Exposure
ID
GRAVI.2024-03-29T07:56:27.093_2
Header ID
GRAVI.2024-03-29T07:56:27.093
Date updated
2024-03-29 08:10:30 UTC+0000
Release date
2025-03-29 08:10:29 UTC+0000
UTC Start
2024-03-29 07:56:27.093
UTC End
2024-03-29 08:02:27.093
MJD Start
60398.33086913
MJD End
60398.3350357967
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.006484
Ambient temperature (°C)
12.88
Seeing (arcsec)
0.455
Observation
ID
58832
Category
science
Program ID
112.25CV.001
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/ WIDMANN/ DRESCHER/ RIBEIRO/ SADUN BORDONI/ STRAUBMEIER/ BRANDNER/ PERRIN/ ROUSSELET-PERRAUT/ GARCIA/ MANG/ PAUMARD/ ECKART/ VINCENT/ BOURDAROT/ LUTZ/ STURM/ CAO/ HORROBIN/ DE ZEEUW
Target
ID
43560
Name
IRS16C
RA
266.417083333333
DEC
-29.0076816944444
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 56.3700 56.3920 10.7000 11.6000
U1-U3 101.5380 101.6320 16.3000 17.3000
U1-U4 123.0580 123.7600 42.6840 43.8160
U2-U3 45.7850 45.8710 23.3000 24.4000
U2-U4 80.9840 81.8120 64.3450 65.4030
U3-U4 55.3110 56.0050 97.2530 97.9420
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 112.25CV.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 60398.33086913
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME IRS16C
HIERARCH ESO INS SOBJ NAME SGRA
RA 266.416809
DEC -29.00729
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 56.37
HIERARCH ESO ISS PBL12 END 56.392
HIERARCH ESO ISS PBLA12 START 10.7
HIERARCH ESO ISS PBLA12 END 11.6
HIERARCH ESO ISS PBL13 START 101.538
HIERARCH ESO ISS PBL13 END 101.632
HIERARCH ESO ISS PBLA13 START 16.3
HIERARCH ESO ISS PBLA13 END 17.3
HIERARCH ESO ISS PBL14 START 123.058
HIERARCH ESO ISS PBL14 END 123.76
HIERARCH ESO ISS PBLA14 START 42.684
HIERARCH ESO ISS PBLA14 END 43.816
HIERARCH ESO ISS PBL23 START 45.785
HIERARCH ESO ISS PBL23 END 45.871
HIERARCH ESO ISS PBLA23 START 23.3
HIERARCH ESO ISS PBLA23 END 24.4
HIERARCH ESO ISS PBL24 START 80.984
HIERARCH ESO ISS PBL24 END 81.812
HIERARCH ESO ISS PBLA24 START 64.345
HIERARCH ESO ISS PBLA24 END 65.403
HIERARCH ESO ISS PBL34 START 55.311
HIERARCH ESO ISS PBL34 END 56.005
HIERARCH ESO ISS PBLA34 START 97.253
HIERARCH ESO ISS PBLA34 END 97.942
HIERARCH ESO ISS AMBI TAU0 START 0.006484
HIERARCH ESO ISS AMBI TAU0 END 0.006484
HIERARCH ESO ISS AMBI TEMP 12.88
HIERARCH ESO ISS AMBI FWHM START 0.41
HIERARCH ESO ISS AMBI FWHM END 0.5
HIERARCH ESO FT ROBJ NAME IRS16C
HIERARCH ESO FT ROBJ ALPHA 174540.1000
HIERARCH ESO FT ROBJ DELTA -290027.6541