Exposure
ID
GRAVI.2020-12-05T04:09:06.115_1
Header ID
GRAVI.2020-12-05T04:09:06.115
Date updated
2021-09-29 14:25:33 UTC+0000
Release date
2021-12-05 04:21:39 UTC+0000
UTC Start
2020-12-05 04:09:06.115
UTC End
2020-12-05 04:13:06.115
MJD Start
59188.17298744
MJD End
59188.1757652178
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.002422
Ambient temperature (°C)
11.54
Seeing (arcsec)
1.22
Observation
ID
46017
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
34639
Name
AK_For
RA
52.345228
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 88.7800 88.5180 122.2000 122.8000
A0-J2 126.1760 125.6890 98.6000 99.0000
A0-J3 130.7960 130.5110 50.9940 51.3280
G1-J2 57.3010 57.1420 60.1000 60.4000
G1-J3 132.3720 132.3600 11.5680 11.9780
J2-J3 103.7310 103.7030 347.1150 347.6170
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 59188.17298744
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME AK_For
HIERARCH ESO INS SOBJ NAME AK_For
RA 52.345228
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 88.78
HIERARCH ESO ISS PBL12 END 88.518
HIERARCH ESO ISS PBLA12 START 122.2
HIERARCH ESO ISS PBLA12 END 122.8
HIERARCH ESO ISS PBL13 START 126.176
HIERARCH ESO ISS PBL13 END 125.689
HIERARCH ESO ISS PBLA13 START 98.6
HIERARCH ESO ISS PBLA13 END 99.0
HIERARCH ESO ISS PBL14 START 130.796
HIERARCH ESO ISS PBL14 END 130.511
HIERARCH ESO ISS PBLA14 START 50.994
HIERARCH ESO ISS PBLA14 END 51.328
HIERARCH ESO ISS PBL23 START 57.301
HIERARCH ESO ISS PBL23 END 57.142
HIERARCH ESO ISS PBLA23 START 60.1
HIERARCH ESO ISS PBLA23 END 60.4
HIERARCH ESO ISS PBL24 START 132.372
HIERARCH ESO ISS PBL24 END 132.36
HIERARCH ESO ISS PBLA24 START 11.568
HIERARCH ESO ISS PBLA24 END 11.978
HIERARCH ESO ISS PBL34 START 103.731
HIERARCH ESO ISS PBL34 END 103.703
HIERARCH ESO ISS PBLA34 START 347.115
HIERARCH ESO ISS PBLA34 END 347.617
HIERARCH ESO ISS AMBI TAU0 START 0.002578
HIERARCH ESO ISS AMBI TAU0 END 0.002266
HIERARCH ESO ISS AMBI TEMP 11.54
HIERARCH ESO ISS AMBI FWHM START 1.15
HIERARCH ESO ISS AMBI FWHM END 1.29