Exposure
ID
GRAVI.2025-10-13T05:03:59.287_1
Header ID
GRAVI.2025-10-13T05:03:59.287
Date updated
2025-10-13 05:20:52 UTC+0000
Release date
2026-10-13 05:20:52 UTC+0000
UTC Start
2025-10-13 05:03:59.287
UTC End
2025-10-13 05:09:59.287
MJD Start
60961.21110286
MJD End
60961.21526952666
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.007024
Ambient temperature (°C)
13.04
Seeing (arcsec)
0.53
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 48.4960 48.5550 143.1000 143.0000
A0-J2 97.5780 99.8660 91.3000 91.3000
A0-J6 143.1580 143.4010 5.0670 6.1260
B5-J2 77.5590 79.4990 61.9000 62.7000
B5-J6 182.1030 181.9030 354.8000 355.6180
J2-J6 167.8490 167.7450 329.6170 329.7440
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 60961.21110286
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 48.496
HIERARCH ESO ISS PBL12 END 48.555
HIERARCH ESO ISS PBLA12 START 143.1
HIERARCH ESO ISS PBLA12 END 143.0
HIERARCH ESO ISS PBL13 START 97.578
HIERARCH ESO ISS PBL13 END 99.866
HIERARCH ESO ISS PBLA13 START 91.3
HIERARCH ESO ISS PBLA13 END 91.3
HIERARCH ESO ISS PBL14 START 143.158
HIERARCH ESO ISS PBL14 END 143.401
HIERARCH ESO ISS PBLA14 START 5.067
HIERARCH ESO ISS PBLA14 END 6.126
HIERARCH ESO ISS PBL23 START 77.559
HIERARCH ESO ISS PBL23 END 79.499
HIERARCH ESO ISS PBLA23 START 61.9
HIERARCH ESO ISS PBLA23 END 62.7
HIERARCH ESO ISS PBL24 START 182.103
HIERARCH ESO ISS PBL24 END 181.903
HIERARCH ESO ISS PBLA24 START 354.8
HIERARCH ESO ISS PBLA24 END 355.618
HIERARCH ESO ISS PBL34 START 167.849
HIERARCH ESO ISS PBL34 END 167.745
HIERARCH ESO ISS PBLA34 START 329.617
HIERARCH ESO ISS PBLA34 END 329.744
HIERARCH ESO ISS AMBI TAU0 START 0.00629
HIERARCH ESO ISS AMBI TAU0 END 0.007758
HIERARCH ESO ISS AMBI TEMP 13.04
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.46