Exposure
ID
GRAVI.2021-11-17T01:33:46.505_1
Header ID
GRAVI.2021-11-17T01:33:46.505
Date updated
2021-11-17 01:46:03 UTC+0000
Release date
2022-11-17 01:46:03 UTC+0000
UTC Start
2021-11-17 01:33:46.505
UTC End
2021-11-17 01:37:46.505
MJD Start
59535.06512158
MJD End
59535.0678993578
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.004107
Ambient temperature (°C)
12.83
Seeing (arcsec)
0.955
Observation
ID
48893
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
36605
Name
LL_Aqr
RA
338.673766
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 73.2600 72.4290 122.5000 123.0000
A0-J2 110.4090 109.1600 95.1000 95.3000
A0-K0 118.4140 117.5420 72.8450 72.7780
G1-J2 56.5130 56.2860 58.5000 58.5000
G1-K0 90.3630 90.4060 34.6550 34.7590
J2-K0 44.9440 44.9700 4.0530 4.5540
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 59535.06512158
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME LL_Aqr
HIERARCH ESO INS SOBJ NAME LL_Aqr
RA 338.673766
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 73.26
HIERARCH ESO ISS PBL12 END 72.429
HIERARCH ESO ISS PBLA12 START 122.5
HIERARCH ESO ISS PBLA12 END 123.0
HIERARCH ESO ISS PBL13 START 110.409
HIERARCH ESO ISS PBL13 END 109.16
HIERARCH ESO ISS PBLA13 START 95.1
HIERARCH ESO ISS PBLA13 END 95.3
HIERARCH ESO ISS PBL14 START 118.414
HIERARCH ESO ISS PBL14 END 117.542
HIERARCH ESO ISS PBLA14 START 72.845
HIERARCH ESO ISS PBLA14 END 72.778
HIERARCH ESO ISS PBL23 START 56.513
HIERARCH ESO ISS PBL23 END 56.286
HIERARCH ESO ISS PBLA23 START 58.5
HIERARCH ESO ISS PBLA23 END 58.5
HIERARCH ESO ISS PBL24 START 90.363
HIERARCH ESO ISS PBL24 END 90.406
HIERARCH ESO ISS PBLA24 START 34.655
HIERARCH ESO ISS PBLA24 END 34.759
HIERARCH ESO ISS PBL34 START 44.944
HIERARCH ESO ISS PBL34 END 44.97
HIERARCH ESO ISS PBLA34 START 4.053
HIERARCH ESO ISS PBLA34 END 4.554
HIERARCH ESO ISS AMBI TAU0 START 0.003953
HIERARCH ESO ISS AMBI TAU0 END 0.004261
HIERARCH ESO ISS AMBI TEMP 12.83
HIERARCH ESO ISS AMBI FWHM START 1.02
HIERARCH ESO ISS AMBI FWHM END 0.89