Exposure
ID
GRAVI.2024-03-29T09:21:45.310_2
Header ID
GRAVI.2024-03-29T09:21:45.310
Date updated
2024-03-29 09:40:33 UTC+0000
Release date
2025-03-29 09:40:32 UTC+0000
UTC Start
2024-03-29 09:21:45.310
UTC End
2024-03-29 09:27:45.310
MJD Start
60398.39010775
MJD End
60398.3942744167
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.006484
Ambient temperature (°C)
13.07
Seeing (arcsec)
0.495
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 56.5570 56.5490 21.8000 22.5000
U1-U3 102.4310 102.4340 28.0000 28.8000
U1-U4 129.7380 129.9380 55.7590 56.6010
U2-U3 46.6190 46.6350 35.6000 36.4000
U2-U4 88.6690 88.9230 76.6460 77.4670
U3-U4 61.6300 61.8540 106.4160 107.1360
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 60398.39010775
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 56.557
HIERARCH ESO ISS PBL12 END 56.549
HIERARCH ESO ISS PBLA12 START 21.8
HIERARCH ESO ISS PBLA12 END 22.5
HIERARCH ESO ISS PBL13 START 102.431
HIERARCH ESO ISS PBL13 END 102.434
HIERARCH ESO ISS PBLA13 START 28.0
HIERARCH ESO ISS PBLA13 END 28.8
HIERARCH ESO ISS PBL14 START 129.738
HIERARCH ESO ISS PBL14 END 129.938
HIERARCH ESO ISS PBLA14 START 55.759
HIERARCH ESO ISS PBLA14 END 56.601
HIERARCH ESO ISS PBL23 START 46.619
HIERARCH ESO ISS PBL23 END 46.635
HIERARCH ESO ISS PBLA23 START 35.6
HIERARCH ESO ISS PBLA23 END 36.4
HIERARCH ESO ISS PBL24 START 88.669
HIERARCH ESO ISS PBL24 END 88.923
HIERARCH ESO ISS PBLA24 START 76.646
HIERARCH ESO ISS PBLA24 END 77.467
HIERARCH ESO ISS PBL34 START 61.63
HIERARCH ESO ISS PBL34 END 61.854
HIERARCH ESO ISS PBLA34 START 106.416
HIERARCH ESO ISS PBLA34 END 107.136
HIERARCH ESO ISS AMBI TAU0 START 0.006484
HIERARCH ESO ISS AMBI TAU0 END 0.006484
HIERARCH ESO ISS AMBI TEMP 13.07
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.45
HIERARCH ESO FT ROBJ NAME IRS16C
HIERARCH ESO FT ROBJ ALPHA 174540.1000
HIERARCH ESO FT ROBJ DELTA -290027.6541