Exposure
ID
GRAVI.2025-10-04T03:48:27.903_1
Header ID
GRAVI.2025-10-04T03:48:27.903
Date updated
2025-10-04 04:05:48 UTC+0000
Release date
2026-10-04 04:05:48 UTC+0000
UTC Start
2025-10-04 03:48:27.903
UTC End
2025-10-04 03:55:07.903
MJD Start
60952.15865628
MJD End
60952.16328590963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.007842
Ambient temperature (°C)
11.8
Seeing (arcsec)
0.38
Observation
ID
70623
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
52383
Name
J0047-2053
RA
11.915832
DEC
-20.89045
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 55.9950 56.0720 20.6000 21.4000
U1-U3 101.1600 101.3600 26.9000 27.7000
U1-U4 127.4730 128.0570 55.2980 56.0880
U2-U3 45.9270 46.0520 34.7000 35.5000
U2-U4 87.4770 87.9540 76.6860 77.3690
U3-U4 61.5910 61.8510 106.6390 107.1770
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 60952.15865628
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME J0047-2053
HIERARCH ESO INS SOBJ NAME J0047-2053
RA 11.915832
DEC -20.89045
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 55.995
HIERARCH ESO ISS PBL12 END 56.072
HIERARCH ESO ISS PBLA12 START 20.6
HIERARCH ESO ISS PBLA12 END 21.4
HIERARCH ESO ISS PBL13 START 101.16
HIERARCH ESO ISS PBL13 END 101.36
HIERARCH ESO ISS PBLA13 START 26.9
HIERARCH ESO ISS PBLA13 END 27.7
HIERARCH ESO ISS PBL14 START 127.473
HIERARCH ESO ISS PBL14 END 128.057
HIERARCH ESO ISS PBLA14 START 55.298
HIERARCH ESO ISS PBLA14 END 56.088
HIERARCH ESO ISS PBL23 START 45.927
HIERARCH ESO ISS PBL23 END 46.052
HIERARCH ESO ISS PBLA23 START 34.7
HIERARCH ESO ISS PBLA23 END 35.5
HIERARCH ESO ISS PBL24 START 87.477
HIERARCH ESO ISS PBL24 END 87.954
HIERARCH ESO ISS PBLA24 START 76.686
HIERARCH ESO ISS PBLA24 END 77.369
HIERARCH ESO ISS PBL34 START 61.591
HIERARCH ESO ISS PBL34 END 61.851
HIERARCH ESO ISS PBLA34 START 106.639
HIERARCH ESO ISS PBLA34 END 107.177
HIERARCH ESO ISS AMBI TAU0 START 0.007009
HIERARCH ESO ISS AMBI TAU0 END 0.008675
HIERARCH ESO ISS AMBI TEMP 11.8
HIERARCH ESO ISS AMBI FWHM START 0.4
HIERARCH ESO ISS AMBI FWHM END 0.36
HIERARCH ESO FT ROBJ NAME J0047-2053
HIERARCH ESO FT ROBJ ALPHA 004739.964
HIERARCH ESO FT ROBJ DELTA -205335.015