Exposure
ID
GRAVI.2023-05-23T06:57:21.291_1
Header ID
GRAVI.2023-05-23T06:57:21.291
Date updated
2023-05-23 07:12:48 UTC+0000
Release date
2024-05-23 07:12:48 UTC+0000
UTC Start
2023-05-23 06:57:21.291
UTC End
2023-05-23 07:04:01.291
MJD Start
60087.28982976
MJD End
60087.2944593896
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0080895
Ambient temperature (°C)
13.66
Seeing (arcsec)
0.35
Observation
ID
55542
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
41138
Name
Gaia23bkf
RA
281.410184
DEC
-5.7306
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 90.4690 90.3610 113.8000 114.0000
A0-J2 128.4810 128.8430 92.0000 92.1000
A0-K0 124.8020 125.5600 70.8980 71.1900
G1-J2 55.8080 56.2020 54.9000 55.3000
G1-K0 85.0020 85.3880 24.4380 25.1730
J2-K0 46.4690 46.3730 346.9700 347.6720
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 60087.28982976
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME Gaia23bkf
HIERARCH ESO INS SOBJ NAME Gaia23bkf
RA 281.410184
DEC -5.7306
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 90.469
HIERARCH ESO ISS PBL12 END 90.361
HIERARCH ESO ISS PBLA12 START 113.8
HIERARCH ESO ISS PBLA12 END 114.0
HIERARCH ESO ISS PBL13 START 128.481
HIERARCH ESO ISS PBL13 END 128.843
HIERARCH ESO ISS PBLA13 START 92.0
HIERARCH ESO ISS PBLA13 END 92.1
HIERARCH ESO ISS PBL14 START 124.802
HIERARCH ESO ISS PBL14 END 125.56
HIERARCH ESO ISS PBLA14 START 70.898
HIERARCH ESO ISS PBLA14 END 71.19
HIERARCH ESO ISS PBL23 START 55.808
HIERARCH ESO ISS PBL23 END 56.202
HIERARCH ESO ISS PBLA23 START 54.9
HIERARCH ESO ISS PBLA23 END 55.3
HIERARCH ESO ISS PBL24 START 85.002
HIERARCH ESO ISS PBL24 END 85.388
HIERARCH ESO ISS PBLA24 START 24.438
HIERARCH ESO ISS PBLA24 END 25.173
HIERARCH ESO ISS PBL34 START 46.469
HIERARCH ESO ISS PBL34 END 46.373
HIERARCH ESO ISS PBLA34 START 346.97
HIERARCH ESO ISS PBLA34 END 347.672
HIERARCH ESO ISS AMBI TAU0 START 0.006816
HIERARCH ESO ISS AMBI TAU0 END 0.009363
HIERARCH ESO ISS AMBI TEMP 13.66
HIERARCH ESO ISS AMBI FWHM START 0.36
HIERARCH ESO ISS AMBI FWHM END 0.34
HIERARCH ESO FT ROBJ NAME S9O8000940
HIERARCH ESO FT ROBJ ALPHA 184538.183
HIERARCH ESO FT ROBJ DELTA -054358.836