Exposure
ID
GRAVI.2023-09-28T07:36:43.370_1
Header ID
GRAVI.2023-09-28T07:36:43.370
Date updated
2023-09-28 07:50:55 UTC+0000
Release date
2024-09-28 07:50:55 UTC+0000
UTC Start
2023-09-28 07:36:43.370
UTC End
2023-09-28 07:43:23.370
MJD Start
60215.31716864
MJD End
60215.32179826963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0043230000000000005
Ambient temperature (°C)
11.85
Seeing (arcsec)
0.6799999999999999
Observation
ID
57128
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
42350
Name
GQC_J0420+0619
RA
65.145647
DEC
6.32239
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 46.7740 47.1590 23.4000 24.2000
U1-U3 84.8820 85.7770 31.0000 31.8000
U1-U4 114.9940 116.6030 63.1140 63.3220
U2-U3 39.0260 39.5220 40.2000 40.9000
U2-U4 84.4990 85.3420 83.8440 83.7120
U3-U4 62.3590 62.4410 109.4240 109.2040
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 60215.31716864
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME GQC J0420+0619
HIERARCH ESO INS SOBJ NAME GQC_J0420+0619
RA 65.145647
DEC 6.32239
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 46.774
HIERARCH ESO ISS PBL12 END 47.159
HIERARCH ESO ISS PBLA12 START 23.4
HIERARCH ESO ISS PBLA12 END 24.2
HIERARCH ESO ISS PBL13 START 84.882
HIERARCH ESO ISS PBL13 END 85.777
HIERARCH ESO ISS PBLA13 START 31.0
HIERARCH ESO ISS PBLA13 END 31.8
HIERARCH ESO ISS PBL14 START 114.994
HIERARCH ESO ISS PBL14 END 116.603
HIERARCH ESO ISS PBLA14 START 63.114
HIERARCH ESO ISS PBLA14 END 63.322
HIERARCH ESO ISS PBL23 START 39.026
HIERARCH ESO ISS PBL23 END 39.522
HIERARCH ESO ISS PBLA23 START 40.2
HIERARCH ESO ISS PBLA23 END 40.9
HIERARCH ESO ISS PBL24 START 84.499
HIERARCH ESO ISS PBL24 END 85.342
HIERARCH ESO ISS PBLA24 START 83.844
HIERARCH ESO ISS PBLA24 END 83.712
HIERARCH ESO ISS PBL34 START 62.359
HIERARCH ESO ISS PBL34 END 62.441
HIERARCH ESO ISS PBLA34 START 109.424
HIERARCH ESO ISS PBLA34 END 109.204
HIERARCH ESO ISS AMBI TAU0 START 0.004707
HIERARCH ESO ISS AMBI TAU0 END 0.003939
HIERARCH ESO ISS AMBI TEMP 11.85
HIERARCH ESO ISS AMBI FWHM START 0.7
HIERARCH ESO ISS AMBI FWHM END 0.66
HIERARCH ESO FT ROBJ NAME UCAC4_482-006773
HIERARCH ESO FT ROBJ ALPHA 042034.605
HIERARCH ESO FT ROBJ DELTA 061921.971