Exposure
ID
GRAVI.2024-11-22T06:44:31.430_1
Header ID
GRAVI.2024-11-22T06:44:31.430
Date updated
2024-11-22 07:00:46 UTC+0000
Release date
2025-11-22 07:00:46 UTC+0000
UTC Start
2024-11-22 06:44:31.430
UTC End
2024-11-22 06:50:07.430
MJD Start
60636.28091933
MJD End
60636.2848082189
Exposure time (s)
336.0
Validation level
1
Tau 0: Coherence time (s)
0.0092165
Ambient temperature (°C)
13.16
Seeing (arcsec)
0.645
Observation
ID
61953
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
46071
Name
eps_Eri
RA
53.224958
DEC
-9.45818
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 70.0940 68.9190 131.0000 132.2000
A0-J2 100.5890 98.3960 101.0000 101.6000
A0-K0 108.4770 106.6570 75.5220 75.5290
G1-J2 53.1060 52.5330 59.7000 59.6000
G1-K0 89.8550 89.6760 35.4930 35.5910
J2-K0 46.8160 46.8660 7.7360 8.4250
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 60636.28091933
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME eps Eri
HIERARCH ESO INS SOBJ NAME eps_Eri
RA 53.224958
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 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 70.094
HIERARCH ESO ISS PBL12 END 68.919
HIERARCH ESO ISS PBLA12 START 131.0
HIERARCH ESO ISS PBLA12 END 132.2
HIERARCH ESO ISS PBL13 START 100.589
HIERARCH ESO ISS PBL13 END 98.396
HIERARCH ESO ISS PBLA13 START 101.0
HIERARCH ESO ISS PBLA13 END 101.6
HIERARCH ESO ISS PBL14 START 108.477
HIERARCH ESO ISS PBL14 END 106.657
HIERARCH ESO ISS PBLA14 START 75.522
HIERARCH ESO ISS PBLA14 END 75.529
HIERARCH ESO ISS PBL23 START 53.106
HIERARCH ESO ISS PBL23 END 52.533
HIERARCH ESO ISS PBLA23 START 59.7
HIERARCH ESO ISS PBLA23 END 59.6
HIERARCH ESO ISS PBL24 START 89.855
HIERARCH ESO ISS PBL24 END 89.676
HIERARCH ESO ISS PBLA24 START 35.493
HIERARCH ESO ISS PBLA24 END 35.591
HIERARCH ESO ISS PBL34 START 46.816
HIERARCH ESO ISS PBL34 END 46.866
HIERARCH ESO ISS PBLA34 START 7.736
HIERARCH ESO ISS PBLA34 END 8.425
HIERARCH ESO ISS AMBI TAU0 START 0.009653
HIERARCH ESO ISS AMBI TAU0 END 0.00878
HIERARCH ESO ISS AMBI TEMP 13.16
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.63