Exposure
ID
GRAVI.2024-11-24T06:56:08.485_1
Header ID
GRAVI.2024-11-24T06:56:08.485
Date updated
2024-11-24 07:10:27 UTC+0000
Release date
2024-11-24 06:56:08 UTC+0000
UTC Start
2024-11-24 06:56:08.485
UTC End
2024-11-24 07:01:44.485
MJD Start
60638.2889871
MJD End
60638.29287598889
Exposure time (s)
336.0
Validation level
1
Tau 0: Coherence time (s)
0.0060815
Ambient temperature (°C)
14.47
Seeing (arcsec)
0.73
Observation
ID
61993
Category
calibrator
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
46103
Name
HD_28749
RA
67.96833
DEC
-0.04405
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 40.5790 40.3730 163.4000 164.4000
A0-J2 111.6760 109.8540 93.0000 93.0000
A0-J6 168.5840 168.8660 34.6980 34.8360
B5-J2 105.2750 104.2470 71.7000 71.5000
B5-J6 196.5260 197.0600 25.4240 25.7480
J2-J6 145.2240 144.9940 353.8450 354.7560
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.27JH.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60638.2889871
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME 45 Eri
HIERARCH ESO INS SOBJ NAME HD_28749
RA 67.96833
DEC -0.04405
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 40.579
HIERARCH ESO ISS PBL12 END 40.373
HIERARCH ESO ISS PBLA12 START 163.4
HIERARCH ESO ISS PBLA12 END 164.4
HIERARCH ESO ISS PBL13 START 111.676
HIERARCH ESO ISS PBL13 END 109.854
HIERARCH ESO ISS PBLA13 START 93.0
HIERARCH ESO ISS PBLA13 END 93.0
HIERARCH ESO ISS PBL14 START 168.584
HIERARCH ESO ISS PBL14 END 168.866
HIERARCH ESO ISS PBLA14 START 34.698
HIERARCH ESO ISS PBLA14 END 34.836
HIERARCH ESO ISS PBL23 START 105.275
HIERARCH ESO ISS PBL23 END 104.247
HIERARCH ESO ISS PBLA23 START 71.7
HIERARCH ESO ISS PBLA23 END 71.5
HIERARCH ESO ISS PBL24 START 196.526
HIERARCH ESO ISS PBL24 END 197.06
HIERARCH ESO ISS PBLA24 START 25.424
HIERARCH ESO ISS PBLA24 END 25.748
HIERARCH ESO ISS PBL34 START 145.224
HIERARCH ESO ISS PBL34 END 144.994
HIERARCH ESO ISS PBLA34 START 353.845
HIERARCH ESO ISS PBLA34 END 354.756
HIERARCH ESO ISS AMBI TAU0 START 0.00734
HIERARCH ESO ISS AMBI TAU0 END 0.004823
HIERARCH ESO ISS AMBI TEMP 14.47
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.83