Exposure
ID
GRAVI.2021-11-08T01:18:15.799_1
Header ID
GRAVI.2021-11-08T01:18:15.799
Date updated
2021-11-08 01:31:21 UTC+0000
Release date
2022-11-08 01:31:20 UTC+0000
UTC Start
2021-11-08 01:18:15.799
UTC End
2021-11-08 01:22:15.799
MJD Start
59526.05434952
MJD End
59526.0571272978
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0058335
Ambient temperature (°C)
13.21
Seeing (arcsec)
0.765
Observation
ID
48802
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
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 82.0640 81.4260 118.0000 118.3000
A0-J2 122.4710 121.6830 93.9000 94.0000
A0-J3 132.3970 132.4190 50.6700 50.7430
G1-J2 58.1470 58.0900 58.7000 58.8000
G1-J3 126.0030 126.1840 13.7370 14.1340
J2-J3 94.3250 94.1570 347.8920 348.4440
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 59526.05434952
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 HIGH
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 256.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 82.064
HIERARCH ESO ISS PBL12 END 81.426
HIERARCH ESO ISS PBLA12 START 118.0
HIERARCH ESO ISS PBLA12 END 118.3
HIERARCH ESO ISS PBL13 START 122.471
HIERARCH ESO ISS PBL13 END 121.683
HIERARCH ESO ISS PBLA13 START 93.9
HIERARCH ESO ISS PBLA13 END 94.0
HIERARCH ESO ISS PBL14 START 132.397
HIERARCH ESO ISS PBL14 END 132.419
HIERARCH ESO ISS PBLA14 START 50.67
HIERARCH ESO ISS PBLA14 END 50.743
HIERARCH ESO ISS PBL23 START 58.147
HIERARCH ESO ISS PBL23 END 58.09
HIERARCH ESO ISS PBLA23 START 58.7
HIERARCH ESO ISS PBLA23 END 58.8
HIERARCH ESO ISS PBL24 START 126.003
HIERARCH ESO ISS PBL24 END 126.184
HIERARCH ESO ISS PBLA24 START 13.737
HIERARCH ESO ISS PBLA24 END 14.134
HIERARCH ESO ISS PBL34 START 94.325
HIERARCH ESO ISS PBL34 END 94.157
HIERARCH ESO ISS PBLA34 START 347.892
HIERARCH ESO ISS PBLA34 END 348.444
HIERARCH ESO ISS AMBI TAU0 START 0.005568
HIERARCH ESO ISS AMBI TAU0 END 0.006099
HIERARCH ESO ISS AMBI TEMP 13.21
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.82