Exposure
ID
GRAVI.2025-02-15T00:56:39.658_1
Header ID
GRAVI.2025-02-15T00:56:39.658
Date updated
2025-02-15 01:15:31 UTC+0000
Release date
2026-02-15 01:15:31 UTC+0000
UTC Start
2025-02-15 00:56:39.658
UTC End
2025-02-15 01:03:19.658
MJD Start
60721.03934789
MJD End
60721.04397751963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.008374
Ambient temperature (°C)
13.01
Seeing (arcsec)
0.51
Observation
ID
64473
Category
science
Program ID
111.24ZN.001
Program Title
THE FIRST Z=2 SMBH MASSES WITH GRAVITY-WIDE
Program Type
Normal
PI / COI
SHIMIZU / SHANGGUAN / DAVIES / STURM / HOENIG / PAUMARD / MILLOUR / DEXTER / EISENHAUER / SANTOS / DE ZEEUW / CAO / FORSTER SCHREIBER / LEFTLEY / LE BOUQUIN
Target
ID
47979
Name
GQC_J0420+0619
RA
65.14637
DEC
6.32208
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 54.6540 54.8950 34.8000 35.0000
U1-U3 100.5070 100.8690 40.1000 40.1000
U1-U4 129.4430 129.0260 62.1940 61.9050
U2-U3 46.3480 46.4500 46.2000 46.2000
U2-U4 84.7090 83.8320 79.4420 79.1380
U3-U4 52.4820 51.5010 108.3700 108.5390
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 111.24ZN.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 60721.03934789
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME GQC J0420+0619
HIERARCH ESO INS SOBJ NAME GQC_J0420+0619
RA 65.14637
DEC 6.32208
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 54.654
HIERARCH ESO ISS PBL12 END 54.895
HIERARCH ESO ISS PBLA12 START 34.8
HIERARCH ESO ISS PBLA12 END 35.0
HIERARCH ESO ISS PBL13 START 100.507
HIERARCH ESO ISS PBL13 END 100.869
HIERARCH ESO ISS PBLA13 START 40.1
HIERARCH ESO ISS PBLA13 END 40.1
HIERARCH ESO ISS PBL14 START 129.443
HIERARCH ESO ISS PBL14 END 129.026
HIERARCH ESO ISS PBLA14 START 62.194
HIERARCH ESO ISS PBLA14 END 61.905
HIERARCH ESO ISS PBL23 START 46.348
HIERARCH ESO ISS PBL23 END 46.45
HIERARCH ESO ISS PBLA23 START 46.2
HIERARCH ESO ISS PBLA23 END 46.2
HIERARCH ESO ISS PBL24 START 84.709
HIERARCH ESO ISS PBL24 END 83.832
HIERARCH ESO ISS PBLA24 START 79.442
HIERARCH ESO ISS PBLA24 END 79.138
HIERARCH ESO ISS PBL34 START 52.482
HIERARCH ESO ISS PBL34 END 51.501
HIERARCH ESO ISS PBLA34 START 108.37
HIERARCH ESO ISS PBLA34 END 108.539
HIERARCH ESO ISS AMBI TAU0 START 0.007665
HIERARCH ESO ISS AMBI TAU0 END 0.009083
HIERARCH ESO ISS AMBI TEMP 13.01
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.5
HIERARCH ESO FT ROBJ NAME UCAC4_482-006773
HIERARCH ESO FT ROBJ ALPHA 042034.605
HIERARCH ESO FT ROBJ DELTA 061921.971