Exposure
ID
GRAVI.2025-11-10T06:23:53.431_1
Header ID
GRAVI.2025-11-10T06:23:53.431
Date updated
2025-11-10 06:41:00 UTC+0000
Release date
2026-11-10 06:41:00 UTC+0000
UTC Start
2025-11-10 06:23:53.431
UTC End
2025-11-10 06:30:33.431
MJD Start
60989.26659064
MJD End
60989.27122026963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0053325000000000004
Ambient temperature (°C)
12.98
Seeing (arcsec)
0.545
Observation
ID
71391
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
53011
Name
J0312-1343
RA
48.157549
DEC
-13.71827
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 56.4590 56.3960 34.2000 34.5000
U1-U3 101.8150 101.5860 39.8000 40.1000
U1-U4 123.8840 122.7700 65.9810 66.1570
U2-U3 45.9700 45.7920 46.8000 47.0000
U2-U4 81.5410 80.4350 87.3950 87.7670
U3-U4 55.4140 54.6710 120.0730 120.9340
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 60989.26659064
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME J0312-1343
HIERARCH ESO INS SOBJ NAME J0312-1343
RA 48.157549
DEC -13.71827
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 56.459
HIERARCH ESO ISS PBL12 END 56.396
HIERARCH ESO ISS PBLA12 START 34.2
HIERARCH ESO ISS PBLA12 END 34.5
HIERARCH ESO ISS PBL13 START 101.815
HIERARCH ESO ISS PBL13 END 101.586
HIERARCH ESO ISS PBLA13 START 39.8
HIERARCH ESO ISS PBLA13 END 40.1
HIERARCH ESO ISS PBL14 START 123.884
HIERARCH ESO ISS PBL14 END 122.77
HIERARCH ESO ISS PBLA14 START 65.981
HIERARCH ESO ISS PBLA14 END 66.157
HIERARCH ESO ISS PBL23 START 45.97
HIERARCH ESO ISS PBL23 END 45.792
HIERARCH ESO ISS PBLA23 START 46.8
HIERARCH ESO ISS PBLA23 END 47.0
HIERARCH ESO ISS PBL24 START 81.541
HIERARCH ESO ISS PBL24 END 80.435
HIERARCH ESO ISS PBLA24 START 87.395
HIERARCH ESO ISS PBLA24 END 87.767
HIERARCH ESO ISS PBL34 START 55.414
HIERARCH ESO ISS PBL34 END 54.671
HIERARCH ESO ISS PBLA34 START 120.073
HIERARCH ESO ISS PBLA34 END 120.934
HIERARCH ESO ISS AMBI TAU0 START 0.005698
HIERARCH ESO ISS AMBI TAU0 END 0.004967
HIERARCH ESO ISS AMBI TEMP 12.98
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.53
HIERARCH ESO FT ROBJ NAME J0312-1343
HIERARCH ESO FT ROBJ ALPHA 031238.567
HIERARCH ESO FT ROBJ DELTA -134307.436