Exposure
ID
GRAVI.2024-03-29T09:30:24.332_2
Header ID
GRAVI.2024-03-29T09:30:24.332
Date updated
2024-03-29 09:45:30 UTC+0000
Release date
2025-03-29 09:45:30 UTC+0000
UTC Start
2024-03-29 09:30:24.332
UTC End
2024-03-29 09:36:24.332
MJD Start
60398.39611495
MJD End
60398.4002816167
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.006484
Ambient temperature (°C)
13.06
Seeing (arcsec)
0.435
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 56.5450 56.5300 22.8000 23.5000
U1-U3 102.4310 102.4140 29.1000 29.8000
U1-U4 129.9930 130.1210 56.8810 57.7010
U2-U3 46.6380 46.6410 36.7000 37.5000
U2-U4 88.9970 89.1840 77.7420 78.5500
U3-U4 61.9220 62.0990 107.3810 108.1110
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 60398.39611495
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 56.545
HIERARCH ESO ISS PBL12 END 56.53
HIERARCH ESO ISS PBLA12 START 22.8
HIERARCH ESO ISS PBLA12 END 23.5
HIERARCH ESO ISS PBL13 START 102.431
HIERARCH ESO ISS PBL13 END 102.414
HIERARCH ESO ISS PBLA13 START 29.1
HIERARCH ESO ISS PBLA13 END 29.8
HIERARCH ESO ISS PBL14 START 129.993
HIERARCH ESO ISS PBL14 END 130.121
HIERARCH ESO ISS PBLA14 START 56.881
HIERARCH ESO ISS PBLA14 END 57.701
HIERARCH ESO ISS PBL23 START 46.638
HIERARCH ESO ISS PBL23 END 46.641
HIERARCH ESO ISS PBLA23 START 36.7
HIERARCH ESO ISS PBLA23 END 37.5
HIERARCH ESO ISS PBL24 START 88.997
HIERARCH ESO ISS PBL24 END 89.184
HIERARCH ESO ISS PBLA24 START 77.742
HIERARCH ESO ISS PBLA24 END 78.55
HIERARCH ESO ISS PBL34 START 61.922
HIERARCH ESO ISS PBL34 END 62.099
HIERARCH ESO ISS PBLA34 START 107.381
HIERARCH ESO ISS PBLA34 END 108.111
HIERARCH ESO ISS AMBI TAU0 START 0.006484
HIERARCH ESO ISS AMBI TAU0 END 0.006484
HIERARCH ESO ISS AMBI TEMP 13.06
HIERARCH ESO ISS AMBI FWHM START 0.39
HIERARCH ESO ISS AMBI FWHM END 0.48
HIERARCH ESO FT ROBJ NAME IRS16C
HIERARCH ESO FT ROBJ ALPHA 174540.1000
HIERARCH ESO FT ROBJ DELTA -290027.6541