Exposure
ID
GRAVI.2024-11-24T02:01:13.391_1
Header ID
GRAVI.2024-11-24T02:01:13.391
Date updated
2024-11-24 02:20:45 UTC+0000
Release date
2025-11-24 02:20:45 UTC+0000
UTC Start
2024-11-24 02:01:13.391
UTC End
2024-11-24 02:06:49.391
MJD Start
60638.08418277
MJD End
60638.0880716589
Exposure time (s)
336.0
Validation level
1
Tau 0: Coherence time (s)
0.0117685
Ambient temperature (°C)
15.25
Seeing (arcsec)
0.485
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 48.5890 48.6240 143.4000 143.6000
A0-J2 113.1120 114.7640 87.7000 88.0000
A0-J6 155.2590 155.6600 12.1120 13.0340
B5-J2 94.6010 96.0210 62.7000 63.3000
B5-J6 190.8250 190.8710 1.0760 1.8700
J2-J6 167.8640 167.7730 331.3690 331.6840
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 60638.08418277
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 48.589
HIERARCH ESO ISS PBL12 END 48.624
HIERARCH ESO ISS PBLA12 START 143.4
HIERARCH ESO ISS PBLA12 END 143.6
HIERARCH ESO ISS PBL13 START 113.112
HIERARCH ESO ISS PBL13 END 114.764
HIERARCH ESO ISS PBLA13 START 87.7
HIERARCH ESO ISS PBLA13 END 88.0
HIERARCH ESO ISS PBL14 START 155.259
HIERARCH ESO ISS PBL14 END 155.66
HIERARCH ESO ISS PBLA14 START 12.112
HIERARCH ESO ISS PBLA14 END 13.034
HIERARCH ESO ISS PBL23 START 94.601
HIERARCH ESO ISS PBL23 END 96.021
HIERARCH ESO ISS PBLA23 START 62.7
HIERARCH ESO ISS PBLA23 END 63.3
HIERARCH ESO ISS PBL24 START 190.825
HIERARCH ESO ISS PBL24 END 190.871
HIERARCH ESO ISS PBLA24 START 1.076
HIERARCH ESO ISS PBLA24 END 1.87
HIERARCH ESO ISS PBL34 START 167.864
HIERARCH ESO ISS PBL34 END 167.773
HIERARCH ESO ISS PBLA34 START 331.369
HIERARCH ESO ISS PBLA34 END 331.684
HIERARCH ESO ISS AMBI TAU0 START 0.011311
HIERARCH ESO ISS AMBI TAU0 END 0.012226
HIERARCH ESO ISS AMBI TEMP 15.25
HIERARCH ESO ISS AMBI FWHM START 0.47
HIERARCH ESO ISS AMBI FWHM END 0.5