Exposure
ID
GRAVI.2025-10-05T03:46:45.527_1
Header ID
GRAVI.2025-10-05T03:46:45.527
Date updated
2025-10-05 04:00:57 UTC+0000
Release date
2026-10-05 04:00:57 UTC+0000
UTC Start
2025-10-05 03:46:45.527
UTC End
2025-10-05 03:53:25.527
MJD Start
60953.15747138
MJD End
60953.16210100963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.005199499999999999
Ambient temperature (°C)
11.36
Seeing (arcsec)
0.53
Observation
ID
70684
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
52444
Name
J0047-2053
RA
11.915803
DEC
-20.89065
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 56.0200 56.0970 20.8000 21.6000
U1-U3 101.2270 101.4230 27.2000 28.0000
U1-U4 127.6700 128.2330 55.5550 56.3380
U2-U3 45.9680 46.0910 34.9000 35.7000
U2-U4 87.6390 88.0960 76.9070 77.5860
U3-U4 61.6810 61.9250 106.8110 107.3520
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 60953.15747138
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME J0047-2053
HIERARCH ESO INS SOBJ NAME J0047-2053
RA 11.915803
DEC -20.89065
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 56.02
HIERARCH ESO ISS PBL12 END 56.097
HIERARCH ESO ISS PBLA12 START 20.8
HIERARCH ESO ISS PBLA12 END 21.6
HIERARCH ESO ISS PBL13 START 101.227
HIERARCH ESO ISS PBL13 END 101.423
HIERARCH ESO ISS PBLA13 START 27.2
HIERARCH ESO ISS PBLA13 END 28.0
HIERARCH ESO ISS PBL14 START 127.67
HIERARCH ESO ISS PBL14 END 128.233
HIERARCH ESO ISS PBLA14 START 55.555
HIERARCH ESO ISS PBLA14 END 56.338
HIERARCH ESO ISS PBL23 START 45.968
HIERARCH ESO ISS PBL23 END 46.091
HIERARCH ESO ISS PBLA23 START 34.9
HIERARCH ESO ISS PBLA23 END 35.7
HIERARCH ESO ISS PBL24 START 87.639
HIERARCH ESO ISS PBL24 END 88.096
HIERARCH ESO ISS PBLA24 START 76.907
HIERARCH ESO ISS PBLA24 END 77.586
HIERARCH ESO ISS PBL34 START 61.681
HIERARCH ESO ISS PBL34 END 61.925
HIERARCH ESO ISS PBLA34 START 106.811
HIERARCH ESO ISS PBLA34 END 107.352
HIERARCH ESO ISS AMBI TAU0 START 0.004122
HIERARCH ESO ISS AMBI TAU0 END 0.006277
HIERARCH ESO ISS AMBI TEMP 11.36
HIERARCH ESO ISS AMBI FWHM START 0.61
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