Exposure
ID
GRAVI.2024-06-24T04:23:02.983_1
Header ID
GRAVI.2024-06-24T04:23:02.983
Date updated
2024-06-24 04:35:38 UTC+0000
Release date
2025-06-24 04:35:38 UTC+0000
UTC Start
2024-06-24 04:23:02.983
UTC End
2024-06-24 04:29:02.983
MJD Start
60485.18267341
MJD End
60485.1868400767
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.002264
Ambient temperature (°C)
9.99
Seeing (arcsec)
0.925
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 56.3870 56.3340 26.7000 27.4000
U1-U3 102.1380 102.0230 33.1000 33.8000
U1-U4 130.0040 129.8150 61.1490 61.8840
U2-U3 46.5190 46.4580 40.8000 41.5000
U2-U4 89.3820 89.2840 82.0510 82.8220
U3-U4 62.4700 62.4640 111.4670 112.2490
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 60485.18267341
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 56.387
HIERARCH ESO ISS PBL12 END 56.334
HIERARCH ESO ISS PBLA12 START 26.7
HIERARCH ESO ISS PBLA12 END 27.4
HIERARCH ESO ISS PBL13 START 102.138
HIERARCH ESO ISS PBL13 END 102.023
HIERARCH ESO ISS PBLA13 START 33.1
HIERARCH ESO ISS PBLA13 END 33.8
HIERARCH ESO ISS PBL14 START 130.004
HIERARCH ESO ISS PBL14 END 129.815
HIERARCH ESO ISS PBLA14 START 61.149
HIERARCH ESO ISS PBLA14 END 61.884
HIERARCH ESO ISS PBL23 START 46.519
HIERARCH ESO ISS PBL23 END 46.458
HIERARCH ESO ISS PBLA23 START 40.8
HIERARCH ESO ISS PBLA23 END 41.5
HIERARCH ESO ISS PBL24 START 89.382
HIERARCH ESO ISS PBL24 END 89.284
HIERARCH ESO ISS PBLA24 START 82.051
HIERARCH ESO ISS PBLA24 END 82.822
HIERARCH ESO ISS PBL34 START 62.47
HIERARCH ESO ISS PBL34 END 62.464
HIERARCH ESO ISS PBLA34 START 111.467
HIERARCH ESO ISS PBLA34 END 112.249
HIERARCH ESO ISS AMBI TAU0 START 0.002264
HIERARCH ESO ISS AMBI TAU0 END 0.002264
HIERARCH ESO ISS AMBI TEMP 9.99
HIERARCH ESO ISS AMBI FWHM START 0.91
HIERARCH ESO ISS AMBI FWHM END 0.94
HIERARCH ESO FT ROBJ NAME IRS16C
HIERARCH ESO FT ROBJ ALPHA 174540.1000
HIERARCH ESO FT ROBJ DELTA -290027.6541