Exposure
ID
GRAVI.2023-05-23T07:49:12.423_2
Header ID
GRAVI.2023-05-23T07:49:12.423
Date updated
2023-05-23 08:05:35 UTC+0000
Release date
2024-05-23 08:05:34 UTC+0000
UTC Start
2023-05-23 07:49:12.423
UTC End
2023-05-23 07:55:52.423
MJD Start
60087.32583823
MJD End
60087.3304678596
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0075135
Ambient temperature (°C)
13.55
Seeing (arcsec)
0.45
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 88.6270 88.2190 126.2000 127.3000
A0-J2 124.2160 123.2600 102.7000 103.7000
A0-K0 121.9170 120.8640 80.0030 80.7950
G1-J2 55.5930 55.1690 63.3000 63.9000
G1-K0 88.1100 87.7990 33.4460 34.0190
J2-K0 48.5390 48.5410 358.7030 359.4780
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 60087.32583823
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 88.627
HIERARCH ESO ISS PBL12 END 88.219
HIERARCH ESO ISS PBLA12 START 126.2
HIERARCH ESO ISS PBLA12 END 127.3
HIERARCH ESO ISS PBL13 START 124.216
HIERARCH ESO ISS PBL13 END 123.26
HIERARCH ESO ISS PBLA13 START 102.7
HIERARCH ESO ISS PBLA13 END 103.7
HIERARCH ESO ISS PBL14 START 121.917
HIERARCH ESO ISS PBL14 END 120.864
HIERARCH ESO ISS PBLA14 START 80.003
HIERARCH ESO ISS PBLA14 END 80.795
HIERARCH ESO ISS PBL23 START 55.593
HIERARCH ESO ISS PBL23 END 55.169
HIERARCH ESO ISS PBLA23 START 63.3
HIERARCH ESO ISS PBLA23 END 63.9
HIERARCH ESO ISS PBL24 START 88.11
HIERARCH ESO ISS PBL24 END 87.799
HIERARCH ESO ISS PBLA24 START 33.446
HIERARCH ESO ISS PBLA24 END 34.019
HIERARCH ESO ISS PBL34 START 48.539
HIERARCH ESO ISS PBL34 END 48.541
HIERARCH ESO ISS PBLA34 START 358.703
HIERARCH ESO ISS PBLA34 END 359.478
HIERARCH ESO ISS AMBI TAU0 START 0.006564
HIERARCH ESO ISS AMBI TAU0 END 0.008463
HIERARCH ESO ISS AMBI TEMP 13.55
HIERARCH ESO ISS AMBI FWHM START 0.38
HIERARCH ESO ISS AMBI FWHM END 0.52
HIERARCH ESO FT ROBJ NAME S8DR150888
HIERARCH ESO FT ROBJ ALPHA 175238.795
HIERARCH ESO FT ROBJ DELTA -300625.894