Exposure
ID
GRAVI.2025-10-04T05:10:07.111_1
Header ID
GRAVI.2025-10-04T05:10:07.111
Date updated
2025-10-04 05:25:52 UTC+0000
Release date
2026-10-04 05:25:52 UTC+0000
UTC Start
2025-10-04 05:10:07.111
UTC End
2025-10-04 05:16:47.111
MJD Start
60952.21536008
MJD End
60952.21998970963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.005324000000000001
Ambient temperature (°C)
10.59
Seeing (arcsec)
0.595
Observation
ID
70632
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
52392
Name
J0047-2053
RA
11.916153
DEC
-20.89077
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 56.5600 56.5540 29.1000 29.7000
U1-U3 102.4210 102.3800 35.4000 36.0000
U1-U4 129.7690 129.4550 63.2270 63.7740
U2-U3 46.6120 46.5710 43.0000 43.6000
U2-U4 88.7860 88.4480 84.1500 84.7440
U3-U4 61.8110 61.5560 113.8820 114.6040
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 60952.21536008
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME J0047-2053
HIERARCH ESO INS SOBJ NAME J0047-2053
RA 11.916153
DEC -20.89077
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 56.56
HIERARCH ESO ISS PBL12 END 56.554
HIERARCH ESO ISS PBLA12 START 29.1
HIERARCH ESO ISS PBLA12 END 29.7
HIERARCH ESO ISS PBL13 START 102.421
HIERARCH ESO ISS PBL13 END 102.38
HIERARCH ESO ISS PBLA13 START 35.4
HIERARCH ESO ISS PBLA13 END 36.0
HIERARCH ESO ISS PBL14 START 129.769
HIERARCH ESO ISS PBL14 END 129.455
HIERARCH ESO ISS PBLA14 START 63.227
HIERARCH ESO ISS PBLA14 END 63.774
HIERARCH ESO ISS PBL23 START 46.612
HIERARCH ESO ISS PBL23 END 46.571
HIERARCH ESO ISS PBLA23 START 43.0
HIERARCH ESO ISS PBLA23 END 43.6
HIERARCH ESO ISS PBL24 START 88.786
HIERARCH ESO ISS PBL24 END 88.448
HIERARCH ESO ISS PBLA24 START 84.15
HIERARCH ESO ISS PBLA24 END 84.744
HIERARCH ESO ISS PBL34 START 61.811
HIERARCH ESO ISS PBL34 END 61.556
HIERARCH ESO ISS PBLA34 START 113.882
HIERARCH ESO ISS PBLA34 END 114.604
HIERARCH ESO ISS AMBI TAU0 START 0.004503
HIERARCH ESO ISS AMBI TAU0 END 0.006145
HIERARCH ESO ISS AMBI TEMP 10.59
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.48
HIERARCH ESO FT ROBJ NAME J0047-2053
HIERARCH ESO FT ROBJ ALPHA 004739.964
HIERARCH ESO FT ROBJ DELTA -205335.015