Exposure
ID
GRAVI.2025-10-05T03:16:27.450_1
Header ID
GRAVI.2025-10-05T03:16:27.450
Date updated
2025-10-05 03:30:54 UTC+0000
Release date
2026-10-05 03:30:54 UTC+0000
UTC Start
2025-10-05 03:16:27.450
UTC End
2025-10-05 03:23:07.450
MJD Start
60953.13642882
MJD End
60953.141058449626
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0043549999999999995
Ambient temperature (°C)
11.41
Seeing (arcsec)
0.6
Observation
ID
70681
Category
science
Program ID
116.28X8.001
Program Title
PRECISION BLACK HOLE MASSES AT COSMIC NOON WITH GRAVITY+
Program Type
Normal
PI / COI
SHIMIZU / EISENHAUER / GENZEL / SHANGGUAN / DAVIES / STURM / LUTZ / SANTOS / CAO / TACCONI / FORSTER SCHREIBER / HOENIG / MILLOUR / LEFTLEY / PAUMARD / PETROV / CLÉNET / LOPEZ / PERRIN / BRANDNER / GARCIA / STRAUBMEIER / LE BOUQUIN / KREIDBERG / WOLF / SY
Target
ID
52441
Name
J0047-2053
RA
11.915815
DEC
-20.89063
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
DUAL
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 55.6610 55.7440 17.1000 18.0000
U1-U3 100.2550 100.4880 23.3000 24.2000
U1-U4 124.4810 125.3030 51.7980 52.7020
U2-U3 45.3320 45.4880 31.0000 31.9000
U2-U4 84.8810 85.6140 73.7350 74.4880
U3-U4 60.0620 60.5090 104.5470 105.0470
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28X8.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 60953.13642882
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME J0047-2053
HIERARCH ESO INS SOBJ NAME J0047-2053
RA 11.915815
DEC -20.89063
HIERARCH ESO INS SPEC RES MEDIUM
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 414.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 55.661
HIERARCH ESO ISS PBL12 END 55.744
HIERARCH ESO ISS PBLA12 START 17.1
HIERARCH ESO ISS PBLA12 END 18.0
HIERARCH ESO ISS PBL13 START 100.255
HIERARCH ESO ISS PBL13 END 100.488
HIERARCH ESO ISS PBLA13 START 23.3
HIERARCH ESO ISS PBLA13 END 24.2
HIERARCH ESO ISS PBL14 START 124.481
HIERARCH ESO ISS PBL14 END 125.303
HIERARCH ESO ISS PBLA14 START 51.798
HIERARCH ESO ISS PBLA14 END 52.702
HIERARCH ESO ISS PBL23 START 45.332
HIERARCH ESO ISS PBL23 END 45.488
HIERARCH ESO ISS PBLA23 START 31.0
HIERARCH ESO ISS PBLA23 END 31.9
HIERARCH ESO ISS PBL24 START 84.881
HIERARCH ESO ISS PBL24 END 85.614
HIERARCH ESO ISS PBLA24 START 73.735
HIERARCH ESO ISS PBLA24 END 74.488
HIERARCH ESO ISS PBL34 START 60.062
HIERARCH ESO ISS PBL34 END 60.509
HIERARCH ESO ISS PBLA34 START 104.547
HIERARCH ESO ISS PBLA34 END 105.047
HIERARCH ESO ISS AMBI TAU0 START 0.004526
HIERARCH ESO ISS AMBI TAU0 END 0.004184
HIERARCH ESO ISS AMBI TEMP 11.41
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.6
HIERARCH ESO FT ROBJ NAME J0047-2053
HIERARCH ESO FT ROBJ ALPHA 004739.964
HIERARCH ESO FT ROBJ DELTA -205335.015