Exposure
ID
GRAVI.2025-10-13T05:30:29.355_1
Header ID
GRAVI.2025-10-13T05:30:29.355
Date updated
2025-10-13 05:45:52 UTC+0000
Release date
2026-10-13 05:45:51 UTC+0000
UTC Start
2025-10-13 05:30:29.355
UTC End
2025-10-13 05:36:29.355
MJD Start
60961.22950642
MJD End
60961.23367308667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0091385
Ambient temperature (°C)
12.82
Seeing (arcsec)
0.46499999999999997
Observation
ID
70906
Category
science
Program ID
116.28QG.001
Program Title
SPIN-ORBIT ALIGNMENT OF THE 51 ERI, AF LEP AND PZ TEL SYSTEMS
Program Type
Normal
PI / COI
LE BOUQUIN / LACOUR / BONFILS
Target
ID
52614
Name
51_Eri
RA
69.399697
DEC
-2.47392
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 48.6540 48.6570 143.1000 143.2000
A0-J2 106.7020 108.6630 91.5000 91.5000
A0-J6 144.4770 144.8990 9.4710 10.4860
B5-J2 85.4880 87.2650 64.9000 65.6000
B5-J6 181.4890 181.4330 358.2800 359.1120
J2-J6 167.1980 166.9640 330.2830 330.4890
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28QG.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60961.22950642
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME 51 Eri
HIERARCH ESO INS SOBJ NAME 51_Eri
RA 69.399697
DEC -2.47392
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
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 377.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 48.654
HIERARCH ESO ISS PBL12 END 48.657
HIERARCH ESO ISS PBLA12 START 143.1
HIERARCH ESO ISS PBLA12 END 143.2
HIERARCH ESO ISS PBL13 START 106.702
HIERARCH ESO ISS PBL13 END 108.663
HIERARCH ESO ISS PBLA13 START 91.5
HIERARCH ESO ISS PBLA13 END 91.5
HIERARCH ESO ISS PBL14 START 144.477
HIERARCH ESO ISS PBL14 END 144.899
HIERARCH ESO ISS PBLA14 START 9.471
HIERARCH ESO ISS PBLA14 END 10.486
HIERARCH ESO ISS PBL23 START 85.488
HIERARCH ESO ISS PBL23 END 87.265
HIERARCH ESO ISS PBLA23 START 64.9
HIERARCH ESO ISS PBLA23 END 65.6
HIERARCH ESO ISS PBL24 START 181.489
HIERARCH ESO ISS PBL24 END 181.433
HIERARCH ESO ISS PBLA24 START 358.28
HIERARCH ESO ISS PBLA24 END 359.112
HIERARCH ESO ISS PBL34 START 167.198
HIERARCH ESO ISS PBL34 END 166.964
HIERARCH ESO ISS PBLA34 START 330.283
HIERARCH ESO ISS PBLA34 END 330.489
HIERARCH ESO ISS AMBI TAU0 START 0.008345
HIERARCH ESO ISS AMBI TAU0 END 0.009932
HIERARCH ESO ISS AMBI TEMP 12.82
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.41