Exposure
ID
GRAVI.2025-07-09T07:20:32.066_1
Header ID
GRAVI.2025-07-09T07:20:32.066
Date updated
2025-07-09 07:35:27 UTC+0000
Release date
2026-07-09 07:35:27 UTC+0000
UTC Start
2025-07-09 07:20:32.066
UTC End
2025-07-09 07:27:12.066
MJD Start
60865.30592669
MJD End
60865.31055631963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0029365
Ambient temperature (°C)
13.51
Seeing (arcsec)
0.56
Observation
ID
68470
Category
science
Program ID
113.26QY.002
Program Title
THE FIRST Z=2 SMBH MASSES WITH GRAVITY-WIDE
Program Type
Normal
PI / COI
SHIMIZU / EISENHAUER / GENZEL / SHANGGUAN / DAVIES / STURM / LUTZ / SANTOS / CAO / TACCONI / FORSTER SCHREIBER / DE ZEEUW / HOENIG / MILLOUR / DEXTER / LEFTLEY / PAUMARD / PETROV / CLÉNET / LOPEZ / PERRIN
Target
ID
50905
Name
GQC_J2133-5100
RA
323.271132
DEC
-51.01599
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 51.4570 51.2250 30.4000 31.4000
U1-U3 94.1080 93.6300 37.2000 38.2000
U1-U4 125.9920 125.4000 65.5080 66.7310
U2-U3 43.4410 43.2060 45.3000 46.3000
U2-U4 88.9340 88.7400 84.9230 86.2550
U3-U4 62.0100 62.1340 111.4630 112.7580
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26QY.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 60865.30592669
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME GQC J2133-5100
HIERARCH ESO INS SOBJ NAME GQC_J2133-5100
RA 323.271132
DEC -51.01599
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 51.457
HIERARCH ESO ISS PBL12 END 51.225
HIERARCH ESO ISS PBLA12 START 30.4
HIERARCH ESO ISS PBLA12 END 31.4
HIERARCH ESO ISS PBL13 START 94.108
HIERARCH ESO ISS PBL13 END 93.63
HIERARCH ESO ISS PBLA13 START 37.2
HIERARCH ESO ISS PBLA13 END 38.2
HIERARCH ESO ISS PBL14 START 125.992
HIERARCH ESO ISS PBL14 END 125.4
HIERARCH ESO ISS PBLA14 START 65.508
HIERARCH ESO ISS PBLA14 END 66.731
HIERARCH ESO ISS PBL23 START 43.441
HIERARCH ESO ISS PBL23 END 43.206
HIERARCH ESO ISS PBLA23 START 45.3
HIERARCH ESO ISS PBLA23 END 46.3
HIERARCH ESO ISS PBL24 START 88.934
HIERARCH ESO ISS PBL24 END 88.74
HIERARCH ESO ISS PBLA24 START 84.923
HIERARCH ESO ISS PBLA24 END 86.255
HIERARCH ESO ISS PBL34 START 62.01
HIERARCH ESO ISS PBL34 END 62.134
HIERARCH ESO ISS PBLA34 START 111.463
HIERARCH ESO ISS PBLA34 END 112.758
HIERARCH ESO ISS AMBI TAU0 START 0.003303
HIERARCH ESO ISS AMBI TAU0 END 0.00257
HIERARCH ESO ISS AMBI TEMP 13.51
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.6
HIERARCH ESO FT ROBJ NAME TYC_8435-201-1
HIERARCH ESO FT ROBJ ALPHA 213305.577
HIERARCH ESO FT ROBJ DELTA -510103.071