Observation
ID
53117
Category
science
Program ID
110.23XR.001
Program Title
PROBING A CLOSE BINARY OF SUPERMASSIVE BLACK HOLES WITH GRAVITY
Program Type
Normal
PI / COI
SHANGGUAN/ BROTHERTON/ CAO/ DAVIES/ DEXTER/ DE ZEEUW/ DU/ EISENHAUER/ HO/ LI/ LUTZ/ SANTOS/ SHIMIZU/ SONGSHENG/ STURM/ WANG
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
U1 U2 U3 U4
Target
ID
39495
Name
Akn120
RA
79.049116
DEC
-0.14998
Exposures (2)
ID Header Date updated MJD Start MJD End
GRAVI.2022-11-11T04:58:39.217_1 GRAVI.2022-11-11T04:58:39.217 2022-11-11 05:15:51 UTC+0000 59894.20739834 59894.2115650067
GRAVI.2022-11-11T05:05:12.233_1 GRAVI.2022-11-11T05:05:12.233 2022-11-11 05:20:36 UTC+0000 59894.21194714 59894.2161138067