Exposure
ID
GRAVI.2023-05-23T07:12:06.329_1
Header ID
GRAVI.2023-05-23T07:12:06.329
Date updated
2023-05-23 07:25:52 UTC+0000
Release date
2024-05-23 07:25:52 UTC+0000
UTC Start
2023-05-23 07:12:06.329
UTC End
2023-05-23 07:18:46.329
MJD Start
60087.30007325
MJD End
60087.3047028796
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0075985
Ambient temperature (°C)
13.55
Seeing (arcsec)
0.365
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 90.1580 89.9040 114.3000 114.5000
A0-J2 129.1110 129.2240 92.3000 92.5000
A0-K0 126.2930 126.8360 71.4980 71.7530
G1-J2 56.6070 56.9310 55.8000 56.2000
G1-K0 85.8180 86.1940 25.9700 26.6520
J2-K0 46.2680 46.1790 348.4790 349.2110
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 60087.30007325
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 90.158
HIERARCH ESO ISS PBL12 END 89.904
HIERARCH ESO ISS PBLA12 START 114.3
HIERARCH ESO ISS PBLA12 END 114.5
HIERARCH ESO ISS PBL13 START 129.111
HIERARCH ESO ISS PBL13 END 129.224
HIERARCH ESO ISS PBLA13 START 92.3
HIERARCH ESO ISS PBLA13 END 92.5
HIERARCH ESO ISS PBL14 START 126.293
HIERARCH ESO ISS PBL14 END 126.836
HIERARCH ESO ISS PBLA14 START 71.498
HIERARCH ESO ISS PBLA14 END 71.753
HIERARCH ESO ISS PBL23 START 56.607
HIERARCH ESO ISS PBL23 END 56.931
HIERARCH ESO ISS PBLA23 START 55.8
HIERARCH ESO ISS PBLA23 END 56.2
HIERARCH ESO ISS PBL24 START 85.818
HIERARCH ESO ISS PBL24 END 86.194
HIERARCH ESO ISS PBLA24 START 25.97
HIERARCH ESO ISS PBLA24 END 26.652
HIERARCH ESO ISS PBL34 START 46.268
HIERARCH ESO ISS PBL34 END 46.179
HIERARCH ESO ISS PBLA34 START 348.479
HIERARCH ESO ISS PBLA34 END 349.211
HIERARCH ESO ISS AMBI TAU0 START 0.008326
HIERARCH ESO ISS AMBI TAU0 END 0.006871
HIERARCH ESO ISS AMBI TEMP 13.55
HIERARCH ESO ISS AMBI FWHM START 0.38
HIERARCH ESO ISS AMBI FWHM END 0.35
HIERARCH ESO FT ROBJ NAME S9O8000940
HIERARCH ESO FT ROBJ ALPHA 184538.183
HIERARCH ESO FT ROBJ DELTA -054358.836