Exposure
ID
GRAVI.2024-03-27T05:05:41.081_1
Header ID
GRAVI.2024-03-27T05:05:41.081
Date updated
2024-03-27 05:15:26 UTC+0000
Release date
2025-03-27 05:15:26 UTC+0000
UTC Start
2024-03-27 05:05:41.081
UTC End
2024-03-27 05:07:41.081
MJD Start
60396.21228103
MJD End
60396.2136699189
Exposure time (s)
120.0
Validation level
1
Tau 0: Coherence time (s)
0.00587
Ambient temperature (°C)
13.7
Seeing (arcsec)
0.72
Observation
ID
58842
Category
science
Program ID
113.26T9.001
Program Title
FIRST SYSTEMATIC SEARCH FOR PARSEC-SCALE SUPERMASSIVE BLACK HOLE BINARIES WITH VLTI/GRAVITY
Program Type
Normal
PI / COI
SHANGGUAN / SHIMIZU / GENZEL / DAVIES / STURM / LUTZ / EISENHAUER / TACCONI / FORSTER SCHREIBER / DEXTER / SANTOS / CAO / HOENIG / PERRIN / PETROV / PAUMARD / CLÉNET / DE ZEEUW / LEFTLEY / SYKES / LI
Target
ID
43565
Name
NGC_4507
RA
188.905575
DEC
-39.90869
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 54.7620 54.7060 27.8000 28.1000
U1-U3 99.4850 99.3690 34.3000 34.6000
U1-U4 128.6670 128.5150 62.4260 62.7920
U2-U3 45.4990 45.4410 42.1000 42.4000
U2-U4 89.2380 89.1870 82.8530 83.2510
U3-U4 62.3150 62.3470 111.3260 111.7160
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26T9.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60396.21228103
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME NGC 4507
HIERARCH ESO INS SOBJ NAME NGC_4507
RA 188.905575
DEC -39.90869
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 150.0
HIERARCH ESO DET2 SEQ1 DIT 1.0
HIERARCH ESO DET2 NDIT 120
HIERARCH ESO ISS PBL12 START 54.762
HIERARCH ESO ISS PBL12 END 54.706
HIERARCH ESO ISS PBLA12 START 27.8
HIERARCH ESO ISS PBLA12 END 28.1
HIERARCH ESO ISS PBL13 START 99.485
HIERARCH ESO ISS PBL13 END 99.369
HIERARCH ESO ISS PBLA13 START 34.3
HIERARCH ESO ISS PBLA13 END 34.6
HIERARCH ESO ISS PBL14 START 128.667
HIERARCH ESO ISS PBL14 END 128.515
HIERARCH ESO ISS PBLA14 START 62.426
HIERARCH ESO ISS PBLA14 END 62.792
HIERARCH ESO ISS PBL23 START 45.499
HIERARCH ESO ISS PBL23 END 45.441
HIERARCH ESO ISS PBLA23 START 42.1
HIERARCH ESO ISS PBLA23 END 42.4
HIERARCH ESO ISS PBL24 START 89.238
HIERARCH ESO ISS PBL24 END 89.187
HIERARCH ESO ISS PBLA24 START 82.853
HIERARCH ESO ISS PBLA24 END 83.251
HIERARCH ESO ISS PBL34 START 62.315
HIERARCH ESO ISS PBL34 END 62.347
HIERARCH ESO ISS PBLA34 START 111.326
HIERARCH ESO ISS PBLA34 END 111.716
HIERARCH ESO ISS AMBI TAU0 START 0.00587
HIERARCH ESO ISS AMBI TAU0 END 0.00587
HIERARCH ESO ISS AMBI TEMP 13.7
HIERARCH ESO ISS AMBI FWHM START 0.72
HIERARCH ESO ISS AMBI FWHM END 0.72