Observation
ID
58842
Category
science
Program ID
113.26T9.001
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
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
U1 U2 U3 U4
Target
ID
43565
Name
NGC_4507
RA
188.905575
DEC
-39.90869
Exposures (4)
ID Header Date updated MJD Start MJD End
GRAVI.2024-03-27T04:52:44.048_1 GRAVI.2024-03-27T04:52:44.048 2024-03-27 05:00:32 UTC+0000 60396.20328759 60396.2046764789
GRAVI.2024-03-27T04:56:05.057_1 GRAVI.2024-03-27T04:56:05.057 2024-03-27 05:05:31 UTC+0000 60396.20561408 60396.2070029689
GRAVI.2024-03-27T05:02:41.074_1 GRAVI.2024-03-27T05:02:41.074 2024-03-27 05:10:23 UTC+0000 60396.21019761 60396.2115864989
GRAVI.2024-03-27T05:05:41.081_1 GRAVI.2024-03-27T05:05:41.081 2024-03-27 05:15:26 UTC+0000 60396.21228103 60396.2136699189