Exposure
ID
GRAVI.2024-12-02T03:35:05.021_1
Header ID
GRAVI.2024-12-02T03:35:05.021
Date updated
2024-12-02 03:50:40 UTC+0000
Release date
2025-12-02 03:50:40 UTC+0000
UTC Start
2024-12-02 03:35:05.021
UTC End
2024-12-02 03:40:41.021
MJD Start
60646.14936367
MJD End
60646.1532525589
Exposure time (s)
336.0
Validation level
1
Tau 0: Coherence time (s)
0.00418
Ambient temperature (°C)
15.57
Seeing (arcsec)
0.985
Observation
ID
62180
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
46261
Name
eps_Eri
RA
53.224941
DEC
-9.45818
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B2 J2 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 24.6640 24.5670 142.0000 142.6000
A0-J2 129.1550 128.9830 93.0000 93.2000
A0-C1 22.4140 22.3320 115.5250 115.8810
B2-J2 114.5240 114.5100 83.6000 83.8000
B2-C1 11.0100 11.0410 27.3000 27.8660
J2-C1 108.7990 108.7170 268.4150 268.6690
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 60646.14936367
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME eps Eri
HIERARCH ESO INS SOBJ NAME eps_Eri
RA 53.224941
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 B2
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 379.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 112
HIERARCH ESO ISS PBL12 START 24.664
HIERARCH ESO ISS PBL12 END 24.567
HIERARCH ESO ISS PBLA12 START 142.0
HIERARCH ESO ISS PBLA12 END 142.6
HIERARCH ESO ISS PBL13 START 129.155
HIERARCH ESO ISS PBL13 END 128.983
HIERARCH ESO ISS PBLA13 START 93.0
HIERARCH ESO ISS PBLA13 END 93.2
HIERARCH ESO ISS PBL14 START 22.414
HIERARCH ESO ISS PBL14 END 22.332
HIERARCH ESO ISS PBLA14 START 115.525
HIERARCH ESO ISS PBLA14 END 115.881
HIERARCH ESO ISS PBL23 START 114.524
HIERARCH ESO ISS PBL23 END 114.51
HIERARCH ESO ISS PBLA23 START 83.6
HIERARCH ESO ISS PBLA23 END 83.8
HIERARCH ESO ISS PBL24 START 11.01
HIERARCH ESO ISS PBL24 END 11.041
HIERARCH ESO ISS PBLA24 START 27.3
HIERARCH ESO ISS PBLA24 END 27.866
HIERARCH ESO ISS PBL34 START 108.799
HIERARCH ESO ISS PBL34 END 108.717
HIERARCH ESO ISS PBLA34 START 268.415
HIERARCH ESO ISS PBLA34 END 268.669
HIERARCH ESO ISS AMBI TAU0 START 0.004984
HIERARCH ESO ISS AMBI TAU0 END 0.003376
HIERARCH ESO ISS AMBI TEMP 15.57
HIERARCH ESO ISS AMBI FWHM START 0.85
HIERARCH ESO ISS AMBI FWHM END 1.12