Exposure
ID
GRAVI.2021-11-12T01:08:33.478_1
Header ID
GRAVI.2021-11-12T01:08:33.478
Date updated
2021-11-12 01:21:01 UTC+0000
Release date
2022-11-12 01:21:00 UTC+0000
UTC Start
2021-11-12 01:08:33.478
UTC End
2021-11-12 01:12:33.478
MJD Start
59530.0476097
MJD End
59530.0503874778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0056575
Ambient temperature (°C)
12.96
Seeing (arcsec)
0.61
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 81.1540 80.4930 118.4000 118.7000
A0-J2 121.3430 120.5030 94.0000 94.1000
A0-J3 132.4200 132.4040 50.7690 50.8280
G1-J2 58.0620 57.9860 58.8000 58.8000
G1-J3 126.2600 126.4430 14.2960 14.6810
J2-J3 94.0890 93.9320 348.6730 349.2290
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 59530.0476097
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 81.154
HIERARCH ESO ISS PBL12 END 80.493
HIERARCH ESO ISS PBLA12 START 118.4
HIERARCH ESO ISS PBLA12 END 118.7
HIERARCH ESO ISS PBL13 START 121.343
HIERARCH ESO ISS PBL13 END 120.503
HIERARCH ESO ISS PBLA13 START 94.0
HIERARCH ESO ISS PBLA13 END 94.1
HIERARCH ESO ISS PBL14 START 132.42
HIERARCH ESO ISS PBL14 END 132.404
HIERARCH ESO ISS PBLA14 START 50.769
HIERARCH ESO ISS PBLA14 END 50.828
HIERARCH ESO ISS PBL23 START 58.062
HIERARCH ESO ISS PBL23 END 57.986
HIERARCH ESO ISS PBLA23 START 58.8
HIERARCH ESO ISS PBLA23 END 58.8
HIERARCH ESO ISS PBL24 START 126.26
HIERARCH ESO ISS PBL24 END 126.443
HIERARCH ESO ISS PBLA24 START 14.296
HIERARCH ESO ISS PBLA24 END 14.681
HIERARCH ESO ISS PBL34 START 94.089
HIERARCH ESO ISS PBL34 END 93.932
HIERARCH ESO ISS PBLA34 START 348.673
HIERARCH ESO ISS PBLA34 END 349.229
HIERARCH ESO ISS AMBI TAU0 START 0.005557
HIERARCH ESO ISS AMBI TAU0 END 0.005758
HIERARCH ESO ISS AMBI TEMP 12.96
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.62