Exposure
ID
GRAVI.2025-10-04T02:57:33.773_1
Header ID
GRAVI.2025-10-04T02:57:33.773
Date updated
2025-10-04 03:15:41 UTC+0000
Release date
2026-10-04 03:15:40 UTC+0000
UTC Start
2025-10-04 02:57:33.773
UTC End
2025-10-04 03:04:13.773
MJD Start
60952.12330756
MJD End
60952.12793718963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0076175
Ambient temperature (°C)
12.07
Seeing (arcsec)
0.4
Observation
ID
70617
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
52377
Name
J0047-2053
RA
11.915851
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 55.3920 55.4710 14.0000 15.0000
U1-U3 99.4680 99.7070 20.2000 21.1000
U1-U4 121.4220 122.3970 48.5800 49.5900
U2-U3 44.7810 44.9510 27.7000 28.7000
U2-U4 82.0410 82.9640 71.0880 71.9150
U3-U4 58.2580 58.8560 102.9460 103.4220
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 60952.12330756
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME J0047-2053
HIERARCH ESO INS SOBJ NAME J0047-2053
RA 11.915851
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 55.392
HIERARCH ESO ISS PBL12 END 55.471
HIERARCH ESO ISS PBLA12 START 14.0
HIERARCH ESO ISS PBLA12 END 15.0
HIERARCH ESO ISS PBL13 START 99.468
HIERARCH ESO ISS PBL13 END 99.707
HIERARCH ESO ISS PBLA13 START 20.2
HIERARCH ESO ISS PBLA13 END 21.1
HIERARCH ESO ISS PBL14 START 121.422
HIERARCH ESO ISS PBL14 END 122.397
HIERARCH ESO ISS PBLA14 START 48.58
HIERARCH ESO ISS PBLA14 END 49.59
HIERARCH ESO ISS PBL23 START 44.781
HIERARCH ESO ISS PBL23 END 44.951
HIERARCH ESO ISS PBLA23 START 27.7
HIERARCH ESO ISS PBLA23 END 28.7
HIERARCH ESO ISS PBL24 START 82.041
HIERARCH ESO ISS PBL24 END 82.964
HIERARCH ESO ISS PBLA24 START 71.088
HIERARCH ESO ISS PBLA24 END 71.915
HIERARCH ESO ISS PBL34 START 58.258
HIERARCH ESO ISS PBL34 END 58.856
HIERARCH ESO ISS PBLA34 START 102.946
HIERARCH ESO ISS PBLA34 END 103.422
HIERARCH ESO ISS AMBI TAU0 START 0.007405
HIERARCH ESO ISS AMBI TAU0 END 0.00783
HIERARCH ESO ISS AMBI TEMP 12.07
HIERARCH ESO ISS AMBI FWHM START 0.37
HIERARCH ESO ISS AMBI FWHM END 0.43
HIERARCH ESO FT ROBJ NAME J0047-2053
HIERARCH ESO FT ROBJ ALPHA 004739.964
HIERARCH ESO FT ROBJ DELTA -205335.015