Exposure
ID
GRAVI.2021-09-05T06:55:24.817_1
Header ID
GRAVI.2021-09-05T06:55:24.817
Date updated
2021-09-05 07:07:02 UTC+0000
Release date
2022-09-05 07:07:02 UTC+0000
UTC Start
2021-09-05 06:55:24.817
UTC End
2021-09-05 06:59:24.817
MJD Start
59462.28848168
MJD End
59462.2912594578
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.007461
Ambient temperature (°C)
12.75
Seeing (arcsec)
0.53
Observation
ID
48133
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
36118
Name
LL_Aqr
RA
338.674877
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 66.1140 65.1890 127.1000 127.8000
A0-J2 99.1100 97.5520 96.3000 96.5000
A0-J3 127.6130 127.0920 50.2510 50.1220
G1-J2 54.2610 53.9210 57.6000 57.4000
G1-J3 129.7380 129.9090 20.4880 20.7550
J2-J3 92.4610 92.4620 359.7460 0.3640
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 59462.28848168
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME LL_Aqr
HIERARCH ESO INS SOBJ NAME LL_Aqr
RA 338.674877
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 66.114
HIERARCH ESO ISS PBL12 END 65.189
HIERARCH ESO ISS PBLA12 START 127.1
HIERARCH ESO ISS PBLA12 END 127.8
HIERARCH ESO ISS PBL13 START 99.11
HIERARCH ESO ISS PBL13 END 97.552
HIERARCH ESO ISS PBLA13 START 96.3
HIERARCH ESO ISS PBLA13 END 96.5
HIERARCH ESO ISS PBL14 START 127.613
HIERARCH ESO ISS PBL14 END 127.092
HIERARCH ESO ISS PBLA14 START 50.251
HIERARCH ESO ISS PBLA14 END 50.122
HIERARCH ESO ISS PBL23 START 54.261
HIERARCH ESO ISS PBL23 END 53.921
HIERARCH ESO ISS PBLA23 START 57.6
HIERARCH ESO ISS PBLA23 END 57.4
HIERARCH ESO ISS PBL24 START 129.738
HIERARCH ESO ISS PBL24 END 129.909
HIERARCH ESO ISS PBLA24 START 20.488
HIERARCH ESO ISS PBLA24 END 20.755
HIERARCH ESO ISS PBL34 START 92.461
HIERARCH ESO ISS PBL34 END 92.462
HIERARCH ESO ISS PBLA34 START 359.746
HIERARCH ESO ISS PBLA34 END 0.364
HIERARCH ESO ISS AMBI TAU0 START 0.007786
HIERARCH ESO ISS AMBI TAU0 END 0.007136
HIERARCH ESO ISS AMBI TEMP 12.75
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.54