Exposure
ID
GRAVI.2022-09-30T03:12:54.312_1
Header ID
GRAVI.2022-09-30T03:12:54.312
Date updated
2022-09-30 03:25:58 UTC+0000
Release date
2023-09-30 03:25:58 UTC+0000
UTC Start
2022-09-30 03:12:54.312
UTC End
2022-09-30 03:19:34.312
MJD Start
59852.13396194
MJD End
59852.1385915696
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0035285
Ambient temperature (°C)
9.26
Seeing (arcsec)
0.68
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 86.9700 86.2540 115.7000 116.0000
A0-J2 127.7470 127.0960 93.1000 93.3000
A0-K0 127.9740 127.8810 72.8120 72.9060
G1-J2 57.9670 58.0890 58.0000 58.2000
G1-K0 87.3220 87.6760 30.1620 30.6630
J2-K0 45.1160 45.0550 353.2540 354.0600
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 59852.13396194
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 86.97
HIERARCH ESO ISS PBL12 END 86.254
HIERARCH ESO ISS PBLA12 START 115.7
HIERARCH ESO ISS PBLA12 END 116.0
HIERARCH ESO ISS PBL13 START 127.747
HIERARCH ESO ISS PBL13 END 127.096
HIERARCH ESO ISS PBLA13 START 93.1
HIERARCH ESO ISS PBLA13 END 93.3
HIERARCH ESO ISS PBL14 START 127.974
HIERARCH ESO ISS PBL14 END 127.881
HIERARCH ESO ISS PBLA14 START 72.812
HIERARCH ESO ISS PBLA14 END 72.906
HIERARCH ESO ISS PBL23 START 57.967
HIERARCH ESO ISS PBL23 END 58.089
HIERARCH ESO ISS PBLA23 START 58.0
HIERARCH ESO ISS PBLA23 END 58.2
HIERARCH ESO ISS PBL24 START 87.322
HIERARCH ESO ISS PBL24 END 87.676
HIERARCH ESO ISS PBLA24 START 30.162
HIERARCH ESO ISS PBLA24 END 30.663
HIERARCH ESO ISS PBL34 START 45.116
HIERARCH ESO ISS PBL34 END 45.055
HIERARCH ESO ISS PBLA34 START 353.254
HIERARCH ESO ISS PBLA34 END 354.06
HIERARCH ESO ISS AMBI TAU0 START 0.00415
HIERARCH ESO ISS AMBI TAU0 END 0.002907
HIERARCH ESO ISS AMBI TEMP 9.26
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.77