Exposure
ID
GRAVI.2021-11-17T01:21:43.474_1
Header ID
GRAVI.2021-11-17T01:21:43.474
Date updated
2021-11-17 01:31:46 UTC+0000
Release date
2022-11-17 01:31:46 UTC+0000
UTC Start
2021-11-17 01:21:43.474
UTC End
2021-11-17 01:25:43.474
MJD Start
59535.05675317
MJD End
59535.0595309478
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0049275
Ambient temperature (°C)
12.75
Seeing (arcsec)
0.695
Observation
ID
48893
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
36605
Name
LL_Aqr
RA
338.673766
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 75.5580 74.7630 121.2000 121.7000
A0-J2 113.7720 112.6240 94.8000 94.9000
A0-K0 120.7020 119.9320 72.9980 72.9500
G1-J2 57.0850 56.8970 58.7000 58.7000
G1-K0 90.1860 90.2570 34.3070 34.4380
J2-K0 44.8870 44.9040 2.6180 3.1240
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 59535.05675317
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME LL_Aqr
HIERARCH ESO INS SOBJ NAME LL_Aqr
RA 338.673766
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 255.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 75.558
HIERARCH ESO ISS PBL12 END 74.763
HIERARCH ESO ISS PBLA12 START 121.2
HIERARCH ESO ISS PBLA12 END 121.7
HIERARCH ESO ISS PBL13 START 113.772
HIERARCH ESO ISS PBL13 END 112.624
HIERARCH ESO ISS PBLA13 START 94.8
HIERARCH ESO ISS PBLA13 END 94.9
HIERARCH ESO ISS PBL14 START 120.702
HIERARCH ESO ISS PBL14 END 119.932
HIERARCH ESO ISS PBLA14 START 72.998
HIERARCH ESO ISS PBLA14 END 72.95
HIERARCH ESO ISS PBL23 START 57.085
HIERARCH ESO ISS PBL23 END 56.897
HIERARCH ESO ISS PBLA23 START 58.7
HIERARCH ESO ISS PBLA23 END 58.7
HIERARCH ESO ISS PBL24 START 90.186
HIERARCH ESO ISS PBL24 END 90.257
HIERARCH ESO ISS PBLA24 START 34.307
HIERARCH ESO ISS PBLA24 END 34.438
HIERARCH ESO ISS PBL34 START 44.887
HIERARCH ESO ISS PBL34 END 44.904
HIERARCH ESO ISS PBLA34 START 2.618
HIERARCH ESO ISS PBLA34 END 3.124
HIERARCH ESO ISS AMBI TAU0 START 0.005035
HIERARCH ESO ISS AMBI TAU0 END 0.00482
HIERARCH ESO ISS AMBI TEMP 12.75
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.68