Exposure
ID
GRAVI.2021-09-07T07:20:35.939_1
Header ID
GRAVI.2021-09-07T07:20:35.939
Date updated
2021-09-07 07:35:47 UTC+0000
Release date
2022-09-07 07:35:47 UTC+0000
UTC Start
2021-09-07 07:20:35.939
UTC End
2021-09-07 07:24:35.939
MJD Start
59464.30597152
MJD End
59464.3087492978
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.001621
Ambient temperature (°C)
7.43
Seeing (arcsec)
0.8
Observation
ID
48147
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
36131
Name
HD224974
RA
0.569675
DEC
-13.40728
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 81.0400 80.4340 125.1000 125.6000
A0-J2 116.9240 115.9190 99.3000 99.7000
A0-J3 129.9540 129.5760 52.0630 52.1790
G1-J2 56.3300 56.0890 60.6000 60.7000
G1-J3 131.5700 131.6440 15.9630 16.3190
J2-J3 99.6800 99.6130 352.5680 353.1220
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 59464.30597152
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 224974
HIERARCH ESO INS SOBJ NAME HD224974
RA 0.569675
DEC -13.40728
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 81.04
HIERARCH ESO ISS PBL12 END 80.434
HIERARCH ESO ISS PBLA12 START 125.1
HIERARCH ESO ISS PBLA12 END 125.6
HIERARCH ESO ISS PBL13 START 116.924
HIERARCH ESO ISS PBL13 END 115.919
HIERARCH ESO ISS PBLA13 START 99.3
HIERARCH ESO ISS PBLA13 END 99.7
HIERARCH ESO ISS PBL14 START 129.954
HIERARCH ESO ISS PBL14 END 129.576
HIERARCH ESO ISS PBLA14 START 52.063
HIERARCH ESO ISS PBLA14 END 52.179
HIERARCH ESO ISS PBL23 START 56.33
HIERARCH ESO ISS PBL23 END 56.089
HIERARCH ESO ISS PBLA23 START 60.6
HIERARCH ESO ISS PBLA23 END 60.7
HIERARCH ESO ISS PBL24 START 131.57
HIERARCH ESO ISS PBL24 END 131.644
HIERARCH ESO ISS PBLA24 START 15.963
HIERARCH ESO ISS PBLA24 END 16.319
HIERARCH ESO ISS PBL34 START 99.68
HIERARCH ESO ISS PBL34 END 99.613
HIERARCH ESO ISS PBLA34 START 352.568
HIERARCH ESO ISS PBLA34 END 353.122
HIERARCH ESO ISS AMBI TAU0 START 0.001621
HIERARCH ESO ISS AMBI TAU0 END 0.001621
HIERARCH ESO ISS AMBI TEMP 7.43
HIERARCH ESO ISS AMBI FWHM START 0.8
HIERARCH ESO ISS AMBI FWHM END 0.8