Exposure
ID
GRAVI.2025-12-05T03:04:42.595_1
Header ID
GRAVI.2025-12-05T03:04:42.595
Date updated
2025-12-05 03:15:39 UTC+0000
Release date
2026-12-05 03:15:39 UTC+0000
UTC Start
2025-12-05 03:04:42.595
UTC End
2025-12-05 03:07:30.595
MJD Start
61014.12827077
MJD End
61014.13021521445
Exposure time (s)
168.0
Validation level
1
Tau 0: Coherence time (s)
0.0035225
Ambient temperature (°C)
12.34
Seeing (arcsec)
1.2650000000000001
Observation
ID
71992
Category
science
Program ID
116.29H7.001
Program Title
GPAO COMMISSIONING
Program Type
Normal
PI / COI
TEAM
Target
ID
53453
Name
51_Eri
RA
69.402543
DEC
-2.47418
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 50.0470 50.1650 18.9000 54.8000
U1-U3 89.8940 90.1930 26.0000 61.9000
U1-U4 115.0390 115.7610 57.9280 93.7060
U2-U3 40.7100 40.8910 34.8000 70.7000
U2-U4 82.4440 82.9210 80.4170 116.0260
U3-U4 61.3300 61.4850 108.7530 144.2540
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.29H7.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 61014.12827077
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME 51 Eri
HIERARCH ESO INS SOBJ NAME 51_Eri
RA 69.402543
DEC -2.47418
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 204.0
HIERARCH ESO DET2 SEQ1 DIT 1.0
HIERARCH ESO DET2 NDIT 168
HIERARCH ESO ISS PBL12 START 50.047
HIERARCH ESO ISS PBL12 END 50.165
HIERARCH ESO ISS PBLA12 START 18.9
HIERARCH ESO ISS PBLA12 END 54.8
HIERARCH ESO ISS PBL13 START 89.894
HIERARCH ESO ISS PBL13 END 90.193
HIERARCH ESO ISS PBLA13 START 26.0
HIERARCH ESO ISS PBLA13 END 61.9
HIERARCH ESO ISS PBL14 START 115.039
HIERARCH ESO ISS PBL14 END 115.761
HIERARCH ESO ISS PBLA14 START 57.928
HIERARCH ESO ISS PBLA14 END 93.706
HIERARCH ESO ISS PBL23 START 40.71
HIERARCH ESO ISS PBL23 END 40.891
HIERARCH ESO ISS PBLA23 START 34.8
HIERARCH ESO ISS PBLA23 END 70.7
HIERARCH ESO ISS PBL24 START 82.444
HIERARCH ESO ISS PBL24 END 82.921
HIERARCH ESO ISS PBLA24 START 80.417
HIERARCH ESO ISS PBLA24 END 116.026
HIERARCH ESO ISS PBL34 START 61.33
HIERARCH ESO ISS PBL34 END 61.485
HIERARCH ESO ISS PBLA34 START 108.753
HIERARCH ESO ISS PBLA34 END 144.254
HIERARCH ESO ISS AMBI TAU0 START 0.003857
HIERARCH ESO ISS AMBI TAU0 END 0.003188
HIERARCH ESO ISS AMBI TEMP 12.34
HIERARCH ESO ISS AMBI FWHM START 1.19
HIERARCH ESO ISS AMBI FWHM END 1.34
HIERARCH ESO FT ROBJ NAME 51_Eri
HIERARCH ESO FT ROBJ ALPHA 043736.133
HIERARCH ESO FT ROBJ DELTA -022824.775