Exposure
ID
GRAVI.2025-10-12T05:39:34.489_1
Header ID
GRAVI.2025-10-12T05:39:34.489
Date updated
2025-10-12 05:55:57 UTC+0000
Release date
2026-10-12 05:55:57 UTC+0000
UTC Start
2025-10-12 05:39:34.489
UTC End
2025-10-12 05:45:34.489
MJD Start
60960.23581584
MJD End
60960.23998250667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.011997
Ambient temperature (°C)
12.77
Seeing (arcsec)
0.59
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 48.6570 48.6490 143.1000 143.2000
A0-J2 108.3270 110.2250 91.5000 91.5000
A0-J6 144.8240 145.2790 10.3110 11.3190
B5-J2 86.9590 88.7020 65.5000 66.0000
B5-J6 181.4420 181.4150 358.9680 359.8050
J2-J6 167.0070 166.7490 330.4530 330.6770
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 60960.23581584
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 48.657
HIERARCH ESO ISS PBL12 END 48.649
HIERARCH ESO ISS PBLA12 START 143.1
HIERARCH ESO ISS PBLA12 END 143.2
HIERARCH ESO ISS PBL13 START 108.327
HIERARCH ESO ISS PBL13 END 110.225
HIERARCH ESO ISS PBLA13 START 91.5
HIERARCH ESO ISS PBLA13 END 91.5
HIERARCH ESO ISS PBL14 START 144.824
HIERARCH ESO ISS PBL14 END 145.279
HIERARCH ESO ISS PBLA14 START 10.311
HIERARCH ESO ISS PBLA14 END 11.319
HIERARCH ESO ISS PBL23 START 86.959
HIERARCH ESO ISS PBL23 END 88.702
HIERARCH ESO ISS PBLA23 START 65.5
HIERARCH ESO ISS PBLA23 END 66.0
HIERARCH ESO ISS PBL24 START 181.442
HIERARCH ESO ISS PBL24 END 181.415
HIERARCH ESO ISS PBLA24 START 358.968
HIERARCH ESO ISS PBLA24 END 359.805
HIERARCH ESO ISS PBL34 START 167.007
HIERARCH ESO ISS PBL34 END 166.749
HIERARCH ESO ISS PBLA34 START 330.453
HIERARCH ESO ISS PBLA34 END 330.677
HIERARCH ESO ISS AMBI TAU0 START 0.01106
HIERARCH ESO ISS AMBI TAU0 END 0.012934
HIERARCH ESO ISS AMBI TEMP 12.77
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.61