Exposure
ID
GRAVI.2021-09-10T04:15:19.988_1
Header ID
GRAVI.2021-09-10T04:15:19.988
Date updated
2021-09-10 04:25:53 UTC+0000
Release date
2022-09-10 04:25:53 UTC+0000
UTC Start
2021-09-10 04:15:19.988
UTC End
2021-09-10 04:19:19.988
MJD Start
59467.17731468
MJD End
59467.1800924578
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0064615
Ambient temperature (°C)
11.05
Seeing (arcsec)
0.505
Observation
ID
48190
Category
science
Program ID
105.207C.001
Program Title
HIGH-PRECISION MASSES AND DISTANCES OF SPECTROSCOPIC BINARIES WITH INTERFEROMETRY - PART II
Program Type
Normal
PI / COI
GALLENNE/ GIEREN/ PIETRZYNSKI/ GRACZYK/ PILECKI/ KERVELLA/ MERAND
Target
ID
36118
Name
LL_Aqr
RA
338.674877
DEC
-3.5996
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 88.3190 87.9750 115.0000 115.2000
A0-J2 128.7640 128.5390 92.9000 93.0000
A0-J3 129.7160 130.0750 48.8350 49.0370
G1-J2 57.5660 57.6960 57.5000 57.7000
G1-J3 124.0060 124.1310 8.1690 8.6240
J2-J3 96.9290 96.7080 341.3770 341.8350
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 105.207C.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 59467.17731468
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME LL_Aqr
HIERARCH ESO INS SOBJ NAME LL_Aqr
RA 338.674877
DEC -3.5996
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 255.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 88.319
HIERARCH ESO ISS PBL12 END 87.975
HIERARCH ESO ISS PBLA12 START 115.0
HIERARCH ESO ISS PBLA12 END 115.2
HIERARCH ESO ISS PBL13 START 128.764
HIERARCH ESO ISS PBL13 END 128.539
HIERARCH ESO ISS PBLA13 START 92.9
HIERARCH ESO ISS PBLA13 END 93.0
HIERARCH ESO ISS PBL14 START 129.716
HIERARCH ESO ISS PBL14 END 130.075
HIERARCH ESO ISS PBLA14 START 48.835
HIERARCH ESO ISS PBLA14 END 49.037
HIERARCH ESO ISS PBL23 START 57.566
HIERARCH ESO ISS PBL23 END 57.696
HIERARCH ESO ISS PBLA23 START 57.5
HIERARCH ESO ISS PBLA23 END 57.7
HIERARCH ESO ISS PBL24 START 124.006
HIERARCH ESO ISS PBL24 END 124.131
HIERARCH ESO ISS PBLA24 START 8.169
HIERARCH ESO ISS PBLA24 END 8.624
HIERARCH ESO ISS PBL34 START 96.929
HIERARCH ESO ISS PBL34 END 96.708
HIERARCH ESO ISS PBLA34 START 341.377
HIERARCH ESO ISS PBLA34 END 341.835
HIERARCH ESO ISS AMBI TAU0 START 0.006343
HIERARCH ESO ISS AMBI TAU0 END 0.00658
HIERARCH ESO ISS AMBI TEMP 11.05
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.49