Exposure
ID
GRAVI.2025-10-04T04:33:16.017_1
Header ID
GRAVI.2025-10-04T04:33:16.017
Date updated
2025-10-04 04:50:48 UTC+0000
Release date
2026-10-04 04:50:48 UTC+0000
UTC Start
2025-10-04 04:33:16.017
UTC End
2025-10-04 04:39:56.017
MJD Start
60952.18976871
MJD End
60952.19439833963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0057275
Ambient temperature (°C)
11.41
Seeing (arcsec)
0.45
Observation
ID
70628
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
52388
Name
J0047-2053
RA
11.915859
DEC
-20.89053
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 56.4230 56.4680 25.6000 26.3000
U1-U3 102.2000 102.2930 31.9000 32.6000
U1-U4 130.0450 130.1660 60.0110 60.6550
U2-U3 46.5440 46.5910 39.6000 40.3000
U2-U4 89.3900 89.4290 80.9190 81.5360
U3-U4 62.4700 62.4390 110.3540 110.9780
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 60952.18976871
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME J0047-2053
HIERARCH ESO INS SOBJ NAME J0047-2053
RA 11.915859
DEC -20.89053
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 56.423
HIERARCH ESO ISS PBL12 END 56.468
HIERARCH ESO ISS PBLA12 START 25.6
HIERARCH ESO ISS PBLA12 END 26.3
HIERARCH ESO ISS PBL13 START 102.2
HIERARCH ESO ISS PBL13 END 102.293
HIERARCH ESO ISS PBLA13 START 31.9
HIERARCH ESO ISS PBLA13 END 32.6
HIERARCH ESO ISS PBL14 START 130.045
HIERARCH ESO ISS PBL14 END 130.166
HIERARCH ESO ISS PBLA14 START 60.011
HIERARCH ESO ISS PBLA14 END 60.655
HIERARCH ESO ISS PBL23 START 46.544
HIERARCH ESO ISS PBL23 END 46.591
HIERARCH ESO ISS PBLA23 START 39.6
HIERARCH ESO ISS PBLA23 END 40.3
HIERARCH ESO ISS PBL24 START 89.39
HIERARCH ESO ISS PBL24 END 89.429
HIERARCH ESO ISS PBLA24 START 80.919
HIERARCH ESO ISS PBLA24 END 81.536
HIERARCH ESO ISS PBL34 START 62.47
HIERARCH ESO ISS PBL34 END 62.439
HIERARCH ESO ISS PBLA34 START 110.354
HIERARCH ESO ISS PBLA34 END 110.978
HIERARCH ESO ISS AMBI TAU0 START 0.005698
HIERARCH ESO ISS AMBI TAU0 END 0.005757
HIERARCH ESO ISS AMBI TEMP 11.41
HIERARCH ESO ISS AMBI FWHM START 0.45
HIERARCH ESO ISS AMBI FWHM END 0.45
HIERARCH ESO FT ROBJ NAME J0047-2053
HIERARCH ESO FT ROBJ ALPHA 004739.964
HIERARCH ESO FT ROBJ DELTA -205335.015