Exposure
ID
GRAVI.2024-11-24T08:10:02.673_1
Header ID
GRAVI.2024-11-24T08:10:02.673
Date updated
2024-11-24 08:30:44 UTC+0000
Release date
2025-11-24 08:30:43 UTC+0000
UTC Start
2024-11-24 08:10:02.673
UTC End
2024-11-24 08:15:38.673
MJD Start
60638.34030872
MJD End
60638.3441976089
Exposure time (s)
336.0
Validation level
1
Tau 0: Coherence time (s)
0.004071
Ambient temperature (°C)
13.45
Seeing (arcsec)
0.92
Observation
ID
62005
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
46110
Name
eps_Eri
RA
53.226081
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 43.3580 43.4330 186.7000 187.7000
A0-J2 62.5620 59.7390 113.1000 114.5000
A0-J6 159.2600 158.3380 34.7810 34.5570
B5-J2 65.2700 62.8850 73.5000 73.1000
B5-J6 198.5600 198.0650 28.8750 28.8720
J2-J6 158.8820 159.1990 12.0920 12.8640
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 60638.34030872
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME eps Eri
HIERARCH ESO INS SOBJ NAME eps_Eri
RA 53.226081
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 43.358
HIERARCH ESO ISS PBL12 END 43.433
HIERARCH ESO ISS PBLA12 START 186.7
HIERARCH ESO ISS PBLA12 END 187.7
HIERARCH ESO ISS PBL13 START 62.562
HIERARCH ESO ISS PBL13 END 59.739
HIERARCH ESO ISS PBLA13 START 113.1
HIERARCH ESO ISS PBLA13 END 114.5
HIERARCH ESO ISS PBL14 START 159.26
HIERARCH ESO ISS PBL14 END 158.338
HIERARCH ESO ISS PBLA14 START 34.781
HIERARCH ESO ISS PBLA14 END 34.557
HIERARCH ESO ISS PBL23 START 65.27
HIERARCH ESO ISS PBL23 END 62.885
HIERARCH ESO ISS PBLA23 START 73.5
HIERARCH ESO ISS PBLA23 END 73.1
HIERARCH ESO ISS PBL24 START 198.56
HIERARCH ESO ISS PBL24 END 198.065
HIERARCH ESO ISS PBLA24 START 28.875
HIERARCH ESO ISS PBLA24 END 28.872
HIERARCH ESO ISS PBL34 START 158.882
HIERARCH ESO ISS PBL34 END 159.199
HIERARCH ESO ISS PBLA34 START 12.092
HIERARCH ESO ISS PBLA34 END 12.864
HIERARCH ESO ISS AMBI TAU0 START 0.004071
HIERARCH ESO ISS AMBI TAU0 END 0.004071
HIERARCH ESO ISS AMBI TEMP 13.45
HIERARCH ESO ISS AMBI FWHM START 0.98
HIERARCH ESO ISS AMBI FWHM END 0.86