Exposure
ID
GRAVI.2025-10-05T04:16:12.602_1
Header ID
GRAVI.2025-10-05T04:16:12.602
Date updated
2025-10-05 04:30:46 UTC+0000
Release date
2026-10-05 04:30:45 UTC+0000
UTC Start
2025-10-05 04:16:12.602
UTC End
2025-10-05 04:22:52.602
MJD Start
60953.17792364
MJD End
60953.18255326963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0038485000000000004
Ambient temperature (°C)
10.87
Seeing (arcsec)
0.625
Observation
ID
70688
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
52448
Name
J0047-2053
RA
11.915792
DEC
-20.8907
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 56.3200 56.3770 24.2000 24.9000
U1-U3 101.9680 102.0980 30.5000 31.3000
U1-U4 129.6030 129.8690 58.7220 59.3980
U2-U3 46.4170 46.4900 38.3000 39.0000
U2-U4 89.1260 89.2960 79.7160 80.3410
U3-U4 62.4090 62.4610 109.2010 109.7890
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 60953.17792364
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME J0047-2053
HIERARCH ESO INS SOBJ NAME J0047-2053
RA 11.915792
DEC -20.8907
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 56.32
HIERARCH ESO ISS PBL12 END 56.377
HIERARCH ESO ISS PBLA12 START 24.2
HIERARCH ESO ISS PBLA12 END 24.9
HIERARCH ESO ISS PBL13 START 101.968
HIERARCH ESO ISS PBL13 END 102.098
HIERARCH ESO ISS PBLA13 START 30.5
HIERARCH ESO ISS PBLA13 END 31.3
HIERARCH ESO ISS PBL14 START 129.603
HIERARCH ESO ISS PBL14 END 129.869
HIERARCH ESO ISS PBLA14 START 58.722
HIERARCH ESO ISS PBLA14 END 59.398
HIERARCH ESO ISS PBL23 START 46.417
HIERARCH ESO ISS PBL23 END 46.49
HIERARCH ESO ISS PBLA23 START 38.3
HIERARCH ESO ISS PBLA23 END 39.0
HIERARCH ESO ISS PBL24 START 89.126
HIERARCH ESO ISS PBL24 END 89.296
HIERARCH ESO ISS PBLA24 START 79.716
HIERARCH ESO ISS PBLA24 END 80.341
HIERARCH ESO ISS PBL34 START 62.409
HIERARCH ESO ISS PBL34 END 62.461
HIERARCH ESO ISS PBLA34 START 109.201
HIERARCH ESO ISS PBLA34 END 109.789
HIERARCH ESO ISS AMBI TAU0 START 0.003949
HIERARCH ESO ISS AMBI TAU0 END 0.003748
HIERARCH ESO ISS AMBI TEMP 10.87
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.66
HIERARCH ESO FT ROBJ NAME J0047-2053
HIERARCH ESO FT ROBJ ALPHA 004739.964
HIERARCH ESO FT ROBJ DELTA -205335.015