Exposure
ID
GRAVI.2020-12-05T00:50:05.615_1
Header ID
GRAVI.2020-12-05T00:50:05.615
Date updated
2020-12-05 01:00:50 UTC+0000
Release date
2021-12-05 01:00:50 UTC+0000
UTC Start
2020-12-05 00:50:05.615
UTC End
2020-12-05 00:54:05.615
MJD Start
59188.03478721
MJD End
59188.0375649878
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0037995
Ambient temperature (°C)
12.62
Seeing (arcsec)
0.87
Observation
ID
46012
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
34634
Name
HD224974
RA
0.569625
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 85.9160 85.4620 120.7000 121.1000
A0-J2 124.4400 123.7910 96.5000 96.8000
A0-J3 132.1670 132.0390 50.5530 50.7530
G1-J2 57.8740 57.7670 59.2000 59.4000
G1-J3 130.8460 130.9250 12.4220 12.8230
J2-J3 100.5020 100.4000 347.6050 348.1230
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 59188.03478721
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 224974
HIERARCH ESO INS SOBJ NAME HD224974
RA 0.569625
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 85.916
HIERARCH ESO ISS PBL12 END 85.462
HIERARCH ESO ISS PBLA12 START 120.7
HIERARCH ESO ISS PBLA12 END 121.1
HIERARCH ESO ISS PBL13 START 124.44
HIERARCH ESO ISS PBL13 END 123.791
HIERARCH ESO ISS PBLA13 START 96.5
HIERARCH ESO ISS PBLA13 END 96.8
HIERARCH ESO ISS PBL14 START 132.167
HIERARCH ESO ISS PBL14 END 132.039
HIERARCH ESO ISS PBLA14 START 50.553
HIERARCH ESO ISS PBLA14 END 50.753
HIERARCH ESO ISS PBL23 START 57.874
HIERARCH ESO ISS PBL23 END 57.767
HIERARCH ESO ISS PBLA23 START 59.2
HIERARCH ESO ISS PBLA23 END 59.4
HIERARCH ESO ISS PBL24 START 130.846
HIERARCH ESO ISS PBL24 END 130.925
HIERARCH ESO ISS PBLA24 START 12.422
HIERARCH ESO ISS PBLA24 END 12.823
HIERARCH ESO ISS PBL34 START 100.502
HIERARCH ESO ISS PBL34 END 100.4
HIERARCH ESO ISS PBLA34 START 347.605
HIERARCH ESO ISS PBLA34 END 348.123
HIERARCH ESO ISS AMBI TAU0 START 0.003697
HIERARCH ESO ISS AMBI TAU0 END 0.003902
HIERARCH ESO ISS AMBI TEMP 12.62
HIERARCH ESO ISS AMBI FWHM START 0.98
HIERARCH ESO ISS AMBI FWHM END 0.76