Exposure
ID
GRAVI.2022-12-19T06:56:56.647_1
Header ID
GRAVI.2022-12-19T06:56:56.647
Date updated
2022-12-19 07:11:10 UTC+0000
Release date
2023-12-19 07:11:10 UTC+0000
UTC Start
2022-12-19 06:56:56.647
UTC End
2022-12-19 07:00:56.647
MJD Start
59932.28954452
MJD End
59932.2923222978
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0027125
Ambient temperature (°C)
10.61
Seeing (arcsec)
0.995
Observation
ID
53494
Category
science
Program ID
108.221X.001
Program Title
HIGH-PRECISION MASSES AND DISTANCES OF SPECTROSCOPIC BINARIES WITH INTERFEROMETRY - PART I
Program Type
Normal
PI / COI
GALLENNE/ PIETRZYNSKI/ GRACZYK/ PILECKI/ KERVELLA/ MÉRAND/ GIEREN
Target
ID
39782
Name
HD70937
RA
126.149718
DEC
-4.71729
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 90.2600 90.1330 114.0000 114.2000
A0-J2 128.9570 129.0920 92.3000 92.4000
A0-K0 125.7040 126.1090 71.4570 71.6070
G1-J2 56.2100 56.4370 55.7000 55.9000
G1-K0 85.1000 85.3460 25.5830 26.0140
J2-K0 46.0990 46.0390 347.8780 348.3210
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 108.221X.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 59932.28954452
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD70937
HIERARCH ESO INS SOBJ NAME HD70937
RA 126.149718
DEC -4.71729
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 K0
EXPTIME 256.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 90.26
HIERARCH ESO ISS PBL12 END 90.133
HIERARCH ESO ISS PBLA12 START 114.0
HIERARCH ESO ISS PBLA12 END 114.2
HIERARCH ESO ISS PBL13 START 128.957
HIERARCH ESO ISS PBL13 END 129.092
HIERARCH ESO ISS PBLA13 START 92.3
HIERARCH ESO ISS PBLA13 END 92.4
HIERARCH ESO ISS PBL14 START 125.704
HIERARCH ESO ISS PBL14 END 126.109
HIERARCH ESO ISS PBLA14 START 71.457
HIERARCH ESO ISS PBLA14 END 71.607
HIERARCH ESO ISS PBL23 START 56.21
HIERARCH ESO ISS PBL23 END 56.437
HIERARCH ESO ISS PBLA23 START 55.7
HIERARCH ESO ISS PBLA23 END 55.9
HIERARCH ESO ISS PBL24 START 85.1
HIERARCH ESO ISS PBL24 END 85.346
HIERARCH ESO ISS PBLA24 START 25.583
HIERARCH ESO ISS PBLA24 END 26.014
HIERARCH ESO ISS PBL34 START 46.099
HIERARCH ESO ISS PBL34 END 46.039
HIERARCH ESO ISS PBLA34 START 347.878
HIERARCH ESO ISS PBLA34 END 348.321
HIERARCH ESO ISS AMBI TAU0 START 0.002842
HIERARCH ESO ISS AMBI TAU0 END 0.002583
HIERARCH ESO ISS AMBI TEMP 10.61
HIERARCH ESO ISS AMBI FWHM START 1.05
HIERARCH ESO ISS AMBI FWHM END 0.94