Exposure
ID
GRAVI.2024-10-21T04:40:44.947_1
Header ID
GRAVI.2024-10-21T04:40:44.947
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 04:40:44.947
UTC End
2024-10-21 04:46:20.947
MJD Start
60604.19496467
MJD End
60604.1988535589
Exposure time (s)
336.0
Validation level
1
Tau 0: Coherence time (s)
0.0081175
Ambient temperature (°C)
12.93
Seeing (arcsec)
0.545
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 87.5200 88.0700 112.0000 112.1000
A0-J2 119.3570 120.6530 88.9000 89.2000
A0-K0 114.4160 115.7940 65.3000 65.8670
G1-J2 51.8540 52.3740 47.4000 48.2000
G1-K0 83.7400 83.9970 15.7930 16.6510
J2-K0 48.0220 47.9540 341.3120 341.8130
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 60604.19496467
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 87.52
HIERARCH ESO ISS PBL12 END 88.07
HIERARCH ESO ISS PBLA12 START 112.0
HIERARCH ESO ISS PBLA12 END 112.1
HIERARCH ESO ISS PBL13 START 119.357
HIERARCH ESO ISS PBL13 END 120.653
HIERARCH ESO ISS PBLA13 START 88.9
HIERARCH ESO ISS PBLA13 END 89.2
HIERARCH ESO ISS PBL14 START 114.416
HIERARCH ESO ISS PBL14 END 115.794
HIERARCH ESO ISS PBLA14 START 65.3
HIERARCH ESO ISS PBLA14 END 65.867
HIERARCH ESO ISS PBL23 START 51.854
HIERARCH ESO ISS PBL23 END 52.374
HIERARCH ESO ISS PBLA23 START 47.4
HIERARCH ESO ISS PBLA23 END 48.2
HIERARCH ESO ISS PBL24 START 83.74
HIERARCH ESO ISS PBL24 END 83.997
HIERARCH ESO ISS PBLA24 START 15.793
HIERARCH ESO ISS PBLA24 END 16.651
HIERARCH ESO ISS PBL34 START 48.022
HIERARCH ESO ISS PBL34 END 47.954
HIERARCH ESO ISS PBLA34 START 341.312
HIERARCH ESO ISS PBLA34 END 341.813
HIERARCH ESO ISS AMBI TAU0 START 0.006646
HIERARCH ESO ISS AMBI TAU0 END 0.009589
HIERARCH ESO ISS AMBI TEMP 12.93
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.47