Exposure
ID
GRAVI.2024-05-29T03:00:24.998_2
Header ID
GRAVI.2024-05-29T03:00:24.998
Date updated
2024-05-29 03:20:28 UTC+0000
Release date
2025-05-29 03:20:28 UTC+0000
UTC Start
2024-05-29 03:00:24.998
UTC End
2024-05-29 03:06:24.998
MJD Start
60459.12528933
MJD End
60459.1294559967
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0039225
Ambient temperature (°C)
14.64
Seeing (arcsec)
0.56
Observation
ID
59423
Category
science
Program ID
113.268P.002
Program Title
THE GALACTIC CENTER WITH GRAVITY - MEASURING THE SPIN OF SGR A* BY MEANS OF DEEP GRAVITY INTERFEROMETRY
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 / LE BOUQUIN / KREIDBERG /
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 56.2370 56.2450 2.6000 3.6000
U1-U3 100.8330 100.8950 7.6000 8.6000
U1-U4 116.4850 117.2450 31.6770 33.0510
U2-U3 45.0670 45.1400 13.8000 14.9000
U2-U4 72.6430 73.6770 53.7510 55.1170
U3-U4 47.8650 48.8430 90.9870 91.7450
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.268P.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 60459.12528933
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME IRS16C
HIERARCH ESO INS SOBJ NAME SGRA
RA 266.416878
DEC -29.00732
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 56.237
HIERARCH ESO ISS PBL12 END 56.245
HIERARCH ESO ISS PBLA12 START 2.6
HIERARCH ESO ISS PBLA12 END 3.6
HIERARCH ESO ISS PBL13 START 100.833
HIERARCH ESO ISS PBL13 END 100.895
HIERARCH ESO ISS PBLA13 START 7.6
HIERARCH ESO ISS PBLA13 END 8.6
HIERARCH ESO ISS PBL14 START 116.485
HIERARCH ESO ISS PBL14 END 117.245
HIERARCH ESO ISS PBLA14 START 31.677
HIERARCH ESO ISS PBLA14 END 33.051
HIERARCH ESO ISS PBL23 START 45.067
HIERARCH ESO ISS PBL23 END 45.14
HIERARCH ESO ISS PBLA23 START 13.8
HIERARCH ESO ISS PBLA23 END 14.9
HIERARCH ESO ISS PBL24 START 72.643
HIERARCH ESO ISS PBL24 END 73.677
HIERARCH ESO ISS PBLA24 START 53.751
HIERARCH ESO ISS PBLA24 END 55.117
HIERARCH ESO ISS PBL34 START 47.865
HIERARCH ESO ISS PBL34 END 48.843
HIERARCH ESO ISS PBLA34 START 90.987
HIERARCH ESO ISS PBLA34 END 91.745
HIERARCH ESO ISS AMBI TAU0 START 0.002891
HIERARCH ESO ISS AMBI TAU0 END 0.004954
HIERARCH ESO ISS AMBI TEMP 14.64
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.51
HIERARCH ESO FT ROBJ NAME IRS16C
HIERARCH ESO FT ROBJ ALPHA 174540.1000
HIERARCH ESO FT ROBJ DELTA -290027.6541