Exposure
ID
GRAVI.2023-06-03T06:15:27.630_2
Header ID
GRAVI.2023-06-03T06:15:27.630
Date updated
2023-06-03 06:30:49 UTC+0000
Release date
2024-06-03 06:30:49 UTC+0000
UTC Start
2023-06-03 06:15:27.630
UTC End
2023-06-03 06:21:27.630
MJD Start
60098.26073646
MJD End
60098.2649031267
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.00354
Ambient temperature (°C)
13.73
Seeing (arcsec)
0.535
Observation
ID
55616
Category
science
Program ID
111.24H1.002
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 56.1070 56.0150 29.4000 30.0000
U1-U3 101.5130 101.3000 35.8000 36.4000
U1-U4 128.7950 128.3310 64.1170 64.8120
U2-U3 46.1760 46.0550 43.6000 44.2000
U2-U4 88.6200 88.2930 85.2410 86.0180
U3-U4 62.2350 62.0960 114.8030 115.6570
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 111.24H1.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 60098.26073646
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME IRS16C
HIERARCH ESO INS SOBJ NAME S4
RA 266.416794
DEC -29.00721
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 56.107
HIERARCH ESO ISS PBL12 END 56.015
HIERARCH ESO ISS PBLA12 START 29.4
HIERARCH ESO ISS PBLA12 END 30.0
HIERARCH ESO ISS PBL13 START 101.513
HIERARCH ESO ISS PBL13 END 101.3
HIERARCH ESO ISS PBLA13 START 35.8
HIERARCH ESO ISS PBLA13 END 36.4
HIERARCH ESO ISS PBL14 START 128.795
HIERARCH ESO ISS PBL14 END 128.331
HIERARCH ESO ISS PBLA14 START 64.117
HIERARCH ESO ISS PBLA14 END 64.812
HIERARCH ESO ISS PBL23 START 46.176
HIERARCH ESO ISS PBL23 END 46.055
HIERARCH ESO ISS PBLA23 START 43.6
HIERARCH ESO ISS PBLA23 END 44.2
HIERARCH ESO ISS PBL24 START 88.62
HIERARCH ESO ISS PBL24 END 88.293
HIERARCH ESO ISS PBLA24 START 85.241
HIERARCH ESO ISS PBLA24 END 86.018
HIERARCH ESO ISS PBL34 START 62.235
HIERARCH ESO ISS PBL34 END 62.096
HIERARCH ESO ISS PBLA34 START 114.803
HIERARCH ESO ISS PBLA34 END 115.657
HIERARCH ESO ISS AMBI TAU0 START 0.00354
HIERARCH ESO ISS AMBI TAU0 END 0.00354
HIERARCH ESO ISS AMBI TEMP 13.73
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.55
HIERARCH ESO FT ROBJ NAME IRS16C
HIERARCH ESO FT ROBJ ALPHA 174540.1060
HIERARCH ESO FT ROBJ DELTA -290027.5231