Exposure
ID
GRAVI.2024-03-27T04:56:05.057_1
Header ID
GRAVI.2024-03-27T04:56:05.057
Date updated
2024-03-27 05:05:31 UTC+0000
Release date
2025-03-27 05:05:31 UTC+0000
UTC Start
2024-03-27 04:56:05.057
UTC End
2024-03-27 04:58:05.057
MJD Start
60396.20561408
MJD End
60396.2070029689
Exposure time (s)
120.0
Validation level
1
Tau 0: Coherence time (s)
0.00719
Ambient temperature (°C)
14.02
Seeing (arcsec)
0.635
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 54.9630 54.9130 26.6000 26.9000
U1-U3 99.9030 99.7980 33.1000 33.4000
U1-U4 129.1800 129.0570 61.0040 61.3770
U2-U3 45.7070 45.6550 40.8000 41.2000
U2-U4 89.3790 89.3510 81.3220 81.7220
U3-U4 62.1540 62.2020 109.8380 110.2250
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 60396.20561408
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 54.963
HIERARCH ESO ISS PBL12 END 54.913
HIERARCH ESO ISS PBLA12 START 26.6
HIERARCH ESO ISS PBLA12 END 26.9
HIERARCH ESO ISS PBL13 START 99.903
HIERARCH ESO ISS PBL13 END 99.798
HIERARCH ESO ISS PBLA13 START 33.1
HIERARCH ESO ISS PBLA13 END 33.4
HIERARCH ESO ISS PBL14 START 129.18
HIERARCH ESO ISS PBL14 END 129.057
HIERARCH ESO ISS PBLA14 START 61.004
HIERARCH ESO ISS PBLA14 END 61.377
HIERARCH ESO ISS PBL23 START 45.707
HIERARCH ESO ISS PBL23 END 45.655
HIERARCH ESO ISS PBLA23 START 40.8
HIERARCH ESO ISS PBLA23 END 41.2
HIERARCH ESO ISS PBL24 START 89.379
HIERARCH ESO ISS PBL24 END 89.351
HIERARCH ESO ISS PBLA24 START 81.322
HIERARCH ESO ISS PBLA24 END 81.722
HIERARCH ESO ISS PBL34 START 62.154
HIERARCH ESO ISS PBL34 END 62.202
HIERARCH ESO ISS PBLA34 START 109.838
HIERARCH ESO ISS PBLA34 END 110.225
HIERARCH ESO ISS AMBI TAU0 START 0.007051
HIERARCH ESO ISS AMBI TAU0 END 0.007329
HIERARCH ESO ISS AMBI TEMP 14.02
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.69