Exposure
ID
GRAVI.2024-11-24T04:48:32.162_1
Header ID
GRAVI.2024-11-24T04:48:32.162
Date updated
2024-11-24 05:05:34 UTC+0000
Release date
2025-11-24 05:05:34 UTC+0000
UTC Start
2024-11-24 04:48:32.162
UTC End
2024-11-24 04:54:08.162
MJD Start
60638.20037224
MJD End
60638.2042611289
Exposure time (s)
336.0
Validation level
1
Tau 0: Coherence time (s)
0.008488
Ambient temperature (°C)
15.36
Seeing (arcsec)
0.57
Observation
ID
61994
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
46104
Name
eps_Eri
RA
53.226082
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 46.0970 45.9230 155.6000 156.4000
A0-J2 126.2200 125.4260 94.8000 95.0000
A0-J6 168.0300 168.3440 30.7570 31.1900
B5-J2 111.3240 110.9710 73.5000 73.7000
B5-J6 198.0300 198.3850 19.7460 20.2830
J2-J6 159.8960 159.5540 345.5640 346.3080
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 60638.20037224
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME eps Eri
HIERARCH ESO INS SOBJ NAME eps_Eri
RA 53.226082
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 46.097
HIERARCH ESO ISS PBL12 END 45.923
HIERARCH ESO ISS PBLA12 START 155.6
HIERARCH ESO ISS PBLA12 END 156.4
HIERARCH ESO ISS PBL13 START 126.22
HIERARCH ESO ISS PBL13 END 125.426
HIERARCH ESO ISS PBLA13 START 94.8
HIERARCH ESO ISS PBLA13 END 95.0
HIERARCH ESO ISS PBL14 START 168.03
HIERARCH ESO ISS PBL14 END 168.344
HIERARCH ESO ISS PBLA14 START 30.757
HIERARCH ESO ISS PBLA14 END 31.19
HIERARCH ESO ISS PBL23 START 111.324
HIERARCH ESO ISS PBL23 END 110.971
HIERARCH ESO ISS PBLA23 START 73.5
HIERARCH ESO ISS PBLA23 END 73.7
HIERARCH ESO ISS PBL24 START 198.03
HIERARCH ESO ISS PBL24 END 198.385
HIERARCH ESO ISS PBLA24 START 19.746
HIERARCH ESO ISS PBLA24 END 20.283
HIERARCH ESO ISS PBL34 START 159.896
HIERARCH ESO ISS PBL34 END 159.554
HIERARCH ESO ISS PBLA34 START 345.564
HIERARCH ESO ISS PBLA34 END 346.308
HIERARCH ESO ISS AMBI TAU0 START 0.009878
HIERARCH ESO ISS AMBI TAU0 END 0.007098
HIERARCH ESO ISS AMBI TEMP 15.36
HIERARCH ESO ISS AMBI FWHM START 0.5
HIERARCH ESO ISS AMBI FWHM END 0.64