Exposure
ID
GRAVI.2024-11-25T04:22:03.899_1
Header ID
GRAVI.2024-11-25T04:22:03.899
Date updated
2024-11-25 04:35:44 UTC+0000
Release date
2025-11-25 04:35:44 UTC+0000
UTC Start
2024-11-25 04:22:03.899
UTC End
2024-11-25 04:27:39.899
MJD Start
60639.18198957
MJD End
60639.1858784589
Exposure time (s)
336.0
Validation level
1
Tau 0: Coherence time (s)
0.005087
Ambient temperature (°C)
16.18
Seeing (arcsec)
0.8
Observation
ID
62018
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
46121
Name
eps_Eri
RA
53.22608
DEC
-9.45818
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 46.7120 46.5440 153.1000 153.8000
A0-J2 128.3150 127.8530 93.8000 94.0000
A0-J6 166.6830 167.0890 29.0230 29.5290
B5-J2 111.9750 111.8910 72.7000 73.0000
B5-J6 196.7070 197.0790 17.6810 18.2710
J2-J6 161.1980 160.8270 342.9830 343.6800
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 60639.18198957
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME eps Eri
HIERARCH ESO INS SOBJ NAME eps_Eri
RA 53.22608
DEC -9.45818
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 379.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 112
HIERARCH ESO ISS PBL12 START 46.712
HIERARCH ESO ISS PBL12 END 46.544
HIERARCH ESO ISS PBLA12 START 153.1
HIERARCH ESO ISS PBLA12 END 153.8
HIERARCH ESO ISS PBL13 START 128.315
HIERARCH ESO ISS PBL13 END 127.853
HIERARCH ESO ISS PBLA13 START 93.8
HIERARCH ESO ISS PBLA13 END 94.0
HIERARCH ESO ISS PBL14 START 166.683
HIERARCH ESO ISS PBL14 END 167.089
HIERARCH ESO ISS PBLA14 START 29.023
HIERARCH ESO ISS PBLA14 END 29.529
HIERARCH ESO ISS PBL23 START 111.975
HIERARCH ESO ISS PBL23 END 111.891
HIERARCH ESO ISS PBLA23 START 72.7
HIERARCH ESO ISS PBLA23 END 73.0
HIERARCH ESO ISS PBL24 START 196.707
HIERARCH ESO ISS PBL24 END 197.079
HIERARCH ESO ISS PBLA24 START 17.681
HIERARCH ESO ISS PBLA24 END 18.271
HIERARCH ESO ISS PBL34 START 161.198
HIERARCH ESO ISS PBL34 END 160.827
HIERARCH ESO ISS PBLA34 START 342.983
HIERARCH ESO ISS PBLA34 END 343.68
HIERARCH ESO ISS AMBI TAU0 START 0.005135
HIERARCH ESO ISS AMBI TAU0 END 0.005039
HIERARCH ESO ISS AMBI TEMP 16.18
HIERARCH ESO ISS AMBI FWHM START 0.8
HIERARCH ESO ISS AMBI FWHM END 0.8