Exposure
ID
GRAVI.2025-10-12T05:05:49.402_1
Header ID
GRAVI.2025-10-12T05:05:49.402
Date updated
2025-10-12 05:20:45 UTC+0000
Release date
2026-10-12 05:20:45 UTC+0000
UTC Start
2025-10-12 05:05:49.402
UTC End
2025-10-12 05:11:49.402
MJD Start
60960.21237734
MJD End
60960.21654400667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0089465
Ambient temperature (°C)
13.42
Seeing (arcsec)
1.015
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 48.4740 48.5370 143.1000 143.0000
A0-J2 96.7980 99.1170 91.3000 91.3000
A0-J6 143.0880 143.3170 4.7110 5.7760
B5-J2 76.9050 78.8610 61.6000 62.4000
B5-J6 182.1790 181.9670 354.5270 355.3470
J2-J6 167.8770 167.7830 329.5780 329.6990
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 60960.21237734
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 48.474
HIERARCH ESO ISS PBL12 END 48.537
HIERARCH ESO ISS PBLA12 START 143.1
HIERARCH ESO ISS PBLA12 END 143.0
HIERARCH ESO ISS PBL13 START 96.798
HIERARCH ESO ISS PBL13 END 99.117
HIERARCH ESO ISS PBLA13 START 91.3
HIERARCH ESO ISS PBLA13 END 91.3
HIERARCH ESO ISS PBL14 START 143.088
HIERARCH ESO ISS PBL14 END 143.317
HIERARCH ESO ISS PBLA14 START 4.711
HIERARCH ESO ISS PBLA14 END 5.776
HIERARCH ESO ISS PBL23 START 76.905
HIERARCH ESO ISS PBL23 END 78.861
HIERARCH ESO ISS PBLA23 START 61.6
HIERARCH ESO ISS PBLA23 END 62.4
HIERARCH ESO ISS PBL24 START 182.179
HIERARCH ESO ISS PBL24 END 181.967
HIERARCH ESO ISS PBLA24 START 354.527
HIERARCH ESO ISS PBLA24 END 355.347
HIERARCH ESO ISS PBL34 START 167.877
HIERARCH ESO ISS PBL34 END 167.783
HIERARCH ESO ISS PBLA34 START 329.578
HIERARCH ESO ISS PBLA34 END 329.699
HIERARCH ESO ISS AMBI TAU0 START 0.008519
HIERARCH ESO ISS AMBI TAU0 END 0.009374
HIERARCH ESO ISS AMBI TEMP 13.42
HIERARCH ESO ISS AMBI FWHM START 0.9
HIERARCH ESO ISS AMBI FWHM END 1.13