Exposure
ID
GRAVI.2017-03-20T06:37:41.260_1
Header ID
GRAVI.2017-03-20T06:37:41.260
Date updated
2017-03-20 06:50:30 UTC+0000
Release date
2018-03-20 06:50:30 UTC+0000
UTC Start
2017-03-20 06:37:41.260
UTC End
2017-03-20 06:42:41.260
MJD Start
57832.27617199
MJD End
57832.2796442122
Exposure time (s)
300.0
Validation level
1
Tau 0: Coherence time (s)
0.00621
Ambient temperature (°C)
10.3
Seeing (arcsec)
0.61
Observation
ID
40669
Category
science
Program ID
098.D-0488(A)
Program Title
``GRAVITY/VLTI STUDY OF THE MULTIPLICITY AND ASSOCIATED PHYSICS IN MASSIVE STARS
Program Type
GTO
PI / COI
SANCHEZ/ PFUHL/ BRANDNER/ EISENHAUER/ PERRIN/ STRAUBMEIER/ PERRAUT/ AMORIN/ GENZEL/ GILLESEN/ YAZICI/ WAISBERG/ PAUMARD/ KERVELLA
Target
ID
30569
Name
IRAS_13481-6124
RA
207.903057
DEC
-61.65209
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 87.0610 87.0700 110.3000 110.3000
A0-J2 129.1350 129.1370 91.2000 91.2000
A0-K0 125.7210 125.7110 73.6280 73.6700
G1-J2 54.8170 54.8100 59.9000 60.0000
G1-K0 76.3000 76.2890 30.7060 30.7370
J2-K0 39.0710 39.0740 347.4630 347.4900
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 098.D-0488(A)
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 57832.27617199
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME IRAS_13481-6124
HIERARCH ESO INS SOBJ NAME IRAS_13481-6124
RA 207.903057
DEC -61.65209
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 K0
EXPTIME 316.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 10
HIERARCH ESO ISS PBL12 START 87.061
HIERARCH ESO ISS PBL12 END 87.07
HIERARCH ESO ISS PBLA12 START 110.3
HIERARCH ESO ISS PBLA12 END 110.3
HIERARCH ESO ISS PBL13 START 129.135
HIERARCH ESO ISS PBL13 END 129.137
HIERARCH ESO ISS PBLA13 START 91.2
HIERARCH ESO ISS PBLA13 END 91.2
HIERARCH ESO ISS PBL14 START 125.721
HIERARCH ESO ISS PBL14 END 125.711
HIERARCH ESO ISS PBLA14 START 73.628
HIERARCH ESO ISS PBLA14 END 73.67
HIERARCH ESO ISS PBL23 START 54.817
HIERARCH ESO ISS PBL23 END 54.81
HIERARCH ESO ISS PBLA23 START 59.9
HIERARCH ESO ISS PBLA23 END 60.0
HIERARCH ESO ISS PBL24 START 76.3
HIERARCH ESO ISS PBL24 END 76.289
HIERARCH ESO ISS PBLA24 START 30.706
HIERARCH ESO ISS PBLA24 END 30.737
HIERARCH ESO ISS PBL34 START 39.071
HIERARCH ESO ISS PBL34 END 39.074
HIERARCH ESO ISS PBLA34 START 347.463
HIERARCH ESO ISS PBLA34 END 347.49
HIERARCH ESO ISS AMBI TAU0 START 0.00621
HIERARCH ESO ISS AMBI TAU0 END 0.00621
HIERARCH ESO ISS AMBI TEMP 10.3
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.61