Exposure
ID
GRAVI.2022-10-24T00:00:50.345_1
Header ID
GRAVI.2022-10-24T00:00:50.345
Date updated
2022-10-24 00:15:56 UTC+0000
Release date
2023-10-24 00:15:56 UTC+0000
UTC Start
2022-10-24 00:00:50.345
UTC End
2022-10-24 00:07:30.345
MJD Start
59876.0005827
MJD End
59876.0052123296
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.005186
Ambient temperature (°C)
14.05
Seeing (arcsec)
0.665
Observation
ID
52572
Category
science
Program ID
109.22XY.002
Program Title
HIGH-PRECISION MASSES AND DISTANCES OF SPECTROSCOPIC BINARIES WITH INTERFEROMETRY - PART II
Program Type
Normal
PI / COI
GALLENNE/ PIETRZYNSKI/ GRACZYK/ PILECKI/ GIEREN/ KERVELLA/ MÉRAND
Target
ID
39072
Name
LL_Aqr
RA
338.67378
DEC
-3.5996
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 89.9710 90.2090 113.3000 113.3000
A0-J2 124.4040 125.4090 91.7000 91.8000
A0-K0 118.1720 119.5240 69.7550 70.0990
G1-J2 52.4950 53.0890 52.6000 53.2000
G1-K0 81.4850 81.9020 20.2620 21.1420
J2-K0 46.5490 46.4260 343.1670 343.7870
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 109.22XY.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 59876.0005827
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME LL Aqr
HIERARCH ESO INS SOBJ NAME LL_Aqr
RA 338.67378
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 K0
EXPTIME 414.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 89.971
HIERARCH ESO ISS PBL12 END 90.209
HIERARCH ESO ISS PBLA12 START 113.3
HIERARCH ESO ISS PBLA12 END 113.3
HIERARCH ESO ISS PBL13 START 124.404
HIERARCH ESO ISS PBL13 END 125.409
HIERARCH ESO ISS PBLA13 START 91.7
HIERARCH ESO ISS PBLA13 END 91.8
HIERARCH ESO ISS PBL14 START 118.172
HIERARCH ESO ISS PBL14 END 119.524
HIERARCH ESO ISS PBLA14 START 69.755
HIERARCH ESO ISS PBLA14 END 70.099
HIERARCH ESO ISS PBL23 START 52.495
HIERARCH ESO ISS PBL23 END 53.089
HIERARCH ESO ISS PBLA23 START 52.6
HIERARCH ESO ISS PBLA23 END 53.2
HIERARCH ESO ISS PBL24 START 81.485
HIERARCH ESO ISS PBL24 END 81.902
HIERARCH ESO ISS PBLA24 START 20.262
HIERARCH ESO ISS PBLA24 END 21.142
HIERARCH ESO ISS PBL34 START 46.549
HIERARCH ESO ISS PBL34 END 46.426
HIERARCH ESO ISS PBLA34 START 343.167
HIERARCH ESO ISS PBLA34 END 343.787
HIERARCH ESO ISS AMBI TAU0 START 0.004348
HIERARCH ESO ISS AMBI TAU0 END 0.006024
HIERARCH ESO ISS AMBI TEMP 14.05
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.57