Exposure
ID
GRAVI.2025-10-13T05:23:53.338_1
Header ID
GRAVI.2025-10-13T05:23:53.338
Date updated
2025-10-13 05:41:55 UTC+0000
Release date
2026-10-13 05:41:55 UTC+0000
UTC Start
2025-10-13 05:23:53.338
UTC End
2025-10-13 05:29:53.338
MJD Start
60961.22492289
MJD End
60961.22908955666
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.009316999999999999
Ambient temperature (°C)
12.91
Seeing (arcsec)
0.49
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 48.6370 48.6540 143.0000 143.1000
A0-J2 104.5610 106.6110 91.4000 91.5000
A0-J6 144.0780 144.4590 8.3910 9.4230
B5-J2 83.5790 85.4070 64.3000 64.9000
B5-J6 181.5850 181.4920 357.4070 358.2410
J2-J6 167.4110 167.2080 330.0850 330.2730
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 60961.22492289
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 48.637
HIERARCH ESO ISS PBL12 END 48.654
HIERARCH ESO ISS PBLA12 START 143.0
HIERARCH ESO ISS PBLA12 END 143.1
HIERARCH ESO ISS PBL13 START 104.561
HIERARCH ESO ISS PBL13 END 106.611
HIERARCH ESO ISS PBLA13 START 91.4
HIERARCH ESO ISS PBLA13 END 91.5
HIERARCH ESO ISS PBL14 START 144.078
HIERARCH ESO ISS PBL14 END 144.459
HIERARCH ESO ISS PBLA14 START 8.391
HIERARCH ESO ISS PBLA14 END 9.423
HIERARCH ESO ISS PBL23 START 83.579
HIERARCH ESO ISS PBL23 END 85.407
HIERARCH ESO ISS PBLA23 START 64.3
HIERARCH ESO ISS PBLA23 END 64.9
HIERARCH ESO ISS PBL24 START 181.585
HIERARCH ESO ISS PBL24 END 181.492
HIERARCH ESO ISS PBLA24 START 357.407
HIERARCH ESO ISS PBLA24 END 358.241
HIERARCH ESO ISS PBL34 START 167.411
HIERARCH ESO ISS PBL34 END 167.208
HIERARCH ESO ISS PBLA34 START 330.085
HIERARCH ESO ISS PBLA34 END 330.273
HIERARCH ESO ISS AMBI TAU0 START 0.010289
HIERARCH ESO ISS AMBI TAU0 END 0.008345
HIERARCH ESO ISS AMBI TEMP 12.91
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.52