Exposure
ID
GRAVI.2021-01-18T01:08:55.450_1
Header ID
GRAVI.2021-01-18T01:08:55.450
Date updated
2021-01-18 01:21:29 UTC+0000
Release date
2022-01-18 01:21:29 UTC+0000
UTC Start
2021-01-18 01:08:55.450
UTC End
2021-01-18 01:12:55.450
MJD Start
59232.047864
MJD End
59232.0506417778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0018935
Ambient temperature (°C)
11.3
Seeing (arcsec)
2.31
Observation
ID
46399
Category
science
Program ID
106.210E.002
Program Title
HIGH-PRECISION MASSES AND DISTANCES OF SPECTROSCOPIC BINARIES WITH INTERFEROMETRY - PART I BIS
Program Type
Normal
PI / COI
GALLENNE/ PIETRZYNSKI/ GRACZYK/ PILECKI/ KERVELLA/ M\XC3\XA9RAND/ GIEREN
Target
ID
34885
Name
AK_For
RA
52.34523
DEC
-24.10041
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 89.1830 88.9490 121.3000 121.9000
A0-J2 126.9190 126.4890 97.8000 98.2000
A0-J3 131.2230 130.9770 50.4140 50.7620
G1-J2 57.5400 57.4020 59.5000 59.9000
G1-J3 132.3870 132.3780 10.8680 11.2850
J2-J3 103.7770 103.7500 346.2750 346.7730
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 106.210E.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 59232.047864
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME AK_For
HIERARCH ESO INS SOBJ NAME AK_For
RA 52.34523
DEC -24.10041
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 89.183
HIERARCH ESO ISS PBL12 END 88.949
HIERARCH ESO ISS PBLA12 START 121.3
HIERARCH ESO ISS PBLA12 END 121.9
HIERARCH ESO ISS PBL13 START 126.919
HIERARCH ESO ISS PBL13 END 126.489
HIERARCH ESO ISS PBLA13 START 97.8
HIERARCH ESO ISS PBLA13 END 98.2
HIERARCH ESO ISS PBL14 START 131.223
HIERARCH ESO ISS PBL14 END 130.977
HIERARCH ESO ISS PBLA14 START 50.414
HIERARCH ESO ISS PBLA14 END 50.762
HIERARCH ESO ISS PBL23 START 57.54
HIERARCH ESO ISS PBL23 END 57.402
HIERARCH ESO ISS PBLA23 START 59.5
HIERARCH ESO ISS PBLA23 END 59.9
HIERARCH ESO ISS PBL24 START 132.387
HIERARCH ESO ISS PBL24 END 132.378
HIERARCH ESO ISS PBLA24 START 10.868
HIERARCH ESO ISS PBLA24 END 11.285
HIERARCH ESO ISS PBL34 START 103.777
HIERARCH ESO ISS PBL34 END 103.75
HIERARCH ESO ISS PBLA34 START 346.275
HIERARCH ESO ISS PBLA34 END 346.773
HIERARCH ESO ISS AMBI TAU0 START 0.001896
HIERARCH ESO ISS AMBI TAU0 END 0.001891
HIERARCH ESO ISS AMBI TEMP 11.3
HIERARCH ESO ISS AMBI FWHM START 2.45
HIERARCH ESO ISS AMBI FWHM END 2.17