCH ESO ISS PBLA24 END 23.764
HIERARCH ESO ISS PBL34 START 22.257
HIERARCH ESO ISS PBL34 END 22.261
HIERARCH ESO ISS PBLA34 START 203.763
HIERARCH ESO ISS PBLA34 END 203.829
HIERARCH ESO ISS AMBI TAU0 START 0.003612
HIERARCH ESO ISS AMBI TAU0 END 0.003612
HIERARCH ESO ISS AMBI TEMP 17.56
HIERARCH ESO ISS AMBI FWHM START 1.32
HIERARCH ESO ISS AMBI FWHM END 1.32