Exposure
ID
GRAVI.2025-10-04T02:50:21.754_1
Header ID
GRAVI.2025-10-04T02:50:21.754
Date updated
2025-10-04 03:05:42 UTC+0000
Release date
2026-10-04 03:05:42 UTC+0000
UTC Start
2025-10-04 02:50:21.754
UTC End
2025-10-04 02:57:01.754
MJD Start
60952.11830734
MJD End
60952.12293696963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0067665
Ambient temperature (°C)
12.3
Seeing (arcsec)
0.375
Observation
ID
70615
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
52375
Name
J0047-2053
RA
11.915857
DEC
-20.89043
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 55.3120 55.3890 13.1000 14.0000
U1-U3 99.2220 99.4580 19.1000 20.1000
U1-U4 120.3680 121.3780 47.4950 48.5360
U2-U3 44.6030 44.7740 26.6000 27.7000
U2-U4 81.0250 82.0000 70.2010 71.0520
U3-U4 57.5890 58.2310 102.4590 102.9280
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 60952.11830734
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME J0047-2053
HIERARCH ESO INS SOBJ NAME J0047-2053
RA 11.915857
DEC -20.89043
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 55.312
HIERARCH ESO ISS PBL12 END 55.389
HIERARCH ESO ISS PBLA12 START 13.1
HIERARCH ESO ISS PBLA12 END 14.0
HIERARCH ESO ISS PBL13 START 99.222
HIERARCH ESO ISS PBL13 END 99.458
HIERARCH ESO ISS PBLA13 START 19.1
HIERARCH ESO ISS PBLA13 END 20.1
HIERARCH ESO ISS PBL14 START 120.368
HIERARCH ESO ISS PBL14 END 121.378
HIERARCH ESO ISS PBLA14 START 47.495
HIERARCH ESO ISS PBLA14 END 48.536
HIERARCH ESO ISS PBL23 START 44.603
HIERARCH ESO ISS PBL23 END 44.774
HIERARCH ESO ISS PBLA23 START 26.6
HIERARCH ESO ISS PBLA23 END 27.7
HIERARCH ESO ISS PBL24 START 81.025
HIERARCH ESO ISS PBL24 END 82.0
HIERARCH ESO ISS PBLA24 START 70.201
HIERARCH ESO ISS PBLA24 END 71.052
HIERARCH ESO ISS PBL34 START 57.589
HIERARCH ESO ISS PBL34 END 58.231
HIERARCH ESO ISS PBLA34 START 102.459
HIERARCH ESO ISS PBLA34 END 102.928
HIERARCH ESO ISS AMBI TAU0 START 0.007141
HIERARCH ESO ISS AMBI TAU0 END 0.006392
HIERARCH ESO ISS AMBI TEMP 12.3
HIERARCH ESO ISS AMBI FWHM START 0.39
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