Exposure
ID
GRAVI.2024-06-24T04:52:15.057_1
Header ID
GRAVI.2024-06-24T04:52:15.057
Date updated
2024-06-24 05:05:32 UTC+0000
Release date
2025-06-24 05:05:31 UTC+0000
UTC Start
2024-06-24 04:52:15.057
UTC End
2024-06-24 04:58:15.057
MJD Start
60485.20295205
MJD End
60485.2071187167
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.002264
Ambient temperature (°C)
9.91
Seeing (arcsec)
1.195
Observation
ID
59758
Category
science
Program ID
113.268P.003
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
44321
Name
SGRA
RA
266.416828
DEC
-29.00731
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
LOW-SPLIT
Instrument sub-mode
DUAL
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 56.0770 55.9820 29.6000 30.3000
U1-U3 101.4430 101.2240 36.0000 36.6000
U1-U4 128.6440 128.1620 64.3620 65.0440
U2-U3 46.1360 46.0120 43.8000 44.4000
U2-U4 88.5140 88.1730 85.5130 86.2800
U3-U4 62.1910 62.0430 115.1000 115.9470
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.268P.003
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 60485.20295205
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME IRS16C
HIERARCH ESO INS SOBJ NAME SGRA
RA 266.416828
DEC -29.00731
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 56.077
HIERARCH ESO ISS PBL12 END 55.982
HIERARCH ESO ISS PBLA12 START 29.6
HIERARCH ESO ISS PBLA12 END 30.3
HIERARCH ESO ISS PBL13 START 101.443
HIERARCH ESO ISS PBL13 END 101.224
HIERARCH ESO ISS PBLA13 START 36.0
HIERARCH ESO ISS PBLA13 END 36.6
HIERARCH ESO ISS PBL14 START 128.644
HIERARCH ESO ISS PBL14 END 128.162
HIERARCH ESO ISS PBLA14 START 64.362
HIERARCH ESO ISS PBLA14 END 65.044
HIERARCH ESO ISS PBL23 START 46.136
HIERARCH ESO ISS PBL23 END 46.012
HIERARCH ESO ISS PBLA23 START 43.8
HIERARCH ESO ISS PBLA23 END 44.4
HIERARCH ESO ISS PBL24 START 88.514
HIERARCH ESO ISS PBL24 END 88.173
HIERARCH ESO ISS PBLA24 START 85.513
HIERARCH ESO ISS PBLA24 END 86.28
HIERARCH ESO ISS PBL34 START 62.191
HIERARCH ESO ISS PBL34 END 62.043
HIERARCH ESO ISS PBLA34 START 115.1
HIERARCH ESO ISS PBLA34 END 115.947
HIERARCH ESO ISS AMBI TAU0 START 0.002264
HIERARCH ESO ISS AMBI TAU0 END 0.002264
HIERARCH ESO ISS AMBI TEMP 9.91
HIERARCH ESO ISS AMBI FWHM START 1.09
HIERARCH ESO ISS AMBI FWHM END 1.3
HIERARCH ESO FT ROBJ NAME IRS16C
HIERARCH ESO FT ROBJ ALPHA 174540.1000
HIERARCH ESO FT ROBJ DELTA -290027.6541