Exposure
ID
GRAVI.2021-11-11T00:06:33.718_1
Header ID
GRAVI.2021-11-11T00:06:33.718
Date updated
2021-11-11 00:17:40 UTC+0000
Release date
2022-11-11 00:17:40 UTC+0000
UTC Start
2021-11-11 00:06:33.718
UTC End
2021-11-11 00:10:33.718
MJD Start
59529.00455692
MJD End
59529.0073346978
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.003123
Ambient temperature (°C)
11.96
Seeing (arcsec)
0.795
Observation
ID
48839
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
36553
Name
LL_Aqr
RA
338.67488
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 88.6900 88.3740 114.8000 115.0000
A0-J2 128.9730 128.7980 92.8000 92.9000
A0-J3 129.2660 129.6540 48.5820 48.7980
G1-J2 57.3970 57.5430 57.4000 57.5000
G1-J3 123.8670 123.9860 7.6290 8.0900
J2-J3 97.1900 96.9660 340.8480 341.2990
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 59529.00455692
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME LL_Aqr
HIERARCH ESO INS SOBJ NAME LL_Aqr
RA 338.67488
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 88.69
HIERARCH ESO ISS PBL12 END 88.374
HIERARCH ESO ISS PBLA12 START 114.8
HIERARCH ESO ISS PBLA12 END 115.0
HIERARCH ESO ISS PBL13 START 128.973
HIERARCH ESO ISS PBL13 END 128.798
HIERARCH ESO ISS PBLA13 START 92.8
HIERARCH ESO ISS PBLA13 END 92.9
HIERARCH ESO ISS PBL14 START 129.266
HIERARCH ESO ISS PBL14 END 129.654
HIERARCH ESO ISS PBLA14 START 48.582
HIERARCH ESO ISS PBLA14 END 48.798
HIERARCH ESO ISS PBL23 START 57.397
HIERARCH ESO ISS PBL23 END 57.543
HIERARCH ESO ISS PBLA23 START 57.4
HIERARCH ESO ISS PBLA23 END 57.5
HIERARCH ESO ISS PBL24 START 123.867
HIERARCH ESO ISS PBL24 END 123.986
HIERARCH ESO ISS PBLA24 START 7.629
HIERARCH ESO ISS PBLA24 END 8.09
HIERARCH ESO ISS PBL34 START 97.19
HIERARCH ESO ISS PBL34 END 96.966
HIERARCH ESO ISS PBLA34 START 340.848
HIERARCH ESO ISS PBLA34 END 341.299
HIERARCH ESO ISS AMBI TAU0 START 0.003077
HIERARCH ESO ISS AMBI TAU0 END 0.003169
HIERARCH ESO ISS AMBI TEMP 11.96
HIERARCH ESO ISS AMBI FWHM START 0.8
HIERARCH ESO ISS AMBI FWHM END 0.79