Exposure
ID
GRAVI.2025-10-05T03:09:21.432_1
Header ID
GRAVI.2025-10-05T03:09:21.432
Date updated
2025-10-05 03:25:44 UTC+0000
Release date
2026-10-05 03:25:44 UTC+0000
UTC Start
2025-10-05 03:09:21.432
UTC End
2025-10-05 03:16:01.432
MJD Start
60953.13149806
MJD End
60953.13612768963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.004442
Ambient temperature (°C)
11.43
Seeing (arcsec)
0.59
Observation
ID
70680
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
52440
Name
J0047-2053
RA
11.915823
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 55.5760 55.6580 16.1000 17.0000
U1-U3 100.0120 100.2470 22.4000 23.3000
U1-U4 123.5830 124.4530 50.8340 51.7670
U2-U3 45.1650 45.3260 30.0000 31.0000
U2-U4 84.0640 84.8550 72.9380 73.7090
U3-U4 59.5540 60.0460 104.0400 104.5300
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 60953.13149806
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME J0047-2053
HIERARCH ESO INS SOBJ NAME J0047-2053
RA 11.915823
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 55.576
HIERARCH ESO ISS PBL12 END 55.658
HIERARCH ESO ISS PBLA12 START 16.1
HIERARCH ESO ISS PBLA12 END 17.0
HIERARCH ESO ISS PBL13 START 100.012
HIERARCH ESO ISS PBL13 END 100.247
HIERARCH ESO ISS PBLA13 START 22.4
HIERARCH ESO ISS PBLA13 END 23.3
HIERARCH ESO ISS PBL14 START 123.583
HIERARCH ESO ISS PBL14 END 124.453
HIERARCH ESO ISS PBLA14 START 50.834
HIERARCH ESO ISS PBLA14 END 51.767
HIERARCH ESO ISS PBL23 START 45.165
HIERARCH ESO ISS PBL23 END 45.326
HIERARCH ESO ISS PBLA23 START 30.0
HIERARCH ESO ISS PBLA23 END 31.0
HIERARCH ESO ISS PBL24 START 84.064
HIERARCH ESO ISS PBL24 END 84.855
HIERARCH ESO ISS PBLA24 START 72.938
HIERARCH ESO ISS PBLA24 END 73.709
HIERARCH ESO ISS PBL34 START 59.554
HIERARCH ESO ISS PBL34 END 60.046
HIERARCH ESO ISS PBLA34 START 104.04
HIERARCH ESO ISS PBLA34 END 104.53
HIERARCH ESO ISS AMBI TAU0 START 0.004358
HIERARCH ESO ISS AMBI TAU0 END 0.004526
HIERARCH ESO ISS AMBI TEMP 11.43
HIERARCH ESO ISS AMBI FWHM START 0.58
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