Exposure
ID
GRAVI.2025-10-04T03:55:39.921_1
Header ID
GRAVI.2025-10-04T03:55:39.921
Date updated
2025-10-04 04:10:48 UTC+0000
Release date
2026-10-04 04:10:48 UTC+0000
UTC Start
2025-10-04 03:55:39.921
UTC End
2025-10-04 04:02:19.921
MJD Start
60952.16365649
MJD End
60952.16828611963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0071319999999999995
Ambient temperature (°C)
11.64
Seeing (arcsec)
0.405
Observation
ID
70624
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
52384
Name
J0047-2053
RA
11.915827
DEC
-20.89046
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 56.0760 56.1510 21.4000 22.2000
U1-U3 101.3700 101.5570 27.8000 28.6000
U1-U4 128.0840 128.6000 56.1270 56.8920
U2-U3 46.0580 46.1740 35.5000 36.3000
U2-U4 87.9760 88.3860 77.4030 78.0730
U3-U4 61.8620 62.0740 107.2040 107.7550
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 60952.16365649
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME J0047-2053
HIERARCH ESO INS SOBJ NAME J0047-2053
RA 11.915827
DEC -20.89046
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 56.076
HIERARCH ESO ISS PBL12 END 56.151
HIERARCH ESO ISS PBLA12 START 21.4
HIERARCH ESO ISS PBLA12 END 22.2
HIERARCH ESO ISS PBL13 START 101.37
HIERARCH ESO ISS PBL13 END 101.557
HIERARCH ESO ISS PBLA13 START 27.8
HIERARCH ESO ISS PBLA13 END 28.6
HIERARCH ESO ISS PBL14 START 128.084
HIERARCH ESO ISS PBL14 END 128.6
HIERARCH ESO ISS PBLA14 START 56.127
HIERARCH ESO ISS PBLA14 END 56.892
HIERARCH ESO ISS PBL23 START 46.058
HIERARCH ESO ISS PBL23 END 46.174
HIERARCH ESO ISS PBLA23 START 35.5
HIERARCH ESO ISS PBLA23 END 36.3
HIERARCH ESO ISS PBL24 START 87.976
HIERARCH ESO ISS PBL24 END 88.386
HIERARCH ESO ISS PBLA24 START 77.403
HIERARCH ESO ISS PBLA24 END 78.073
HIERARCH ESO ISS PBL34 START 61.862
HIERARCH ESO ISS PBL34 END 62.074
HIERARCH ESO ISS PBLA34 START 107.204
HIERARCH ESO ISS PBLA34 END 107.755
HIERARCH ESO ISS AMBI TAU0 START 0.00797
HIERARCH ESO ISS AMBI TAU0 END 0.006294
HIERARCH ESO ISS AMBI TEMP 11.64
HIERARCH ESO ISS AMBI FWHM START 0.39
HIERARCH ESO ISS AMBI FWHM END 0.42
HIERARCH ESO FT ROBJ NAME J0047-2053
HIERARCH ESO FT ROBJ ALPHA 004739.964
HIERARCH ESO FT ROBJ DELTA -205335.015