Exposure
ID
GRAVI.2021-11-11T03:58:36.725_1
Header ID
GRAVI.2021-11-11T03:58:36.725
Date updated
2021-11-11 04:11:26 UTC+0000
Release date
2022-11-11 04:11:26 UTC+0000
UTC Start
2021-11-11 03:58:36.725
UTC End
2021-11-11 04:02:36.725
MJD Start
59529.16570283
MJD End
59529.1684806078
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0027045
Ambient temperature (°C)
10.95
Seeing (arcsec)
0.815
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 89.0060 89.2540 111.2000 111.6000
A0-J2 126.5670 126.9920 87.6000 88.0000
A0-J3 130.9940 131.2000 40.1120 40.6510
G1-J2 57.4150 57.5350 49.2000 49.8000
G1-J3 132.3740 132.3750 0.6130 1.0690
J2-J3 103.7670 103.8110 336.0910 336.4700
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 59529.16570283
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 89.006
HIERARCH ESO ISS PBL12 END 89.254
HIERARCH ESO ISS PBLA12 START 111.2
HIERARCH ESO ISS PBLA12 END 111.6
HIERARCH ESO ISS PBL13 START 126.567
HIERARCH ESO ISS PBL13 END 126.992
HIERARCH ESO ISS PBLA13 START 87.6
HIERARCH ESO ISS PBLA13 END 88.0
HIERARCH ESO ISS PBL14 START 130.994
HIERARCH ESO ISS PBL14 END 131.2
HIERARCH ESO ISS PBLA14 START 40.112
HIERARCH ESO ISS PBLA14 END 40.651
HIERARCH ESO ISS PBL23 START 57.415
HIERARCH ESO ISS PBL23 END 57.535
HIERARCH ESO ISS PBLA23 START 49.2
HIERARCH ESO ISS PBLA23 END 49.8
HIERARCH ESO ISS PBL24 START 132.374
HIERARCH ESO ISS PBL24 END 132.375
HIERARCH ESO ISS PBLA24 START 0.613
HIERARCH ESO ISS PBLA24 END 1.069
HIERARCH ESO ISS PBL34 START 103.767
HIERARCH ESO ISS PBL34 END 103.811
HIERARCH ESO ISS PBLA34 START 336.091
HIERARCH ESO ISS PBLA34 END 336.47
HIERARCH ESO ISS AMBI TAU0 START 0.002615
HIERARCH ESO ISS AMBI TAU0 END 0.002794
HIERARCH ESO ISS AMBI TEMP 10.95
HIERARCH ESO ISS AMBI FWHM START 0.85
HIERARCH ESO ISS AMBI FWHM END 0.78