Exposure
ID
GRAVI.2021-09-06T03:01:26.740_1
Header ID
GRAVI.2021-09-06T03:01:26.740
Date updated
2021-09-06 03:16:21 UTC+0000
Release date
2022-09-06 03:16:21 UTC+0000
UTC Start
2021-09-06 03:01:26.740
UTC End
2021-09-06 03:07:26.740
MJD Start
59463.12600393
MJD End
59463.1301705967
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.004991
Ambient temperature (°C)
14.11
Seeing (arcsec)
0.5
Observation
ID
48139
Category
science
Program ID
107.22R6.002
Program Title
THE BRIGHT NEARBY STAR HR 6819: DOUBLE WITH A BLOATED, STRIPPED PRE-SUBDWARF OR TRIPLE WITH A BLACK HOLE? (SCTYPE-C)
Program Type
ToO
PI / COI
RIVINIUS/ BAADE/ BODENSTEINER/ SHENAR/ SELMAN/ SANA/ REGGIANI/ HEIDA/ KLEMENT/ HADRAVA/ CABEZAS/ FROST
Target
ID
36123
Name
HR6819
RA
274.279356
DEC
-56.02342
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 90.0540 89.9830 150.0000 151.4000
A0-J2 120.0570 119.5130 132.6000 134.2000
A0-J3 94.8320 93.4040 82.4380 83.6400
G1-J2 43.4380 42.8360 94.4000 95.7000
G1-J3 102.8680 102.2450 28.4310 29.1060
J2-J3 93.9410 93.8940 3.4540 4.3420
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 107.22R6.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 59463.12600393
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HR_6819
HIERARCH ESO INS SOBJ NAME HR6819
RA 274.279356
DEC -56.02342
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
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 377.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 90.054
HIERARCH ESO ISS PBL12 END 89.983
HIERARCH ESO ISS PBLA12 START 150.0
HIERARCH ESO ISS PBLA12 END 151.4
HIERARCH ESO ISS PBL13 START 120.057
HIERARCH ESO ISS PBL13 END 119.513
HIERARCH ESO ISS PBLA13 START 132.6
HIERARCH ESO ISS PBLA13 END 134.2
HIERARCH ESO ISS PBL14 START 94.832
HIERARCH ESO ISS PBL14 END 93.404
HIERARCH ESO ISS PBLA14 START 82.438
HIERARCH ESO ISS PBLA14 END 83.64
HIERARCH ESO ISS PBL23 START 43.438
HIERARCH ESO ISS PBL23 END 42.836
HIERARCH ESO ISS PBLA23 START 94.4
HIERARCH ESO ISS PBLA23 END 95.7
HIERARCH ESO ISS PBL24 START 102.868
HIERARCH ESO ISS PBL24 END 102.245
HIERARCH ESO ISS PBLA24 START 28.431
HIERARCH ESO ISS PBLA24 END 29.106
HIERARCH ESO ISS PBL34 START 93.941
HIERARCH ESO ISS PBL34 END 93.894
HIERARCH ESO ISS PBLA34 START 3.454
HIERARCH ESO ISS PBLA34 END 4.342
HIERARCH ESO ISS AMBI TAU0 START 0.004507
HIERARCH ESO ISS AMBI TAU0 END 0.005475
HIERARCH ESO ISS AMBI TEMP 14.11
HIERARCH ESO ISS AMBI FWHM START 0.51
HIERARCH ESO ISS AMBI FWHM END 0.49