Exposure
ID
GRAVI.2024-11-24T05:02:11.196_1
Header ID
GRAVI.2024-11-24T05:02:11.196
Date updated
2024-11-24 05:20:45 UTC+0000
Release date
2025-11-24 05:20:45 UTC+0000
UTC Start
2024-11-24 05:02:11.196
UTC End
2024-11-24 05:07:47.196
MJD Start
60638.20985181
MJD End
60638.2137406989
Exposure time (s)
336.0
Validation level
1
Tau 0: Coherence time (s)
0.00775
Ambient temperature (°C)
14.67
Seeing (arcsec)
0.79
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 45.7170 45.5430 157.3000 158.1000
A0-J2 124.3720 123.3790 95.4000 95.7000
A0-J6 168.6760 168.9240 31.6770 32.0660
B5-J2 110.4560 109.9370 74.0000 74.1000
B5-J6 198.7930 199.1280 20.8980 21.4010
J2-J6 159.1650 158.8500 347.2040 347.9730
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 60638.20985181
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 45.717
HIERARCH ESO ISS PBL12 END 45.543
HIERARCH ESO ISS PBLA12 START 157.3
HIERARCH ESO ISS PBLA12 END 158.1
HIERARCH ESO ISS PBL13 START 124.372
HIERARCH ESO ISS PBL13 END 123.379
HIERARCH ESO ISS PBLA13 START 95.4
HIERARCH ESO ISS PBLA13 END 95.7
HIERARCH ESO ISS PBL14 START 168.676
HIERARCH ESO ISS PBL14 END 168.924
HIERARCH ESO ISS PBLA14 START 31.677
HIERARCH ESO ISS PBLA14 END 32.066
HIERARCH ESO ISS PBL23 START 110.456
HIERARCH ESO ISS PBL23 END 109.937
HIERARCH ESO ISS PBLA23 START 74.0
HIERARCH ESO ISS PBLA23 END 74.1
HIERARCH ESO ISS PBL24 START 198.793
HIERARCH ESO ISS PBL24 END 199.128
HIERARCH ESO ISS PBLA24 START 20.898
HIERARCH ESO ISS PBLA24 END 21.401
HIERARCH ESO ISS PBL34 START 159.165
HIERARCH ESO ISS PBL34 END 158.85
HIERARCH ESO ISS PBLA34 START 347.204
HIERARCH ESO ISS PBLA34 END 347.973
HIERARCH ESO ISS AMBI TAU0 START 0.00764
HIERARCH ESO ISS AMBI TAU0 END 0.00786
HIERARCH ESO ISS AMBI TEMP 14.67
HIERARCH ESO ISS AMBI FWHM START 0.89
HIERARCH ESO ISS AMBI FWHM END 0.69