Exposure
ID
GRAVI.2024-10-21T04:54:20.982_1
Header ID
GRAVI.2024-10-21T04:54:20.982
Date updated
2024-10-21 07:46:35 UTC+0000
Release date
2025-10-21 07:46:34 UTC+0000
UTC Start
2024-10-21 04:54:20.982
UTC End
2024-10-21 04:59:56.982
MJD Start
60604.20440951
MJD End
60604.2082983989
Exposure time (s)
336.0
Validation level
1
Tau 0: Coherence time (s)
0.0120215
Ambient temperature (°C)
13.01
Seeing (arcsec)
0.365
Observation
ID
61077
Category
science
Program ID
114.27JH.001
Program Title
OBTAINING AN INTERFEROMETRIC IMAGE OF THE ACTIVE STAR EPS ERI WITH VLTI AND THE CHARA ARRAY
Program Type
Normal
PI / COI
ROETTENBACHER / KORHONEN / MONNIER
Target
ID
45434
Name
eps_Eri
RA
53.225014
DEC
-9.45817
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 88.6460 89.0770 112.2000 112.4000
A0-J2 122.0640 123.1700 89.5000 89.7000
A0-K0 117.3300 118.5670 66.5020 67.0140
G1-J2 52.9660 53.4530 49.1000 49.8000
G1-K0 84.3080 84.5810 17.6400 18.4630
J2-K0 47.8720 47.8000 342.4190 342.9470
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.27JH.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60604.20440951
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME eps Eri
HIERARCH ESO INS SOBJ NAME eps_Eri
RA 53.225014
DEC -9.45817
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
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 K0
EXPTIME 379.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 112
HIERARCH ESO ISS PBL12 START 88.646
HIERARCH ESO ISS PBL12 END 89.077
HIERARCH ESO ISS PBLA12 START 112.2
HIERARCH ESO ISS PBLA12 END 112.4
HIERARCH ESO ISS PBL13 START 122.064
HIERARCH ESO ISS PBL13 END 123.17
HIERARCH ESO ISS PBLA13 START 89.5
HIERARCH ESO ISS PBLA13 END 89.7
HIERARCH ESO ISS PBL14 START 117.33
HIERARCH ESO ISS PBL14 END 118.567
HIERARCH ESO ISS PBLA14 START 66.502
HIERARCH ESO ISS PBLA14 END 67.014
HIERARCH ESO ISS PBL23 START 52.966
HIERARCH ESO ISS PBL23 END 53.453
HIERARCH ESO ISS PBLA23 START 49.1
HIERARCH ESO ISS PBLA23 END 49.8
HIERARCH ESO ISS PBL24 START 84.308
HIERARCH ESO ISS PBL24 END 84.581
HIERARCH ESO ISS PBLA24 START 17.64
HIERARCH ESO ISS PBLA24 END 18.463
HIERARCH ESO ISS PBL34 START 47.872
HIERARCH ESO ISS PBL34 END 47.8
HIERARCH ESO ISS PBLA34 START 342.419
HIERARCH ESO ISS PBLA34 END 342.947
HIERARCH ESO ISS AMBI TAU0 START 0.013725
HIERARCH ESO ISS AMBI TAU0 END 0.010318
HIERARCH ESO ISS AMBI TEMP 13.01
HIERARCH ESO ISS AMBI FWHM START 0.34
HIERARCH ESO ISS AMBI FWHM END 0.39