Exposure
ID
PIONI.2021-11-04T06:44:42.820_1
Header ID
PIONI.2021-11-04T06:44:42.820
Date updated
2021-11-04 06:50:42 UTC+0000
Release date
2021-11-04 06:44:42 UTC+0000
UTC Start
2021-11-04 06:44:42.820
UTC End
2021-11-04 06:45:08.420
MJD Start
59522.2810511612
MJD End
59522.2813474575
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.007841
Ambient temperature (°C)
11.25
Seeing (arcsec)
0.37
Observation
ID
48738
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
36502
Name
32 Eri A
RA
58.572492
DEC
-2.95473
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
K0 B2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-B2 122.1720 122.1560 242.8000 242.8000
K0-D0 95.0390 95.0050 253.0000 253.0000
K0-J3 50.8320 50.8070 337.8840 337.9590
B2-D0 33.2440 33.2540 32.3000 32.3000
B2-J3 136.4130 136.4440 41.0240 41.0460
D0-J3 103.6750 103.6960 43.8090 43.8290
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 59522.2810511612
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 32 Eri A
RA 58.572492
DEC -2.95473
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 K0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
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 122.172
HIERARCH ESO ISS PBL12 END 122.156
HIERARCH ESO ISS PBLA12 START 242.8
HIERARCH ESO ISS PBLA12 END 242.8
HIERARCH ESO ISS PBL13 START 95.039
HIERARCH ESO ISS PBL13 END 95.005
HIERARCH ESO ISS PBLA13 START 253.0
HIERARCH ESO ISS PBLA13 END 253.0
HIERARCH ESO ISS PBL14 START 50.832
HIERARCH ESO ISS PBL14 END 50.807
HIERARCH ESO ISS PBLA14 START 337.884
HIERARCH ESO ISS PBLA14 END 337.959
HIERARCH ESO ISS PBL23 START 33.244
HIERARCH ESO ISS PBL23 END 33.254
HIERARCH ESO ISS PBLA23 START 32.3
HIERARCH ESO ISS PBLA23 END 32.3
HIERARCH ESO ISS PBL24 START 136.413
HIERARCH ESO ISS PBL24 END 136.444
HIERARCH ESO ISS PBLA24 START 41.024
HIERARCH ESO ISS PBLA24 END 41.046
HIERARCH ESO ISS PBL34 START 103.675
HIERARCH ESO ISS PBL34 END 103.696
HIERARCH ESO ISS PBLA34 START 43.809
HIERARCH ESO ISS PBLA34 END 43.829
HIERARCH ESO ISS AMBI TAU0 START 0.007841
HIERARCH ESO ISS AMBI TAU0 END 0.007841
HIERARCH ESO ISS AMBI TEMP 11.25
HIERARCH ESO ISS AMBI FWHM START 0.37
HIERARCH ESO ISS AMBI FWHM END 0.37