Exposure
ID
GRAVI.2021-09-10T06:09:35.276_1
Header ID
GRAVI.2021-09-10T06:09:35.276
Date updated
2021-09-10 06:21:54 UTC+0000
Release date
2022-09-10 06:21:54 UTC+0000
UTC Start
2021-09-10 06:09:35.276
UTC End
2021-09-10 06:13:35.276
MJD Start
59467.25665829
MJD End
59467.2594360678
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0061995
Ambient temperature (°C)
11.18
Seeing (arcsec)
0.52
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 87.7540 87.3910 118.8000 119.2000
A0-J2 126.9090 126.4470 95.3000 95.6000
A0-J3 132.4200 132.4120 49.5120 49.7550
G1-J2 58.1850 58.1430 58.3000 58.5000
G1-J3 130.4870 130.5620 10.5210 10.9410
J2-J3 101.0030 100.8900 345.2820 345.7770
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 59467.25665829
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 87.754
HIERARCH ESO ISS PBL12 END 87.391
HIERARCH ESO ISS PBLA12 START 118.8
HIERARCH ESO ISS PBLA12 END 119.2
HIERARCH ESO ISS PBL13 START 126.909
HIERARCH ESO ISS PBL13 END 126.447
HIERARCH ESO ISS PBLA13 START 95.3
HIERARCH ESO ISS PBLA13 END 95.6
HIERARCH ESO ISS PBL14 START 132.42
HIERARCH ESO ISS PBL14 END 132.412
HIERARCH ESO ISS PBLA14 START 49.512
HIERARCH ESO ISS PBLA14 END 49.755
HIERARCH ESO ISS PBL23 START 58.185
HIERARCH ESO ISS PBL23 END 58.143
HIERARCH ESO ISS PBLA23 START 58.3
HIERARCH ESO ISS PBLA23 END 58.5
HIERARCH ESO ISS PBL24 START 130.487
HIERARCH ESO ISS PBL24 END 130.562
HIERARCH ESO ISS PBLA24 START 10.521
HIERARCH ESO ISS PBLA24 END 10.941
HIERARCH ESO ISS PBL34 START 101.003
HIERARCH ESO ISS PBL34 END 100.89
HIERARCH ESO ISS PBLA34 START 345.282
HIERARCH ESO ISS PBLA34 END 345.777
HIERARCH ESO ISS AMBI TAU0 START 0.006776
HIERARCH ESO ISS AMBI TAU0 END 0.005623
HIERARCH ESO ISS AMBI TEMP 11.18
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.58