Exposure
ID
GRAVI.2024-12-18T01:46:57.819_1
Header ID
GRAVI.2024-12-18T01:46:57.819
Date updated
2024-12-18 02:00:41 UTC+0000
Release date
2025-06-16 02:00:40 UTC+0000
UTC Start
2024-12-18 01:46:57.819
UTC End
2024-12-18 01:52:57.819
MJD Start
60662.07428031
MJD End
60662.078446976666
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.00511
Ambient temperature (°C)
15.27
Seeing (arcsec)
0.6499999999999999
Observation
ID
62702
Category
science
Program ID
111.24MN.004
Program Title
MONITORING 51 ERI B FOR A PERTURBING INNER COMPANION
Program Type
Monitoring
PI / COI
BALMER / KAMMERER / PUEYO / LACOUR / MAIRE / WANG / NOWAK / STOLKER / MOLLIERE / CORREIA / HINKLEY / POURRÉ / BOURDAROT / OTTEN / KERVELLA / CASELLI / BENISTY / SAMLAND / RICKMAN
Target
ID
46642
Name
51Eri
RA
69.402987
DEC
-2.47411
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
DUAL
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 49.1590 49.3600 15.2000 16.1000
U1-U3 87.5580 88.1050 22.4000 23.3000
U1-U4 108.8570 110.4150 55.5770 56.1940
U2-U3 39.2520 39.6030 31.3000 32.2000
U2-U4 78.1500 79.2690 79.6020 79.8160
U3-U4 59.7360 60.1800 108.9950 108.9140
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 111.24MN.004
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 60662.07428031
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME 51Eri
HIERARCH ESO INS SOBJ NAME 51Eri
RA 69.402987
DEC -2.47411
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 U1
HIERARCH ESO ISS CONF STATION2 U2
HIERARCH ESO ISS CONF STATION3 U3
HIERARCH ESO ISS CONF STATION4 U4
EXPTIME 376.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 49.159
HIERARCH ESO ISS PBL12 END 49.36
HIERARCH ESO ISS PBLA12 START 15.2
HIERARCH ESO ISS PBLA12 END 16.1
HIERARCH ESO ISS PBL13 START 87.558
HIERARCH ESO ISS PBL13 END 88.105
HIERARCH ESO ISS PBLA13 START 22.4
HIERARCH ESO ISS PBLA13 END 23.3
HIERARCH ESO ISS PBL14 START 108.857
HIERARCH ESO ISS PBL14 END 110.415
HIERARCH ESO ISS PBLA14 START 55.577
HIERARCH ESO ISS PBLA14 END 56.194
HIERARCH ESO ISS PBL23 START 39.252
HIERARCH ESO ISS PBL23 END 39.603
HIERARCH ESO ISS PBLA23 START 31.3
HIERARCH ESO ISS PBLA23 END 32.2
HIERARCH ESO ISS PBL24 START 78.15
HIERARCH ESO ISS PBL24 END 79.269
HIERARCH ESO ISS PBLA24 START 79.602
HIERARCH ESO ISS PBLA24 END 79.816
HIERARCH ESO ISS PBL34 START 59.736
HIERARCH ESO ISS PBL34 END 60.18
HIERARCH ESO ISS PBLA34 START 108.995
HIERARCH ESO ISS PBLA34 END 108.914
HIERARCH ESO ISS AMBI TAU0 START 0.005134
HIERARCH ESO ISS AMBI TAU0 END 0.005086
HIERARCH ESO ISS AMBI TEMP 15.27
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.73
HIERARCH ESO FT ROBJ NAME 51Eri
HIERARCH ESO FT ROBJ ALPHA 043736.133
HIERARCH ESO FT ROBJ DELTA -022824.775