Exposure
ID
GRAVI.2023-05-23T08:19:33.500_2
Header ID
GRAVI.2023-05-23T08:19:33.500
Date updated
2023-05-23 08:35:46 UTC+0000
Release date
2024-05-23 08:35:46 UTC+0000
UTC Start
2023-05-23 08:19:33.500
UTC End
2023-05-23 08:26:13.500
MJD Start
60087.34691551
MJD End
60087.3515451396
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0069405
Ambient temperature (°C)
13.52
Seeing (arcsec)
0.445
Observation
ID
55545
Category
science
Program ID
108.220D.008
Program Title
TOWARDS DETECTION OF SINGLE BLACK HOLES BY MICROLENSING AND INTERFEROMETRY
Program Type
Monitoring
PI / COI
MéRAND/ DONG/ GOULD/ WOILLEZ/ UDALSKI/ MROZ
Target
ID
41141
Name
S8DR150888
RA
268.161645833333
DEC
-30.1071927777778
Instrument
Interferometer
VLTI
Instrument
GRAVITY_FT
Instrument mode
LOW
Instrument sub-mode
DUAL
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 86.6230 86.0910 131.1000 132.3000
A0-J2 119.4970 118.2270 107.1000 108.2000
A0-K0 116.7100 115.2970 83.4650 84.2650
G1-J2 53.4970 52.9280 66.1000 66.7000
G1-K0 86.5780 86.1600 35.8170 36.3110
J2-K0 48.5370 48.5330 2.0830 2.8540
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 108.220D.008
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 60087.34691551
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME OGLE-2023-BLG-0004
HIERARCH ESO INS SOBJ NAME OGLE-2023-BLG-0004
RA 268.16015
DEC -30.10633
HIERARCH ESO INS SPEC RES MEDIUM
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 414.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 86.623
HIERARCH ESO ISS PBL12 END 86.091
HIERARCH ESO ISS PBLA12 START 131.1
HIERARCH ESO ISS PBLA12 END 132.3
HIERARCH ESO ISS PBL13 START 119.497
HIERARCH ESO ISS PBL13 END 118.227
HIERARCH ESO ISS PBLA13 START 107.1
HIERARCH ESO ISS PBLA13 END 108.2
HIERARCH ESO ISS PBL14 START 116.71
HIERARCH ESO ISS PBL14 END 115.297
HIERARCH ESO ISS PBLA14 START 83.465
HIERARCH ESO ISS PBLA14 END 84.265
HIERARCH ESO ISS PBL23 START 53.497
HIERARCH ESO ISS PBL23 END 52.928
HIERARCH ESO ISS PBLA23 START 66.1
HIERARCH ESO ISS PBLA23 END 66.7
HIERARCH ESO ISS PBL24 START 86.578
HIERARCH ESO ISS PBL24 END 86.16
HIERARCH ESO ISS PBLA24 START 35.817
HIERARCH ESO ISS PBLA24 END 36.311
HIERARCH ESO ISS PBL34 START 48.537
HIERARCH ESO ISS PBL34 END 48.533
HIERARCH ESO ISS PBLA34 START 2.083
HIERARCH ESO ISS PBLA34 END 2.854
HIERARCH ESO ISS AMBI TAU0 START 0.006302
HIERARCH ESO ISS AMBI TAU0 END 0.007579
HIERARCH ESO ISS AMBI TEMP 13.52
HIERARCH ESO ISS AMBI FWHM START 0.5
HIERARCH ESO ISS AMBI FWHM END 0.39
HIERARCH ESO FT ROBJ NAME S8DR150888
HIERARCH ESO FT ROBJ ALPHA 175238.795
HIERARCH ESO FT ROBJ DELTA -300625.894