Exposure
ID
PIONI.2021-10-29T03:16:38.816_1
Header ID
PIONI.2021-10-29T03:16:38.816
Date updated
2021-10-29 03:25:46 UTC+0000
Release date
2021-10-29 03:16:38 UTC+0000
UTC Start
2021-10-29 03:16:38.816
UTC End
2021-10-29 03:17:04.416
MJD Start
59516.1365603739
MJD End
59516.1368566702
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004144
Ambient temperature (°C)
13.14
Seeing (arcsec)
0.905
Observation
ID
48670
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
36450
Name
10 Tau
RA
54.215025
DEC
0.39726
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 25.1510 25.1560 136.6000 136.6000
A0-D0 23.1060 23.1590 66.3000 66.4000
A0-C1 20.6700 20.6920 116.1260 116.0960
B2-D0 27.8360 27.8430 8.0000 8.1000
B2-C1 9.2750 9.2770 7.9880 8.0910
D0-C1 18.5610 18.5660 188.0550 188.1570
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 59516.1365603739
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 10 Tau
RA 54.215025
DEC 0.39726
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 25.151
HIERARCH ESO ISS PBL12 END 25.156
HIERARCH ESO ISS PBLA12 START 136.6
HIERARCH ESO ISS PBLA12 END 136.6
HIERARCH ESO ISS PBL13 START 23.106
HIERARCH ESO ISS PBL13 END 23.159
HIERARCH ESO ISS PBLA13 START 66.3
HIERARCH ESO ISS PBLA13 END 66.4
HIERARCH ESO ISS PBL14 START 20.67
HIERARCH ESO ISS PBL14 END 20.692
HIERARCH ESO ISS PBLA14 START 116.126
HIERARCH ESO ISS PBLA14 END 116.096
HIERARCH ESO ISS PBL23 START 27.836
HIERARCH ESO ISS PBL23 END 27.843
HIERARCH ESO ISS PBLA23 START 8.0
HIERARCH ESO ISS PBLA23 END 8.1
HIERARCH ESO ISS PBL24 START 9.275
HIERARCH ESO ISS PBL24 END 9.277
HIERARCH ESO ISS PBLA24 START 7.988
HIERARCH ESO ISS PBLA24 END 8.091
HIERARCH ESO ISS PBL34 START 18.561
HIERARCH ESO ISS PBL34 END 18.566
HIERARCH ESO ISS PBLA34 START 188.055
HIERARCH ESO ISS PBLA34 END 188.157
HIERARCH ESO ISS AMBI TAU0 START 0.00397
HIERARCH ESO ISS AMBI TAU0 END 0.004318
HIERARCH ESO ISS AMBI TEMP 13.14
HIERARCH ESO ISS AMBI FWHM START 0.92
HIERARCH ESO ISS AMBI FWHM END 0.89