Exposure
ID
GRAVI.2021-11-08T01:27:36.822_1
Header ID
GRAVI.2021-11-08T01:27:36.822
Date updated
2021-11-08 01:41:01 UTC+0000
Release date
2022-11-08 01:41:00 UTC+0000
UTC Start
2021-11-08 01:27:36.822
UTC End
2021-11-08 01:31:36.822
MJD Start
59526.06084285
MJD End
59526.0636206278
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0067115
Ambient temperature (°C)
13.1
Seeing (arcsec)
0.815
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 80.6390 79.9580 118.7000 119.0000
A0-J2 120.6900 119.8100 94.1000 94.2000
A0-J3 132.4100 132.3720 50.8200 50.8720
G1-J2 58.0040 57.9150 58.8000 58.8000
G1-J3 126.4030 126.5890 14.6030 14.9870
J2-J3 93.9660 93.8130 349.1120 349.6770
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 59526.06084285
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 80.639
HIERARCH ESO ISS PBL12 END 79.958
HIERARCH ESO ISS PBLA12 START 118.7
HIERARCH ESO ISS PBLA12 END 119.0
HIERARCH ESO ISS PBL13 START 120.69
HIERARCH ESO ISS PBL13 END 119.81
HIERARCH ESO ISS PBLA13 START 94.1
HIERARCH ESO ISS PBLA13 END 94.2
HIERARCH ESO ISS PBL14 START 132.41
HIERARCH ESO ISS PBL14 END 132.372
HIERARCH ESO ISS PBLA14 START 50.82
HIERARCH ESO ISS PBLA14 END 50.872
HIERARCH ESO ISS PBL23 START 58.004
HIERARCH ESO ISS PBL23 END 57.915
HIERARCH ESO ISS PBLA23 START 58.8
HIERARCH ESO ISS PBLA23 END 58.8
HIERARCH ESO ISS PBL24 START 126.403
HIERARCH ESO ISS PBL24 END 126.589
HIERARCH ESO ISS PBLA24 START 14.603
HIERARCH ESO ISS PBLA24 END 14.987
HIERARCH ESO ISS PBL34 START 93.966
HIERARCH ESO ISS PBL34 END 93.813
HIERARCH ESO ISS PBLA34 START 349.112
HIERARCH ESO ISS PBLA34 END 349.677
HIERARCH ESO ISS AMBI TAU0 START 0.007216
HIERARCH ESO ISS AMBI TAU0 END 0.006207
HIERARCH ESO ISS AMBI TEMP 13.1
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.87