Exposure
ID
GRAVI.2023-07-05T02:01:52.056_2
Header ID
GRAVI.2023-07-05T02:01:52.056
Date updated
2023-07-05 02:16:25 UTC+0000
Release date
2024-07-05 02:16:24 UTC+0000
UTC Start
2023-07-05 02:01:52.056
UTC End
2023-07-05 02:07:52.056
MJD Start
60130.08463028
MJD End
60130.0887969467
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.004685
Ambient temperature (°C)
13.45
Seeing (arcsec)
0.875
Observation
ID
56080
Category
science
Program ID
111.24H1.003
Program Title
THE GALACTIC CENTER WITH GRAVITY - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
Program Type
GTO
PI / COI
EISENHAUER/ GILLESSEN/ GENZEL/ OTT/ STRAUBMEIER/ BRANDNER/ ROUSSELET-PERRAUT/ PERRIN/ GARCIA/ ECKART/ DE ZEEUW/ WIDMANN/ PAUMARD/ HORROBIN/ VINCENT/ DRESCHER/ BOURDAROT/ CAO/ LUTZ/ STURM/ RIBEIRO
Target
ID
41180
Name
IRS16C
RA
266.417108333333
DEC
-29.0076453055556
Instrument
Interferometer
VLTI
Instrument
GRAVITY_FT
Instrument mode
LOW
Instrument sub-mode
DUAL
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 56.4620 56.4820 14.5000 15.3000
U1-U3 101.9340 102.0200 20.4000 21.3000
U1-U4 125.9090 126.4990 47.3780 48.4080
U2-U3 46.1440 46.2200 27.7000 28.6000
U2-U4 84.2930 84.9630 68.7240 69.6840
U3-U4 58.0520 58.5970 100.2100 100.8980
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 111.24H1.003
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 60130.08463028
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME IRS16C
HIERARCH ESO INS SOBJ NAME S4
RA 266.416855
DEC -29.0073
HIERARCH ESO INS SPEC RES LOW
HIERARCH ESO INS POLA MODE SPLIT
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 389.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 56.462
HIERARCH ESO ISS PBL12 END 56.482
HIERARCH ESO ISS PBLA12 START 14.5
HIERARCH ESO ISS PBLA12 END 15.3
HIERARCH ESO ISS PBL13 START 101.934
HIERARCH ESO ISS PBL13 END 102.02
HIERARCH ESO ISS PBLA13 START 20.4
HIERARCH ESO ISS PBLA13 END 21.3
HIERARCH ESO ISS PBL14 START 125.909
HIERARCH ESO ISS PBL14 END 126.499
HIERARCH ESO ISS PBLA14 START 47.378
HIERARCH ESO ISS PBLA14 END 48.408
HIERARCH ESO ISS PBL23 START 46.144
HIERARCH ESO ISS PBL23 END 46.22
HIERARCH ESO ISS PBLA23 START 27.7
HIERARCH ESO ISS PBLA23 END 28.6
HIERARCH ESO ISS PBL24 START 84.293
HIERARCH ESO ISS PBL24 END 84.963
HIERARCH ESO ISS PBLA24 START 68.724
HIERARCH ESO ISS PBLA24 END 69.684
HIERARCH ESO ISS PBL34 START 58.052
HIERARCH ESO ISS PBL34 END 58.597
HIERARCH ESO ISS PBLA34 START 100.21
HIERARCH ESO ISS PBLA34 END 100.898
HIERARCH ESO ISS AMBI TAU0 START 0.004859
HIERARCH ESO ISS AMBI TAU0 END 0.004511
HIERARCH ESO ISS AMBI TEMP 13.45
HIERARCH ESO ISS AMBI FWHM START 0.9
HIERARCH ESO ISS AMBI FWHM END 0.85
HIERARCH ESO FT ROBJ NAME IRS16C
HIERARCH ESO FT ROBJ ALPHA 174540.1060
HIERARCH ESO FT ROBJ DELTA -290027.5231