Exposure
ID
GRAVI.2024-11-22T07:12:31.501_1
Header ID
GRAVI.2024-11-22T07:12:31.501
Date updated
2024-11-22 07:30:44 UTC+0000
Release date
2025-11-22 07:30:44 UTC+0000
UTC Start
2024-11-22 07:12:31.501
UTC End
2024-11-22 07:18:07.501
MJD Start
60636.3003646
MJD End
60636.3042534889
Exposure time (s)
336.0
Validation level
1
Tau 0: Coherence time (s)
0.0086165
Ambient temperature (°C)
13.02
Seeing (arcsec)
0.685
Observation
ID
61953
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
46071
Name
eps_Eri
RA
53.224958
DEC
-9.45818
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 64.8270 63.6520 136.5000 137.9000
A0-J2 90.3240 87.8590 103.5000 104.2000
A0-K0 99.8040 97.6680 75.4330 75.3660
G1-J2 50.3370 49.6430 59.1000 58.8000
G1-K0 88.8810 88.6010 35.7690 35.7740
J2-K0 47.0640 47.1280 10.7450 11.3960
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 60636.3003646
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME eps Eri
HIERARCH ESO INS SOBJ NAME eps_Eri
RA 53.224958
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 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 64.827
HIERARCH ESO ISS PBL12 END 63.652
HIERARCH ESO ISS PBLA12 START 136.5
HIERARCH ESO ISS PBLA12 END 137.9
HIERARCH ESO ISS PBL13 START 90.324
HIERARCH ESO ISS PBL13 END 87.859
HIERARCH ESO ISS PBLA13 START 103.5
HIERARCH ESO ISS PBLA13 END 104.2
HIERARCH ESO ISS PBL14 START 99.804
HIERARCH ESO ISS PBL14 END 97.668
HIERARCH ESO ISS PBLA14 START 75.433
HIERARCH ESO ISS PBLA14 END 75.366
HIERARCH ESO ISS PBL23 START 50.337
HIERARCH ESO ISS PBL23 END 49.643
HIERARCH ESO ISS PBLA23 START 59.1
HIERARCH ESO ISS PBLA23 END 58.8
HIERARCH ESO ISS PBL24 START 88.881
HIERARCH ESO ISS PBL24 END 88.601
HIERARCH ESO ISS PBLA24 START 35.769
HIERARCH ESO ISS PBLA24 END 35.774
HIERARCH ESO ISS PBL34 START 47.064
HIERARCH ESO ISS PBL34 END 47.128
HIERARCH ESO ISS PBLA34 START 10.745
HIERARCH ESO ISS PBLA34 END 11.396
HIERARCH ESO ISS AMBI TAU0 START 0.008606
HIERARCH ESO ISS AMBI TAU0 END 0.008627
HIERARCH ESO ISS AMBI TEMP 13.02
HIERARCH ESO ISS AMBI FWHM START 0.73
HIERARCH ESO ISS AMBI FWHM END 0.64