Exposure
ID
GRAVI.2021-11-12T05:27:58.131_1
Header ID
GRAVI.2021-11-12T05:27:58.131
Date updated
2021-11-12 05:41:24 UTC+0000
Release date
2022-11-12 05:41:24 UTC+0000
UTC Start
2021-11-12 05:27:58.131
UTC End
2021-11-12 05:31:58.131
MJD Start
59530.22775615
MJD End
59530.2305339278
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0029085
Ambient temperature (°C)
13.44
Seeing (arcsec)
0.71
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 89.4510 89.2400 120.7000 121.2000
A0-J2 127.4080 127.0250 97.2000 97.7000
A0-J3 131.4990 131.2850 49.9660 50.3210
G1-J2 57.6950 57.5750 59.0000 59.4000
G1-J3 132.3950 132.3890 10.3390 10.7580
J2-J3 103.8090 103.7830 345.6550 346.1450
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 59530.22775615
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 89.451
HIERARCH ESO ISS PBL12 END 89.24
HIERARCH ESO ISS PBLA12 START 120.7
HIERARCH ESO ISS PBLA12 END 121.2
HIERARCH ESO ISS PBL13 START 127.408
HIERARCH ESO ISS PBL13 END 127.025
HIERARCH ESO ISS PBLA13 START 97.2
HIERARCH ESO ISS PBLA13 END 97.7
HIERARCH ESO ISS PBL14 START 131.499
HIERARCH ESO ISS PBL14 END 131.285
HIERARCH ESO ISS PBLA14 START 49.966
HIERARCH ESO ISS PBLA14 END 50.321
HIERARCH ESO ISS PBL23 START 57.695
HIERARCH ESO ISS PBL23 END 57.575
HIERARCH ESO ISS PBLA23 START 59.0
HIERARCH ESO ISS PBLA23 END 59.4
HIERARCH ESO ISS PBL24 START 132.395
HIERARCH ESO ISS PBL24 END 132.389
HIERARCH ESO ISS PBLA24 START 10.339
HIERARCH ESO ISS PBLA24 END 10.758
HIERARCH ESO ISS PBL34 START 103.809
HIERARCH ESO ISS PBL34 END 103.783
HIERARCH ESO ISS PBLA34 START 345.655
HIERARCH ESO ISS PBLA34 END 346.145
HIERARCH ESO ISS AMBI TAU0 START 0.003244
HIERARCH ESO ISS AMBI TAU0 END 0.002573
HIERARCH ESO ISS AMBI TEMP 13.44
HIERARCH ESO ISS AMBI FWHM START 0.72
HIERARCH ESO ISS AMBI FWHM END 0.7