Exposure
ID
GRAVI.2023-07-07T06:04:35.963_2
Header ID
GRAVI.2023-07-07T06:04:35.963
Date updated
2023-07-07 06:21:34 UTC+0000
Release date
2024-07-07 06:21:34 UTC+0000
UTC Start
2023-07-07 06:04:35.963
UTC End
2023-07-07 06:10:35.963
MJD Start
60132.25319402
MJD End
60132.2573606867
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0045575
Ambient temperature (°C)
9.07
Seeing (arcsec)
0.62
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 52.2640 51.9210 38.6000 38.9000
U1-U3 92.6340 91.8510 44.8000 45.1000
U1-U4 108.2980 106.5220 75.7020 76.2570
U2-U3 41.0720 40.6260 52.8000 53.1000
U2-U4 73.6890 72.4320 101.0230 102.0140
U3-U4 55.5560 55.0460 134.4940 135.8150
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 60132.25319402
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME IRS16C
HIERARCH ESO INS SOBJ NAME S4
RA 266.416849
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 52.264
HIERARCH ESO ISS PBL12 END 51.921
HIERARCH ESO ISS PBLA12 START 38.6
HIERARCH ESO ISS PBLA12 END 38.9
HIERARCH ESO ISS PBL13 START 92.634
HIERARCH ESO ISS PBL13 END 91.851
HIERARCH ESO ISS PBLA13 START 44.8
HIERARCH ESO ISS PBLA13 END 45.1
HIERARCH ESO ISS PBL14 START 108.298
HIERARCH ESO ISS PBL14 END 106.522
HIERARCH ESO ISS PBLA14 START 75.702
HIERARCH ESO ISS PBLA14 END 76.257
HIERARCH ESO ISS PBL23 START 41.072
HIERARCH ESO ISS PBL23 END 40.626
HIERARCH ESO ISS PBLA23 START 52.8
HIERARCH ESO ISS PBLA23 END 53.1
HIERARCH ESO ISS PBL24 START 73.689
HIERARCH ESO ISS PBL24 END 72.432
HIERARCH ESO ISS PBLA24 START 101.023
HIERARCH ESO ISS PBLA24 END 102.014
HIERARCH ESO ISS PBL34 START 55.556
HIERARCH ESO ISS PBL34 END 55.046
HIERARCH ESO ISS PBLA34 START 134.494
HIERARCH ESO ISS PBLA34 END 135.815
HIERARCH ESO ISS AMBI TAU0 START 0.003682
HIERARCH ESO ISS AMBI TAU0 END 0.005433
HIERARCH ESO ISS AMBI TEMP 9.07
HIERARCH ESO ISS AMBI FWHM START 0.7
HIERARCH ESO ISS AMBI FWHM END 0.54
HIERARCH ESO FT ROBJ NAME IRS16C
HIERARCH ESO FT ROBJ ALPHA 174540.1060
HIERARCH ESO FT ROBJ DELTA -290027.5231