Exposure
ID
GRAVI.2024-03-28T08:45:32.966_2
Header ID
GRAVI.2024-03-28T08:45:32.966
Date updated
2024-03-28 09:00:18 UTC+0000
Release date
2025-03-28 09:00:18 UTC+0000
UTC Start
2024-03-28 08:45:32.966
UTC End
2024-03-28 08:51:32.966
MJD Start
60397.36496488
MJD End
60397.3691315467
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0060035
Ambient temperature (°C)
12.39
Seeing (arcsec)
0.875
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 56.5130 56.5280 16.8000 17.6000
U1-U3 102.1510 102.2210 22.8000 23.7000
U1-U4 127.4110 127.8990 50.0930 51.0560
U2-U3 46.3390 46.4020 30.2000 31.1000
U2-U4 85.9940 86.5450 71.2590 72.1630
U3-U4 59.4330 59.8790 102.0620 102.7510
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 60397.36496488
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME IRS16C
HIERARCH ESO INS SOBJ NAME SGRA
RA 266.416909
DEC -29.00728
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 56.513
HIERARCH ESO ISS PBL12 END 56.528
HIERARCH ESO ISS PBLA12 START 16.8
HIERARCH ESO ISS PBLA12 END 17.6
HIERARCH ESO ISS PBL13 START 102.151
HIERARCH ESO ISS PBL13 END 102.221
HIERARCH ESO ISS PBLA13 START 22.8
HIERARCH ESO ISS PBLA13 END 23.7
HIERARCH ESO ISS PBL14 START 127.411
HIERARCH ESO ISS PBL14 END 127.899
HIERARCH ESO ISS PBLA14 START 50.093
HIERARCH ESO ISS PBLA14 END 51.056
HIERARCH ESO ISS PBL23 START 46.339
HIERARCH ESO ISS PBL23 END 46.402
HIERARCH ESO ISS PBLA23 START 30.2
HIERARCH ESO ISS PBLA23 END 31.1
HIERARCH ESO ISS PBL24 START 85.994
HIERARCH ESO ISS PBL24 END 86.545
HIERARCH ESO ISS PBLA24 START 71.259
HIERARCH ESO ISS PBLA24 END 72.163
HIERARCH ESO ISS PBL34 START 59.433
HIERARCH ESO ISS PBL34 END 59.879
HIERARCH ESO ISS PBLA34 START 102.062
HIERARCH ESO ISS PBLA34 END 102.751
HIERARCH ESO ISS AMBI TAU0 START 0.005175
HIERARCH ESO ISS AMBI TAU0 END 0.006832
HIERARCH ESO ISS AMBI TEMP 12.39
HIERARCH ESO ISS AMBI FWHM START 0.87
HIERARCH ESO ISS AMBI FWHM END 0.88
HIERARCH ESO FT ROBJ NAME IRS16C
HIERARCH ESO FT ROBJ ALPHA 174540.1000
HIERARCH ESO FT ROBJ DELTA -290027.6541