Exposure
ID
GRAVI.2023-05-23T06:50:06.273_1
Header ID
GRAVI.2023-05-23T06:50:06.273
Date updated
2023-05-23 07:06:58 UTC+0000
Release date
2024-05-23 07:06:58 UTC+0000
UTC Start
2023-05-23 06:50:06.273
UTC End
2023-05-23 06:56:46.273
MJD Start
60087.28479483
MJD End
60087.2894244596
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0067135
Ambient temperature (°C)
13.57
Seeing (arcsec)
0.38
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 90.5080 90.4720 113.6000 113.8000
A0-J2 127.9790 128.4640 91.8000 92.0000
A0-K0 123.9070 124.7710 70.5730 70.8860
G1-J2 55.3640 55.7920 54.4000 54.9000
G1-K0 84.5980 84.9870 23.6460 24.4090
J2-K0 46.5730 46.4730 346.2540 346.9430
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 60087.28479483
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 90.508
HIERARCH ESO ISS PBL12 END 90.472
HIERARCH ESO ISS PBLA12 START 113.6
HIERARCH ESO ISS PBLA12 END 113.8
HIERARCH ESO ISS PBL13 START 127.979
HIERARCH ESO ISS PBL13 END 128.464
HIERARCH ESO ISS PBLA13 START 91.8
HIERARCH ESO ISS PBLA13 END 92.0
HIERARCH ESO ISS PBL14 START 123.907
HIERARCH ESO ISS PBL14 END 124.771
HIERARCH ESO ISS PBLA14 START 70.573
HIERARCH ESO ISS PBLA14 END 70.886
HIERARCH ESO ISS PBL23 START 55.364
HIERARCH ESO ISS PBL23 END 55.792
HIERARCH ESO ISS PBLA23 START 54.4
HIERARCH ESO ISS PBLA23 END 54.9
HIERARCH ESO ISS PBL24 START 84.598
HIERARCH ESO ISS PBL24 END 84.987
HIERARCH ESO ISS PBLA24 START 23.646
HIERARCH ESO ISS PBLA24 END 24.409
HIERARCH ESO ISS PBL34 START 46.573
HIERARCH ESO ISS PBL34 END 46.473
HIERARCH ESO ISS PBLA34 START 346.254
HIERARCH ESO ISS PBLA34 END 346.943
HIERARCH ESO ISS AMBI TAU0 START 0.006611
HIERARCH ESO ISS AMBI TAU0 END 0.006816
HIERARCH ESO ISS AMBI TEMP 13.57
HIERARCH ESO ISS AMBI FWHM START 0.4
HIERARCH ESO ISS AMBI FWHM END 0.36
HIERARCH ESO FT ROBJ NAME S9O8000940
HIERARCH ESO FT ROBJ ALPHA 184538.183
HIERARCH ESO FT ROBJ DELTA -054358.836