Exposure
ID
GRAVI.2024-04-29T23:55:51.744_2
Header ID
GRAVI.2024-04-29T23:55:51.744
Date updated
2024-04-30 00:05:23 UTC+0000
Release date
2025-04-30 00:05:23 UTC+0000
UTC Start
2024-04-29 23:55:51.744
UTC End
2024-04-29 23:59:51.744
MJD Start
60429.99712667
MJD End
60429.9999044478
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0094715
Ambient temperature (°C)
16.44
Seeing (arcsec)
0.44
Observation
ID
58870
Category
science
Program ID
113.26T9.002
Program Title
FIRST SYSTEMATIC SEARCH FOR PARSEC-SCALE SUPERMASSIVE BLACK HOLE BINARIES WITH VLTI/GRAVITY
Program Type
Normal
PI / COI
SHANGGUAN / SHIMIZU / GENZEL / DAVIES / STURM / LUTZ / EISENHAUER / TACCONI / FORSTER SCHREIBER / DEXTER / SANTOS / CAO / HOENIG / PERRIN / PETROV / PAUMARD / CLÉNET / DE ZEEUW / LEFTLEY / SYKES / LI
Target
ID
43587
Name
star
RA
151.435808333333
DEC
24.5566508333333
Instrument
Interferometer
VLTI
Instrument
GRAVITY_FT
Instrument mode
LOW
Instrument sub-mode
DUAL
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 39.7770 40.1710 35.3000 35.6000
U1-U3 75.3380 76.1410 43.3000 43.5000
U1-U4 117.0290 117.9280 70.9150 70.6270
U2-U3 36.3730 36.7600 52.0000 52.1000
U2-U4 87.8220 88.0950 86.2240 85.7950
U3-U4 61.2450 61.0360 105.7190 105.3320
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26T9.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 60429.99712667
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME SDSS J100543.58+243330.0
HIERARCH ESO INS SOBJ NAME SDSS_J100543.58+2433
RA 151.434026
DEC 24.55767
HIERARCH ESO INS SPEC RES LOW
HIERARCH ESO INS POLA MODE SPLIT
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 256.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 39.777
HIERARCH ESO ISS PBL12 END 40.171
HIERARCH ESO ISS PBLA12 START 35.3
HIERARCH ESO ISS PBLA12 END 35.6
HIERARCH ESO ISS PBL13 START 75.338
HIERARCH ESO ISS PBL13 END 76.141
HIERARCH ESO ISS PBLA13 START 43.3
HIERARCH ESO ISS PBLA13 END 43.5
HIERARCH ESO ISS PBL14 START 117.029
HIERARCH ESO ISS PBL14 END 117.928
HIERARCH ESO ISS PBLA14 START 70.915
HIERARCH ESO ISS PBLA14 END 70.627
HIERARCH ESO ISS PBL23 START 36.373
HIERARCH ESO ISS PBL23 END 36.76
HIERARCH ESO ISS PBLA23 START 52.0
HIERARCH ESO ISS PBLA23 END 52.1
HIERARCH ESO ISS PBL24 START 87.822
HIERARCH ESO ISS PBL24 END 88.095
HIERARCH ESO ISS PBLA24 START 86.224
HIERARCH ESO ISS PBLA24 END 85.795
HIERARCH ESO ISS PBL34 START 61.245
HIERARCH ESO ISS PBL34 END 61.036
HIERARCH ESO ISS PBLA34 START 105.719
HIERARCH ESO ISS PBLA34 END 105.332
HIERARCH ESO ISS AMBI TAU0 START 0.00985
HIERARCH ESO ISS AMBI TAU0 END 0.009093
HIERARCH ESO ISS AMBI TEMP 16.44
HIERARCH ESO ISS AMBI FWHM START 0.44
HIERARCH ESO ISS AMBI FWHM END 0.44
HIERARCH ESO FT ROBJ NAME star
HIERARCH ESO FT ROBJ ALPHA 100544.594
HIERARCH ESO FT ROBJ DELTA 243323.943