Exposure
ID
GRAVI.2022-09-29T03:18:51.179_1
Header ID
GRAVI.2022-09-29T03:18:51.179
Date updated
2022-09-29 03:31:15 UTC+0000
Release date
2023-09-29 03:31:15 UTC+0000
UTC Start
2022-09-29 03:18:51.179
UTC End
2022-09-29 03:25:31.179
MJD Start
59851.13809235
MJD End
59851.1427219796
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0046645
Ambient temperature (°C)
6.46
Seeing (arcsec)
0.725
Observation
ID
52539
Category
science
Program ID
109.22XY.002
Program Title
HIGH-PRECISION MASSES AND DISTANCES OF SPECTROSCOPIC BINARIES WITH INTERFEROMETRY - PART II
Program Type
Normal
PI / COI
GALLENNE/ PIETRZYNSKI/ GRACZYK/ PILECKI/ GIEREN/ KERVELLA/ MÉRAND
Target
ID
39047
Name
LL_Aqr
RA
338.674894
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 86.7660 86.0330 115.8000 116.1000
A0-J2 127.5700 126.8870 93.2000 93.3000
A0-J3 131.0230 131.4310 49.5970 49.8540
G1-J2 58.0080 58.1190 58.1000 58.3000
G1-J3 124.5470 124.7890 10.0030 10.7190
J2-J3 96.0390 95.6970 343.2960 344.1010
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 109.22XY.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 59851.13809235
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME LL Aqr
HIERARCH ESO INS SOBJ NAME LL_Aqr
RA 338.674894
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 414.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 86.766
HIERARCH ESO ISS PBL12 END 86.033
HIERARCH ESO ISS PBLA12 START 115.8
HIERARCH ESO ISS PBLA12 END 116.1
HIERARCH ESO ISS PBL13 START 127.57
HIERARCH ESO ISS PBL13 END 126.887
HIERARCH ESO ISS PBLA13 START 93.2
HIERARCH ESO ISS PBLA13 END 93.3
HIERARCH ESO ISS PBL14 START 131.023
HIERARCH ESO ISS PBL14 END 131.431
HIERARCH ESO ISS PBLA14 START 49.597
HIERARCH ESO ISS PBLA14 END 49.854
HIERARCH ESO ISS PBL23 START 58.008
HIERARCH ESO ISS PBL23 END 58.119
HIERARCH ESO ISS PBLA23 START 58.1
HIERARCH ESO ISS PBLA23 END 58.3
HIERARCH ESO ISS PBL24 START 124.547
HIERARCH ESO ISS PBL24 END 124.789
HIERARCH ESO ISS PBLA24 START 10.003
HIERARCH ESO ISS PBLA24 END 10.719
HIERARCH ESO ISS PBL34 START 96.039
HIERARCH ESO ISS PBL34 END 95.697
HIERARCH ESO ISS PBLA34 START 343.296
HIERARCH ESO ISS PBLA34 END 344.101
HIERARCH ESO ISS AMBI TAU0 START 0.004342
HIERARCH ESO ISS AMBI TAU0 END 0.004987
HIERARCH ESO ISS AMBI TEMP 6.46
HIERARCH ESO ISS AMBI FWHM START 0.77
HIERARCH ESO ISS AMBI FWHM END 0.68