Exposure
ID
GRAVI.2021-10-02T06:27:24.686_1
Header ID
GRAVI.2021-10-02T06:27:24.686
Date updated
2021-10-02 06:37:59 UTC+0000
Release date
2022-10-02 06:37:59 UTC+0000
UTC Start
2021-10-02 06:27:24.686
UTC End
2021-10-02 06:31:24.686
MJD Start
59489.26903572
MJD End
59489.2718134978
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0033075
Ambient temperature (°C)
9.65
Seeing (arcsec)
0.69
Observation
ID
48404
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
36293
Name
AK_For
RA
52.344064
DEC
-24.10039
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 88.4400 88.7350 110.5000 110.8000
A0-J2 125.6110 126.1080 86.7000 87.2000
A0-K0 124.7930 125.2130 64.3210 64.8470
G1-J2 57.1480 57.2850 48.1000 48.7000
G1-K0 90.0170 90.0670 19.2050 19.7290
J2-K0 48.6070 48.6160 344.5680 344.9640
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 59489.26903572
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME AK For
HIERARCH ESO INS SOBJ NAME AK_For
RA 52.344064
DEC -24.10039
HIERARCH ESO INS SPEC RES MEDIUM
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 255.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 88.44
HIERARCH ESO ISS PBL12 END 88.735
HIERARCH ESO ISS PBLA12 START 110.5
HIERARCH ESO ISS PBLA12 END 110.8
HIERARCH ESO ISS PBL13 START 125.611
HIERARCH ESO ISS PBL13 END 126.108
HIERARCH ESO ISS PBLA13 START 86.7
HIERARCH ESO ISS PBLA13 END 87.2
HIERARCH ESO ISS PBL14 START 124.793
HIERARCH ESO ISS PBL14 END 125.213
HIERARCH ESO ISS PBLA14 START 64.321
HIERARCH ESO ISS PBLA14 END 64.847
HIERARCH ESO ISS PBL23 START 57.148
HIERARCH ESO ISS PBL23 END 57.285
HIERARCH ESO ISS PBLA23 START 48.1
HIERARCH ESO ISS PBLA23 END 48.7
HIERARCH ESO ISS PBL24 START 90.017
HIERARCH ESO ISS PBL24 END 90.067
HIERARCH ESO ISS PBLA24 START 19.205
HIERARCH ESO ISS PBLA24 END 19.729
HIERARCH ESO ISS PBL34 START 48.607
HIERARCH ESO ISS PBL34 END 48.616
HIERARCH ESO ISS PBLA34 START 344.568
HIERARCH ESO ISS PBLA34 END 344.964
HIERARCH ESO ISS AMBI TAU0 START 0.003114
HIERARCH ESO ISS AMBI TAU0 END 0.003501
HIERARCH ESO ISS AMBI TEMP 9.65
HIERARCH ESO ISS AMBI FWHM START 0.72
HIERARCH ESO ISS AMBI FWHM END 0.66