Exposure
ID
GRAVI.2021-10-04T04:17:31.686_1
Header ID
GRAVI.2021-10-04T04:17:31.686
Date updated
2021-10-04 04:30:32 UTC+0000
Release date
2022-10-04 04:30:32 UTC+0000
UTC Start
2021-10-04 04:17:31.686
UTC End
2021-10-04 04:21:31.686
MJD Start
59491.17883896
MJD End
59491.1816167378
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0040535
Ambient temperature (°C)
12.31
Seeing (arcsec)
0.62
Observation
ID
48421
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
36306
Name
LL_Aqr
RA
338.673764
DEC
-3.5996
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 75.0360 74.2310 121.5000 122.0000
A0-J2 113.0200 111.8460 94.9000 95.0000
A0-K0 120.1980 119.4030 72.9660 72.9140
G1-J2 56.9630 56.7650 58.7000 58.6000
G1-K0 90.2340 90.2990 34.3930 34.5180
J2-K0 44.8980 44.9170 2.9510 3.4560
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 59491.17883896
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME LL_Aqr
HIERARCH ESO INS SOBJ NAME LL_Aqr
RA 338.673764
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 K0
EXPTIME 255.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 75.036
HIERARCH ESO ISS PBL12 END 74.231
HIERARCH ESO ISS PBLA12 START 121.5
HIERARCH ESO ISS PBLA12 END 122.0
HIERARCH ESO ISS PBL13 START 113.02
HIERARCH ESO ISS PBL13 END 111.846
HIERARCH ESO ISS PBLA13 START 94.9
HIERARCH ESO ISS PBLA13 END 95.0
HIERARCH ESO ISS PBL14 START 120.198
HIERARCH ESO ISS PBL14 END 119.403
HIERARCH ESO ISS PBLA14 START 72.966
HIERARCH ESO ISS PBLA14 END 72.914
HIERARCH ESO ISS PBL23 START 56.963
HIERARCH ESO ISS PBL23 END 56.765
HIERARCH ESO ISS PBLA23 START 58.7
HIERARCH ESO ISS PBLA23 END 58.6
HIERARCH ESO ISS PBL24 START 90.234
HIERARCH ESO ISS PBL24 END 90.299
HIERARCH ESO ISS PBLA24 START 34.393
HIERARCH ESO ISS PBLA24 END 34.518
HIERARCH ESO ISS PBL34 START 44.898
HIERARCH ESO ISS PBL34 END 44.917
HIERARCH ESO ISS PBLA34 START 2.951
HIERARCH ESO ISS PBLA34 END 3.456
HIERARCH ESO ISS AMBI TAU0 START 0.003931
HIERARCH ESO ISS AMBI TAU0 END 0.004176
HIERARCH ESO ISS AMBI TEMP 12.31
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.64