Exposure
ID
GRAVI.2024-11-25T04:35:48.934_1
Header ID
GRAVI.2024-11-25T04:35:48.934
Date updated
2024-11-25 04:50:39 UTC+0000
Release date
2025-11-25 04:50:39 UTC+0000
UTC Start
2024-11-25 04:35:48.934
UTC End
2024-11-25 04:41:24.934
MJD Start
60639.19153859
MJD End
60639.1954274789
Exposure time (s)
336.0
Validation level
1
Tau 0: Coherence time (s)
0.0055995
Ambient temperature (°C)
15.65
Seeing (arcsec)
0.84
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 46.3400 46.1670 154.6000 155.3000
A0-J2 127.1800 126.5130 94.4000 94.6000
A0-J6 167.5430 167.8960 30.1110 30.5690
B5-J2 111.6940 111.4450 73.2000 73.5000
B5-J6 197.5200 197.8860 18.9630 19.5180
J2-J6 160.3920 160.0360 344.5370 345.2610
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 60639.19153859
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 46.34
HIERARCH ESO ISS PBL12 END 46.167
HIERARCH ESO ISS PBLA12 START 154.6
HIERARCH ESO ISS PBLA12 END 155.3
HIERARCH ESO ISS PBL13 START 127.18
HIERARCH ESO ISS PBL13 END 126.513
HIERARCH ESO ISS PBLA13 START 94.4
HIERARCH ESO ISS PBLA13 END 94.6
HIERARCH ESO ISS PBL14 START 167.543
HIERARCH ESO ISS PBL14 END 167.896
HIERARCH ESO ISS PBLA14 START 30.111
HIERARCH ESO ISS PBLA14 END 30.569
HIERARCH ESO ISS PBL23 START 111.694
HIERARCH ESO ISS PBL23 END 111.445
HIERARCH ESO ISS PBLA23 START 73.2
HIERARCH ESO ISS PBLA23 END 73.5
HIERARCH ESO ISS PBL24 START 197.52
HIERARCH ESO ISS PBL24 END 197.886
HIERARCH ESO ISS PBLA24 START 18.963
HIERARCH ESO ISS PBLA24 END 19.518
HIERARCH ESO ISS PBL34 START 160.392
HIERARCH ESO ISS PBL34 END 160.036
HIERARCH ESO ISS PBLA34 START 344.537
HIERARCH ESO ISS PBLA34 END 345.261
HIERARCH ESO ISS AMBI TAU0 START 0.005541
HIERARCH ESO ISS AMBI TAU0 END 0.005658
HIERARCH ESO ISS AMBI TEMP 15.65
HIERARCH ESO ISS AMBI FWHM START 0.79
HIERARCH ESO ISS AMBI FWHM END 0.89