Exposure
ID
GRAVI.2021-01-19T00:41:36.998_1
Header ID
GRAVI.2021-01-19T00:41:36.998
Date updated
2021-01-19 00:51:55 UTC+0000
Release date
2022-01-19 00:51:55 UTC+0000
UTC Start
2021-01-19 00:41:36.998
UTC End
2021-01-19 00:45:36.998
MJD Start
59233.02890044
MJD End
59233.0316782178
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.004123
Ambient temperature (°C)
13.55
Seeing (arcsec)
1.095
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 90.1380 90.0060 118.6000 119.1000
A0-J2 128.6290 128.3980 95.3000 95.8000
A0-J3 132.1520 132.0330 48.3740 48.7650
G1-J2 58.0680 57.9990 57.4000 57.8000
G1-J3 132.4070 132.4060 8.5340 8.9660
J2-J3 103.9060 103.8860 343.6240 344.0990
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 59233.02890044
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 90.138
HIERARCH ESO ISS PBL12 END 90.006
HIERARCH ESO ISS PBLA12 START 118.6
HIERARCH ESO ISS PBLA12 END 119.1
HIERARCH ESO ISS PBL13 START 128.629
HIERARCH ESO ISS PBL13 END 128.398
HIERARCH ESO ISS PBLA13 START 95.3
HIERARCH ESO ISS PBLA13 END 95.8
HIERARCH ESO ISS PBL14 START 132.152
HIERARCH ESO ISS PBL14 END 132.033
HIERARCH ESO ISS PBLA14 START 48.374
HIERARCH ESO ISS PBLA14 END 48.765
HIERARCH ESO ISS PBL23 START 58.068
HIERARCH ESO ISS PBL23 END 57.999
HIERARCH ESO ISS PBLA23 START 57.4
HIERARCH ESO ISS PBLA23 END 57.8
HIERARCH ESO ISS PBL24 START 132.407
HIERARCH ESO ISS PBL24 END 132.406
HIERARCH ESO ISS PBLA24 START 8.534
HIERARCH ESO ISS PBLA24 END 8.966
HIERARCH ESO ISS PBL34 START 103.906
HIERARCH ESO ISS PBL34 END 103.886
HIERARCH ESO ISS PBLA34 START 343.624
HIERARCH ESO ISS PBLA34 END 344.099
HIERARCH ESO ISS AMBI TAU0 START 0.003826
HIERARCH ESO ISS AMBI TAU0 END 0.00442
HIERARCH ESO ISS AMBI TEMP 13.55
HIERARCH ESO ISS AMBI FWHM START 1.11
HIERARCH ESO ISS AMBI FWHM END 1.08