Exposure
ID
GRAVI.2024-11-24T01:48:25.359_1
Header ID
GRAVI.2024-11-24T01:48:25.359
Date updated
2024-11-24 02:05:43 UTC+0000
Release date
2024-11-24 01:48:25 UTC+0000
UTC Start
2024-11-24 01:48:25.359
UTC End
2024-11-24 01:54:01.359
MJD Start
60638.07529351
MJD End
60638.0791823989
Exposure time (s)
336.0
Validation level
1
Tau 0: Coherence time (s)
0.010541
Ambient temperature (°C)
15.35
Seeing (arcsec)
0.515
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 48.3660 48.4460 143.5000 143.4000
A0-J2 88.4430 90.9870 93.8000 93.7000
A0-J6 138.6330 138.7070 1.0340 2.1410
B5-J2 68.0890 70.2080 60.9000 61.9000
B5-J6 179.4290 179.0740 351.5880 352.3940
J2-J6 167.9310 167.8640 329.3010 329.3390
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 60638.07529351
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 48.366
HIERARCH ESO ISS PBL12 END 48.446
HIERARCH ESO ISS PBLA12 START 143.5
HIERARCH ESO ISS PBLA12 END 143.4
HIERARCH ESO ISS PBL13 START 88.443
HIERARCH ESO ISS PBL13 END 90.987
HIERARCH ESO ISS PBLA13 START 93.8
HIERARCH ESO ISS PBLA13 END 93.7
HIERARCH ESO ISS PBL14 START 138.633
HIERARCH ESO ISS PBL14 END 138.707
HIERARCH ESO ISS PBLA14 START 1.034
HIERARCH ESO ISS PBLA14 END 2.141
HIERARCH ESO ISS PBL23 START 68.089
HIERARCH ESO ISS PBL23 END 70.208
HIERARCH ESO ISS PBLA23 START 60.9
HIERARCH ESO ISS PBLA23 END 61.9
HIERARCH ESO ISS PBL24 START 179.429
HIERARCH ESO ISS PBL24 END 179.074
HIERARCH ESO ISS PBLA24 START 351.588
HIERARCH ESO ISS PBLA24 END 352.394
HIERARCH ESO ISS PBL34 START 167.931
HIERARCH ESO ISS PBL34 END 167.864
HIERARCH ESO ISS PBLA34 START 329.301
HIERARCH ESO ISS PBLA34 END 329.339
HIERARCH ESO ISS AMBI TAU0 START 0.008954
HIERARCH ESO ISS AMBI TAU0 END 0.012128
HIERARCH ESO ISS AMBI TEMP 15.35
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.46