Exposure
ID
GRAVI.2023-05-23T08:33:57.536_1
Header ID
GRAVI.2023-05-23T08:33:57.536
Date updated
2023-05-23 08:50:34 UTC+0000
Release date
2024-05-23 08:50:34 UTC+0000
UTC Start
2023-05-23 08:33:57.536
UTC End
2023-05-23 08:40:37.536
MJD Start
60087.35691593
MJD End
60087.3615455596
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.004906
Ambient temperature (°C)
13.54
Seeing (arcsec)
0.53
Observation
ID
55544
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
41140
Name
OGLE-2023-BLG-0004
RA
268.16015
DEC
-30.10633
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
DUAL
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 85.4990 84.9250 133.6000 134.8000
A0-J2 116.7990 115.3960 109.4000 110.5000
A0-K0 113.7000 112.1210 85.1230 85.9340
G1-J2 52.2840 51.6450 67.3000 67.9000
G1-K0 85.6870 85.2150 36.8180 37.2740
J2-K0 48.5270 48.5210 3.6740 4.4400
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 60087.35691593
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 85.499
HIERARCH ESO ISS PBL12 END 84.925
HIERARCH ESO ISS PBLA12 START 133.6
HIERARCH ESO ISS PBLA12 END 134.8
HIERARCH ESO ISS PBL13 START 116.799
HIERARCH ESO ISS PBL13 END 115.396
HIERARCH ESO ISS PBLA13 START 109.4
HIERARCH ESO ISS PBLA13 END 110.5
HIERARCH ESO ISS PBL14 START 113.7
HIERARCH ESO ISS PBL14 END 112.121
HIERARCH ESO ISS PBLA14 START 85.123
HIERARCH ESO ISS PBLA14 END 85.934
HIERARCH ESO ISS PBL23 START 52.284
HIERARCH ESO ISS PBL23 END 51.645
HIERARCH ESO ISS PBLA23 START 67.3
HIERARCH ESO ISS PBLA23 END 67.9
HIERARCH ESO ISS PBL24 START 85.687
HIERARCH ESO ISS PBL24 END 85.215
HIERARCH ESO ISS PBLA24 START 36.818
HIERARCH ESO ISS PBLA24 END 37.274
HIERARCH ESO ISS PBL34 START 48.527
HIERARCH ESO ISS PBL34 END 48.521
HIERARCH ESO ISS PBLA34 START 3.674
HIERARCH ESO ISS PBLA34 END 4.44
HIERARCH ESO ISS AMBI TAU0 START 0.005939
HIERARCH ESO ISS AMBI TAU0 END 0.003873
HIERARCH ESO ISS AMBI TEMP 13.54
HIERARCH ESO ISS AMBI FWHM START 0.51
HIERARCH ESO ISS AMBI FWHM END 0.55
HIERARCH ESO FT ROBJ NAME S8DR150888
HIERARCH ESO FT ROBJ ALPHA 175238.795
HIERARCH ESO FT ROBJ DELTA -300625.894