Exposure
ID
GRAVI.2022-09-29T02:38:33.077_1
Header ID
GRAVI.2022-09-29T02:38:33.077
Date updated
2022-09-29 02:51:13 UTC+0000
Release date
2023-09-29 02:51:13 UTC+0000
UTC Start
2022-09-29 02:38:33.077
UTC End
2022-09-29 02:45:13.077
MJD Start
59851.11010506
MJD End
59851.1147346896
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.005
Ambient temperature (°C)
6.62
Seeing (arcsec)
0.615
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 89.7560 89.4000 114.3000 114.5000
A0-J2 129.2210 129.2210 92.5000 92.6000
A0-J3 127.3560 128.1380 47.5450 47.9650
G1-J2 56.6220 56.9490 56.6000 56.9000
G1-J3 123.4320 123.5840 5.6370 6.4060
J2-J3 98.1540 97.7810 339.0250 339.7050
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 59851.11010506
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 89.756
HIERARCH ESO ISS PBL12 END 89.4
HIERARCH ESO ISS PBLA12 START 114.3
HIERARCH ESO ISS PBLA12 END 114.5
HIERARCH ESO ISS PBL13 START 129.221
HIERARCH ESO ISS PBL13 END 129.221
HIERARCH ESO ISS PBLA13 START 92.5
HIERARCH ESO ISS PBLA13 END 92.6
HIERARCH ESO ISS PBL14 START 127.356
HIERARCH ESO ISS PBL14 END 128.138
HIERARCH ESO ISS PBLA14 START 47.545
HIERARCH ESO ISS PBLA14 END 47.965
HIERARCH ESO ISS PBL23 START 56.622
HIERARCH ESO ISS PBL23 END 56.949
HIERARCH ESO ISS PBLA23 START 56.6
HIERARCH ESO ISS PBLA23 END 56.9
HIERARCH ESO ISS PBL24 START 123.432
HIERARCH ESO ISS PBL24 END 123.584
HIERARCH ESO ISS PBLA24 START 5.637
HIERARCH ESO ISS PBLA24 END 6.406
HIERARCH ESO ISS PBL34 START 98.154
HIERARCH ESO ISS PBL34 END 97.781
HIERARCH ESO ISS PBLA34 START 339.025
HIERARCH ESO ISS PBLA34 END 339.705
HIERARCH ESO ISS AMBI TAU0 START 0.005435
HIERARCH ESO ISS AMBI TAU0 END 0.004565
HIERARCH ESO ISS AMBI TEMP 6.62
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.6