Exposure
ID
GRAVI.2025-10-12T04:52:37.369_1
Header ID
GRAVI.2025-10-12T04:52:37.369
Date updated
2025-10-12 05:12:53 UTC+0000
Release date
2026-10-12 05:12:52 UTC+0000
UTC Start
2025-10-12 04:52:37.369
UTC End
2025-10-12 04:58:37.369
MJD Start
60960.20321029
MJD End
60960.20737695666
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0098065
Ambient temperature (°C)
13.54
Seeing (arcsec)
0.835
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 48.2990 48.3890 143.2000 143.1000
A0-J2 91.6950 94.1600 91.2000 91.2000
A0-J6 142.7580 142.8890 2.4560 3.5300
B5-J2 72.7130 74.7190 59.6000 60.6000
B5-J6 182.7290 182.4500 352.8290 353.6320
J2-J6 167.9690 167.9430 329.3850 329.4660
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 60960.20321029
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 48.299
HIERARCH ESO ISS PBL12 END 48.389
HIERARCH ESO ISS PBLA12 START 143.2
HIERARCH ESO ISS PBLA12 END 143.1
HIERARCH ESO ISS PBL13 START 91.695
HIERARCH ESO ISS PBL13 END 94.16
HIERARCH ESO ISS PBLA13 START 91.2
HIERARCH ESO ISS PBLA13 END 91.2
HIERARCH ESO ISS PBL14 START 142.758
HIERARCH ESO ISS PBL14 END 142.889
HIERARCH ESO ISS PBLA14 START 2.456
HIERARCH ESO ISS PBLA14 END 3.53
HIERARCH ESO ISS PBL23 START 72.713
HIERARCH ESO ISS PBL23 END 74.719
HIERARCH ESO ISS PBLA23 START 59.6
HIERARCH ESO ISS PBLA23 END 60.6
HIERARCH ESO ISS PBL24 START 182.729
HIERARCH ESO ISS PBL24 END 182.45
HIERARCH ESO ISS PBLA24 START 352.829
HIERARCH ESO ISS PBLA24 END 353.632
HIERARCH ESO ISS PBL34 START 167.969
HIERARCH ESO ISS PBL34 END 167.943
HIERARCH ESO ISS PBLA34 START 329.385
HIERARCH ESO ISS PBLA34 END 329.466
HIERARCH ESO ISS AMBI TAU0 START 0.009032
HIERARCH ESO ISS AMBI TAU0 END 0.010581
HIERARCH ESO ISS AMBI TEMP 13.54
HIERARCH ESO ISS AMBI FWHM START 0.86
HIERARCH ESO ISS AMBI FWHM END 0.81