Exposure
ID
GRAVI.2025-10-05T04:38:30.659_1
Header ID
GRAVI.2025-10-05T04:38:30.659
Date updated
2025-10-05 04:55:57 UTC+0000
Release date
2026-10-05 04:55:56 UTC+0000
UTC Start
2025-10-05 04:38:30.659
UTC End
2025-10-05 04:45:10.659
MJD Start
60953.19341041
MJD End
60953.19804003963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0042710000000000005
Ambient temperature (°C)
10.81
Seeing (arcsec)
0.5900000000000001
Observation
ID
70690
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
52450
Name
J0047-2053
RA
11.915876
DEC
-20.89074
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 56.4800 56.5140 26.5000 27.2000
U1-U3 102.3190 102.3820 32.8000 33.5000
U1-U4 130.1890 130.2060 60.8420 61.4660
U2-U3 46.6030 46.6300 40.5000 41.2000
U2-U4 89.4260 89.3720 81.7170 82.3330
U3-U4 62.4190 62.3300 111.1660 111.8190
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 60953.19341041
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME J0047-2053
HIERARCH ESO INS SOBJ NAME J0047-2053
RA 11.915876
DEC -20.89074
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 56.48
HIERARCH ESO ISS PBL12 END 56.514
HIERARCH ESO ISS PBLA12 START 26.5
HIERARCH ESO ISS PBLA12 END 27.2
HIERARCH ESO ISS PBL13 START 102.319
HIERARCH ESO ISS PBL13 END 102.382
HIERARCH ESO ISS PBLA13 START 32.8
HIERARCH ESO ISS PBLA13 END 33.5
HIERARCH ESO ISS PBL14 START 130.189
HIERARCH ESO ISS PBL14 END 130.206
HIERARCH ESO ISS PBLA14 START 60.842
HIERARCH ESO ISS PBLA14 END 61.466
HIERARCH ESO ISS PBL23 START 46.603
HIERARCH ESO ISS PBL23 END 46.63
HIERARCH ESO ISS PBLA23 START 40.5
HIERARCH ESO ISS PBLA23 END 41.2
HIERARCH ESO ISS PBL24 START 89.426
HIERARCH ESO ISS PBL24 END 89.372
HIERARCH ESO ISS PBLA24 START 81.717
HIERARCH ESO ISS PBLA24 END 82.333
HIERARCH ESO ISS PBL34 START 62.419
HIERARCH ESO ISS PBL34 END 62.33
HIERARCH ESO ISS PBLA34 START 111.166
HIERARCH ESO ISS PBLA34 END 111.819
HIERARCH ESO ISS AMBI TAU0 START 0.004486
HIERARCH ESO ISS AMBI TAU0 END 0.004056
HIERARCH ESO ISS AMBI TEMP 10.81
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.64
HIERARCH ESO FT ROBJ NAME J0047-2053
HIERARCH ESO FT ROBJ ALPHA 004739.964
HIERARCH ESO FT ROBJ DELTA -205335.015