Exposure
ID
GRAVI.2024-04-30T00:14:24.791_2
Header ID
GRAVI.2024-04-30T00:14:24.791
Date updated
2024-04-30 00:25:24 UTC+0000
Release date
2025-04-30 00:25:24 UTC+0000
UTC Start
2024-04-30 00:14:24.791
UTC End
2024-04-30 00:18:24.791
MJD Start
60430.01000916
MJD End
60430.0127869378
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0106045
Ambient temperature (°C)
16.48
Seeing (arcsec)
0.395
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 41.4860 41.8720 36.7000 36.9000
U1-U3 78.7820 79.5450 44.0000 44.2000
U1-U4 120.7150 121.4710 69.6270 69.3230
U2-U3 38.0130 38.3690 52.1000 52.1000
U2-U4 88.8260 88.9870 84.3530 83.9250
U3-U4 60.2090 59.9280 104.0540 103.6810
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 60430.01000916
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 41.486
HIERARCH ESO ISS PBL12 END 41.872
HIERARCH ESO ISS PBLA12 START 36.7
HIERARCH ESO ISS PBLA12 END 36.9
HIERARCH ESO ISS PBL13 START 78.782
HIERARCH ESO ISS PBL13 END 79.545
HIERARCH ESO ISS PBLA13 START 44.0
HIERARCH ESO ISS PBLA13 END 44.2
HIERARCH ESO ISS PBL14 START 120.715
HIERARCH ESO ISS PBL14 END 121.471
HIERARCH ESO ISS PBLA14 START 69.627
HIERARCH ESO ISS PBLA14 END 69.323
HIERARCH ESO ISS PBL23 START 38.013
HIERARCH ESO ISS PBL23 END 38.369
HIERARCH ESO ISS PBLA23 START 52.1
HIERARCH ESO ISS PBLA23 END 52.1
HIERARCH ESO ISS PBL24 START 88.826
HIERARCH ESO ISS PBL24 END 88.987
HIERARCH ESO ISS PBLA24 START 84.353
HIERARCH ESO ISS PBLA24 END 83.925
HIERARCH ESO ISS PBL34 START 60.209
HIERARCH ESO ISS PBL34 END 59.928
HIERARCH ESO ISS PBLA34 START 104.054
HIERARCH ESO ISS PBLA34 END 103.681
HIERARCH ESO ISS AMBI TAU0 START 0.010543
HIERARCH ESO ISS AMBI TAU0 END 0.010666
HIERARCH ESO ISS AMBI TEMP 16.48
HIERARCH ESO ISS AMBI FWHM START 0.4
HIERARCH ESO ISS AMBI FWHM END 0.39
HIERARCH ESO FT ROBJ NAME star
HIERARCH ESO FT ROBJ ALPHA 100544.594
HIERARCH ESO FT ROBJ DELTA 243323.943