Exposure
ID
GRAVI.2023-06-09T03:52:08.800_1
Header ID
GRAVI.2023-06-09T03:52:08.800
Date updated
2023-06-09 04:05:58 UTC+0000
Release date
2023-06-09 04:05:58 UTC+0000
UTC Start
2023-06-09 03:52:08.800
UTC End
2023-06-09 03:58:08.800
MJD Start
60104.16121296
MJD End
60104.1653796267
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.020146
Ambient temperature (°C)
13.27
Seeing (arcsec)
0.415
Observation
ID
55725
Category
science
Program ID
110.24B5.003
Program Title
THE FORMATION OF MASSIVE BINARY STARS: A VIEW AT AU SCALES
Program Type
DDT
PI / COI
OUDMAIJER/ KOUTOULAKI/ KOUMPIA/ FROST/ DE WIT/ GOODWIN/ SHENTON/ LUMSDEN
Target
ID
41276
Name
G018.1968-00.1709
RA
276.177139
DEC
-13.16502
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
DUAL
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 24.7880 24.8790 135.1000 135.3000
A0-D0 27.1860 27.5730 59.8000 60.7000
A0-C1 20.7590 20.9790 110.1960 110.3330
B2-D0 31.8060 31.8680 10.9000 11.8000
B2-C1 10.5960 10.6170 10.8670 11.7850
D0-C1 21.2100 21.2510 190.9290 191.8470
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 110.24B5.003
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 60104.16121296
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME G018.1968-00.1709
HIERARCH ESO INS SOBJ NAME G018.1968-00.1709
RA 276.177139
DEC -13.16502
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 377.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 24.788
HIERARCH ESO ISS PBL12 END 24.879
HIERARCH ESO ISS PBLA12 START 135.1
HIERARCH ESO ISS PBLA12 END 135.3
HIERARCH ESO ISS PBL13 START 27.186
HIERARCH ESO ISS PBL13 END 27.573
HIERARCH ESO ISS PBLA13 START 59.8
HIERARCH ESO ISS PBLA13 END 60.7
HIERARCH ESO ISS PBL14 START 20.759
HIERARCH ESO ISS PBL14 END 20.979
HIERARCH ESO ISS PBLA14 START 110.196
HIERARCH ESO ISS PBLA14 END 110.333
HIERARCH ESO ISS PBL23 START 31.806
HIERARCH ESO ISS PBL23 END 31.868
HIERARCH ESO ISS PBLA23 START 10.9
HIERARCH ESO ISS PBLA23 END 11.8
HIERARCH ESO ISS PBL24 START 10.596
HIERARCH ESO ISS PBL24 END 10.617
HIERARCH ESO ISS PBLA24 START 10.867
HIERARCH ESO ISS PBLA24 END 11.785
HIERARCH ESO ISS PBL34 START 21.21
HIERARCH ESO ISS PBL34 END 21.251
HIERARCH ESO ISS PBLA34 START 190.929
HIERARCH ESO ISS PBLA34 END 191.847
HIERARCH ESO ISS AMBI TAU0 START 0.02046
HIERARCH ESO ISS AMBI TAU0 END 0.019832
HIERARCH ESO ISS AMBI TEMP 13.27
HIERARCH ESO ISS AMBI FWHM START 0.45
HIERARCH ESO ISS AMBI FWHM END 0.38
HIERARCH ESO FT ROBJ NAME 2MASS18244262-131000
HIERARCH ESO FT ROBJ ALPHA 182442.623
HIERARCH ESO FT ROBJ DELTA -131000.940