Exposure
ID
GRAVI.2023-07-07T00:45:35.532_1
Header ID
GRAVI.2023-07-07T00:45:35.532
Date updated
2025-03-26 15:25:23 UTC+0000
Release date
2024-07-07 00:55:37 UTC+0000
UTC Start
2023-07-07 00:45:35.532
UTC End
2023-07-07 00:47:35.532
MJD Start
60132.03166125
MJD End
60132.03305013889
Exposure time (s)
120.0
Validation level
1
Tau 0: Coherence time (s)
0.0038104999999999997
Ambient temperature (°C)
10.62
Seeing (arcsec)
0.74
Observation
ID
56163
Category
science
Program ID
108.220D.004
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
41609
Name
Gaia1731-3046
RA
262.929849
DEC
-30.77145
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
LOW-COMBINED
Instrument sub-mode
DUAL
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 56.4340 56.4380 6.9000 7.2000
U1-U3 101.6040 101.6300 12.2000 12.6000
U1-U4 121.1840 121.4550 37.2710 37.7580
U2-U3 45.7160 45.7440 18.8000 19.2000
U2-U4 77.9340 78.2850 58.7700 59.2450
U3-U4 52.0020 52.3250 93.1740 93.4740
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 108.220D.004
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 60132.03166125
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME KMT-2023-BLG-0025
HIERARCH ESO INS SOBJ NAME Gaia1731-3046
RA 262.929849
DEC -30.77145
HIERARCH ESO INS SPEC RES LOW
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 U1
HIERARCH ESO ISS CONF STATION2 U2
HIERARCH ESO ISS CONF STATION3 U3
HIERARCH ESO ISS CONF STATION4 U4
EXPTIME 150.0
HIERARCH ESO DET2 SEQ1 DIT 1.0
HIERARCH ESO DET2 NDIT 120
HIERARCH ESO ISS PBL12 START 56.434
HIERARCH ESO ISS PBL12 END 56.438
HIERARCH ESO ISS PBLA12 START 6.9
HIERARCH ESO ISS PBLA12 END 7.2
HIERARCH ESO ISS PBL13 START 101.604
HIERARCH ESO ISS PBL13 END 101.63
HIERARCH ESO ISS PBLA13 START 12.2
HIERARCH ESO ISS PBLA13 END 12.6
HIERARCH ESO ISS PBL14 START 121.184
HIERARCH ESO ISS PBL14 END 121.455
HIERARCH ESO ISS PBLA14 START 37.271
HIERARCH ESO ISS PBLA14 END 37.758
HIERARCH ESO ISS PBL23 START 45.716
HIERARCH ESO ISS PBL23 END 45.744
HIERARCH ESO ISS PBLA23 START 18.8
HIERARCH ESO ISS PBLA23 END 19.2
HIERARCH ESO ISS PBL24 START 77.934
HIERARCH ESO ISS PBL24 END 78.285
HIERARCH ESO ISS PBLA24 START 58.77
HIERARCH ESO ISS PBLA24 END 59.245
HIERARCH ESO ISS PBL34 START 52.002
HIERARCH ESO ISS PBL34 END 52.325
HIERARCH ESO ISS PBLA34 START 93.174
HIERARCH ESO ISS PBLA34 END 93.474
HIERARCH ESO ISS AMBI TAU0 START 0.003598
HIERARCH ESO ISS AMBI TAU0 END 0.004023
HIERARCH ESO ISS AMBI TEMP 10.62
HIERARCH ESO ISS AMBI FWHM START 0.78
HIERARCH ESO ISS AMBI FWHM END 0.7
HIERARCH ESO FT ROBJ NAME KMT-2023-BLG-0025
HIERARCH ESO FT ROBJ ALPHA 173142.610
HIERARCH ESO FT ROBJ DELTA -304616.928