Exposure
ID
GRAVI.2025-10-05T03:02:09.414_1
Header ID
GRAVI.2025-10-05T03:02:09.414
Date updated
2025-10-05 03:15:39 UTC+0000
Release date
2026-10-05 03:15:39 UTC+0000
UTC Start
2025-10-05 03:02:09.414
UTC End
2025-10-05 03:08:49.414
MJD Start
60953.12649785
MJD End
60953.131127479624
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.004789
Ambient temperature (°C)
11.3
Seeing (arcsec)
0.5700000000000001
Observation
ID
70679
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
52439
Name
J0047-2053
RA
11.915825
DEC
-20.89063
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 55.4910 55.5720 15.2000 16.1000
U1-U3 99.7630 100.0020 21.4000 22.3000
U1-U4 122.6220 123.5450 49.8250 50.7940
U2-U3 44.9910 45.1580 29.0000 30.0000
U2-U4 83.1750 84.0290 72.1080 72.9050
U3-U4 58.9910 59.5330 103.5350 104.0190
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 60953.12649785
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME J0047-2053
HIERARCH ESO INS SOBJ NAME J0047-2053
RA 11.915825
DEC -20.89063
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 55.491
HIERARCH ESO ISS PBL12 END 55.572
HIERARCH ESO ISS PBLA12 START 15.2
HIERARCH ESO ISS PBLA12 END 16.1
HIERARCH ESO ISS PBL13 START 99.763
HIERARCH ESO ISS PBL13 END 100.002
HIERARCH ESO ISS PBLA13 START 21.4
HIERARCH ESO ISS PBLA13 END 22.3
HIERARCH ESO ISS PBL14 START 122.622
HIERARCH ESO ISS PBL14 END 123.545
HIERARCH ESO ISS PBLA14 START 49.825
HIERARCH ESO ISS PBLA14 END 50.794
HIERARCH ESO ISS PBL23 START 44.991
HIERARCH ESO ISS PBL23 END 45.158
HIERARCH ESO ISS PBLA23 START 29.0
HIERARCH ESO ISS PBLA23 END 30.0
HIERARCH ESO ISS PBL24 START 83.175
HIERARCH ESO ISS PBL24 END 84.029
HIERARCH ESO ISS PBLA24 START 72.108
HIERARCH ESO ISS PBLA24 END 72.905
HIERARCH ESO ISS PBL34 START 58.991
HIERARCH ESO ISS PBL34 END 59.533
HIERARCH ESO ISS PBLA34 START 103.535
HIERARCH ESO ISS PBLA34 END 104.019
HIERARCH ESO ISS AMBI TAU0 START 0.00522
HIERARCH ESO ISS AMBI TAU0 END 0.004358
HIERARCH ESO ISS AMBI TEMP 11.3
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.58
HIERARCH ESO FT ROBJ NAME J0047-2053
HIERARCH ESO FT ROBJ ALPHA 004739.964
HIERARCH ESO FT ROBJ DELTA -205335.015