Exposure
ID
PIONI.2022-11-18T01:26:24.219_1
Header ID
PIONI.2022-11-18T01:26:24.219
Date updated
2022-11-18 01:30:56 UTC+0000
Release date
2023-11-18 01:30:56 UTC+0000
UTC Start
2022-11-18 01:26:24.218
UTC End
2022-11-18 01:26:49.818
MJD Start
59901.0600025267
MJD End
59901.060298823
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003476
Ambient temperature (°C)
17.02
Seeing (arcsec)
1.22
Observation
ID
53162
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
39530
Name
tau Cet
RA
26.006753
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 25.2280 25.2310 137.0000 137.0000
A0-D0 30.2720 30.2950 65.0000 65.1000
A0-C1 22.1270 22.1380 111.3170 111.3470
B2-D0 32.8530 32.8590 18.1000 18.2000
B2-C1 10.9440 10.9460 18.1030 18.1790
D0-C1 21.9090 21.9130 198.1670 198.2440
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 59901.0600025267
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME tau Cet
RA 26.006753
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 25.228
HIERARCH ESO ISS PBL12 END 25.231
HIERARCH ESO ISS PBLA12 START 137.0
HIERARCH ESO ISS PBLA12 END 137.0
HIERARCH ESO ISS PBL13 START 30.272
HIERARCH ESO ISS PBL13 END 30.295
HIERARCH ESO ISS PBLA13 START 65.0
HIERARCH ESO ISS PBLA13 END 65.1
HIERARCH ESO ISS PBL14 START 22.127
HIERARCH ESO ISS PBL14 END 22.138
HIERARCH ESO ISS PBLA14 START 111.317
HIERARCH ESO ISS PBLA14 END 111.347
HIERARCH ESO ISS PBL23 START 32.853
HIERARCH ESO ISS PBL23 END 32.859
HIERARCH ESO ISS PBLA23 START 18.1
HIERARCH ESO ISS PBLA23 END 18.2
HIERARCH ESO ISS PBL24 START 10.944
HIERARCH ESO ISS PBL24 END 10.946
HIERARCH ESO ISS PBLA24 START 18.103
HIERARCH ESO ISS PBLA24 END 18.179
HIERARCH ESO ISS PBL34 START 21.909
HIERARCH ESO ISS PBL34 END 21.913
HIERARCH ESO ISS PBLA34 START 198.167
HIERARCH ESO ISS PBLA34 END 198.244
HIERARCH ESO ISS AMBI TAU0 START 0.003476
HIERARCH ESO ISS AMBI TAU0 END 0.003476
HIERARCH ESO ISS AMBI TEMP 17.02
HIERARCH ESO ISS AMBI FWHM START 1.22
HIERARCH ESO ISS AMBI FWHM END 1.22