Exposure
ID
GRAVI.2024-12-02T03:21:25.986_1
Header ID
GRAVI.2024-12-02T03:21:25.986
Date updated
2024-12-02 03:35:41 UTC+0000
Release date
2025-12-02 03:35:41 UTC+0000
UTC Start
2024-12-02 03:21:25.986
UTC End
2024-12-02 03:27:01.986
MJD Start
60646.1398841
MJD End
60646.1437729889
Exposure time (s)
336.0
Validation level
1
Tau 0: Coherence time (s)
0.0041365
Ambient temperature (°C)
15.3
Seeing (arcsec)
0.895
Observation
ID
62180
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
46261
Name
eps_Eri
RA
53.224941
DEC
-9.45818
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B2 J2 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 24.8540 24.7700 140.9000 141.4000
A0-J2 129.2020 129.2360 92.4000 92.6000
A0-C1 22.5460 22.4930 114.7950 115.1290
B2-J2 114.2680 114.4340 83.0000 83.3000
B2-C1 10.9390 10.9720 25.9840 26.6100
J2-C1 108.7000 108.7920 267.8410 268.1140
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 60646.1398841
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME eps Eri
HIERARCH ESO INS SOBJ NAME eps_Eri
RA 53.224941
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 B2
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 379.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 112
HIERARCH ESO ISS PBL12 START 24.854
HIERARCH ESO ISS PBL12 END 24.77
HIERARCH ESO ISS PBLA12 START 140.9
HIERARCH ESO ISS PBLA12 END 141.4
HIERARCH ESO ISS PBL13 START 129.202
HIERARCH ESO ISS PBL13 END 129.236
HIERARCH ESO ISS PBLA13 START 92.4
HIERARCH ESO ISS PBLA13 END 92.6
HIERARCH ESO ISS PBL14 START 22.546
HIERARCH ESO ISS PBL14 END 22.493
HIERARCH ESO ISS PBLA14 START 114.795
HIERARCH ESO ISS PBLA14 END 115.129
HIERARCH ESO ISS PBL23 START 114.268
HIERARCH ESO ISS PBL23 END 114.434
HIERARCH ESO ISS PBLA23 START 83.0
HIERARCH ESO ISS PBLA23 END 83.3
HIERARCH ESO ISS PBL24 START 10.939
HIERARCH ESO ISS PBL24 END 10.972
HIERARCH ESO ISS PBLA24 START 25.984
HIERARCH ESO ISS PBLA24 END 26.61
HIERARCH ESO ISS PBL34 START 108.7
HIERARCH ESO ISS PBL34 END 108.792
HIERARCH ESO ISS PBLA34 START 267.841
HIERARCH ESO ISS PBLA34 END 268.114
HIERARCH ESO ISS AMBI TAU0 START 0.004484
HIERARCH ESO ISS AMBI TAU0 END 0.003789
HIERARCH ESO ISS AMBI TEMP 15.3
HIERARCH ESO ISS AMBI FWHM START 0.91
HIERARCH ESO ISS AMBI FWHM END 0.88