Exposure
ID
GRAVI.2021-11-08T04:03:48.201_1
Header ID
GRAVI.2021-11-08T04:03:48.201
Date updated
2021-11-08 04:15:57 UTC+0000
Release date
2022-11-08 04:15:57 UTC+0000
UTC Start
2021-11-08 04:03:48.201
UTC End
2021-11-08 04:07:48.201
MJD Start
59526.16930788
MJD End
59526.1720856578
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.006626
Ambient temperature (°C)
13.05
Seeing (arcsec)
0.655
Observation
ID
48807
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
36558
Name
AK_For
RA
52.345282
DEC
-24.10039
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 88.5740 88.8570 110.6000 111.0000
A0-J2 125.8350 126.3150 86.9000 87.3000
A0-J3 130.6490 130.8740 39.2560 39.8080
G1-J2 57.2110 57.3440 48.4000 48.9000
G1-J3 132.3740 132.3740 359.9060 0.3600
J2-J3 103.6880 103.7400 335.5150 335.8830
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 59526.16930788
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME AK For
HIERARCH ESO INS SOBJ NAME AK_For
RA 52.345282
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 J3
EXPTIME 255.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 88.574
HIERARCH ESO ISS PBL12 END 88.857
HIERARCH ESO ISS PBLA12 START 110.6
HIERARCH ESO ISS PBLA12 END 111.0
HIERARCH ESO ISS PBL13 START 125.835
HIERARCH ESO ISS PBL13 END 126.315
HIERARCH ESO ISS PBLA13 START 86.9
HIERARCH ESO ISS PBLA13 END 87.3
HIERARCH ESO ISS PBL14 START 130.649
HIERARCH ESO ISS PBL14 END 130.874
HIERARCH ESO ISS PBLA14 START 39.256
HIERARCH ESO ISS PBLA14 END 39.808
HIERARCH ESO ISS PBL23 START 57.211
HIERARCH ESO ISS PBL23 END 57.344
HIERARCH ESO ISS PBLA23 START 48.4
HIERARCH ESO ISS PBLA23 END 48.9
HIERARCH ESO ISS PBL24 START 132.374
HIERARCH ESO ISS PBL24 END 132.374
HIERARCH ESO ISS PBLA24 START 359.906
HIERARCH ESO ISS PBLA24 END 0.36
HIERARCH ESO ISS PBL34 START 103.688
HIERARCH ESO ISS PBL34 END 103.74
HIERARCH ESO ISS PBLA34 START 335.515
HIERARCH ESO ISS PBLA34 END 335.883
HIERARCH ESO ISS AMBI TAU0 START 0.007051
HIERARCH ESO ISS AMBI TAU0 END 0.006201
HIERARCH ESO ISS AMBI TEMP 13.05
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.65