Exposure
ID
GRAVI.2022-01-25T01:47:05.242_2
Header ID
GRAVI.2022-01-25T01:47:05.242
Date updated
2022-01-25 02:00:27 UTC+0000
Release date
2023-01-25 02:00:27 UTC+0000
UTC Start
2022-01-25 01:47:05.242
UTC End
2022-01-25 01:52:05.242
MJD Start
59604.07436623
MJD End
59604.0778384522
Exposure time (s)
300.0
Validation level
1
Tau 0: Coherence time (s)
0.005152
Ambient temperature (°C)
14.42
Seeing (arcsec)
0.695
Observation
ID
46631
Category
science
Program ID
106.219S.001
Program Title
ASTROMETRIC PRECISION-WEIGHING A NON-ACCRETING STELLAR-MASS BLACK HOLE
Program Type
Normal
PI / COI
RIVINIUS/ BAADE/ HEIDA/ HADRAVA/ TRISTRAM
Target
ID
35011
Name
LB-1
RA
92.9544833333333
DEC
22.8257461111111
Instrument
Interferometer
VLTI
Instrument
GRAVITY_FT
Instrument mode
LOW
Instrument sub-mode
DUAL
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 37.9430 38.4640 31.1000 31.8000
U1-U3 70.9060 72.0430 40.1000 40.6000
U1-U4 110.1250 111.6750 71.9140 71.6020
U2-U3 33.9480 34.5310 50.2000 50.4000
U2-U4 85.0850 85.7190 88.8520 88.2860
U3-U4 62.3130 62.1960 108.7640 108.2230
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 106.219S.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 59604.07436623
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME LB-1
HIERARCH ESO INS SOBJ NAME Sky
RA 92.956439
DEC 22.82573
HIERARCH ESO INS SPEC RES LOW
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 U1
HIERARCH ESO ISS CONF STATION2 U2
HIERARCH ESO ISS CONF STATION3 U3
HIERARCH ESO ISS CONF STATION4 U4
EXPTIME 354.0
HIERARCH ESO DET2 SEQ1 DIT 1.0
HIERARCH ESO DET2 NDIT 300
HIERARCH ESO ISS PBL12 START 37.943
HIERARCH ESO ISS PBL12 END 38.464
HIERARCH ESO ISS PBLA12 START 31.1
HIERARCH ESO ISS PBLA12 END 31.8
HIERARCH ESO ISS PBL13 START 70.906
HIERARCH ESO ISS PBL13 END 72.043
HIERARCH ESO ISS PBLA13 START 40.1
HIERARCH ESO ISS PBLA13 END 40.6
HIERARCH ESO ISS PBL14 START 110.125
HIERARCH ESO ISS PBL14 END 111.675
HIERARCH ESO ISS PBLA14 START 71.914
HIERARCH ESO ISS PBLA14 END 71.602
HIERARCH ESO ISS PBL23 START 33.948
HIERARCH ESO ISS PBL23 END 34.531
HIERARCH ESO ISS PBLA23 START 50.2
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 85.085
HIERARCH ESO ISS PBL24 END 85.719
HIERARCH ESO ISS PBLA24 START 88.852
HIERARCH ESO ISS PBLA24 END 88.286
HIERARCH ESO ISS PBL34 START 62.313
HIERARCH ESO ISS PBL34 END 62.196
HIERARCH ESO ISS PBLA34 START 108.764
HIERARCH ESO ISS PBLA34 END 108.223
HIERARCH ESO ISS AMBI TAU0 START 0.0049
HIERARCH ESO ISS AMBI TAU0 END 0.005404
HIERARCH ESO ISS AMBI TEMP 14.42
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.79
HIERARCH ESO FT ROBJ NAME LB-1
HIERARCH ESO FT ROBJ ALPHA 061149.076
HIERARCH ESO FT ROBJ DELTA 224932.686