Exposure
ID
GRAVI.2024-06-24T04:37:24.019_2
Header ID
GRAVI.2024-06-24T04:37:24.019
Date updated
2024-06-24 04:55:34 UTC+0000
Release date
2025-06-24 04:55:33 UTC+0000
UTC Start
2024-06-24 04:37:24.019
UTC End
2024-06-24 04:43:24.019
MJD Start
60485.19263911
MJD End
60485.1968057767
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.002264
Ambient temperature (°C)
10.0
Seeing (arcsec)
1.05
Observation
ID
59742
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
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 56.2580 56.1860 28.2000 28.8000
U1-U3 101.8540 101.6910 34.6000 35.2000
U1-U4 129.5000 129.1710 62.7550 63.4600
U2-U3 46.3670 46.2760 42.3000 43.0000
U2-U4 89.0930 88.8770 83.7520 84.5160
U3-U4 62.4140 62.3370 113.2120 114.0210
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 60485.19263911
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 56.258
HIERARCH ESO ISS PBL12 END 56.186
HIERARCH ESO ISS PBLA12 START 28.2
HIERARCH ESO ISS PBLA12 END 28.8
HIERARCH ESO ISS PBL13 START 101.854
HIERARCH ESO ISS PBL13 END 101.691
HIERARCH ESO ISS PBLA13 START 34.6
HIERARCH ESO ISS PBLA13 END 35.2
HIERARCH ESO ISS PBL14 START 129.5
HIERARCH ESO ISS PBL14 END 129.171
HIERARCH ESO ISS PBLA14 START 62.755
HIERARCH ESO ISS PBLA14 END 63.46
HIERARCH ESO ISS PBL23 START 46.367
HIERARCH ESO ISS PBL23 END 46.276
HIERARCH ESO ISS PBLA23 START 42.3
HIERARCH ESO ISS PBLA23 END 43.0
HIERARCH ESO ISS PBL24 START 89.093
HIERARCH ESO ISS PBL24 END 88.877
HIERARCH ESO ISS PBLA24 START 83.752
HIERARCH ESO ISS PBLA24 END 84.516
HIERARCH ESO ISS PBL34 START 62.414
HIERARCH ESO ISS PBL34 END 62.337
HIERARCH ESO ISS PBLA34 START 113.212
HIERARCH ESO ISS PBLA34 END 114.021
HIERARCH ESO ISS AMBI TAU0 START 0.002264
HIERARCH ESO ISS AMBI TAU0 END 0.002264
HIERARCH ESO ISS AMBI TEMP 10.0
HIERARCH ESO ISS AMBI FWHM START 1.24
HIERARCH ESO ISS AMBI FWHM END 0.86
HIERARCH ESO FT ROBJ NAME IRS16C
HIERARCH ESO FT ROBJ ALPHA 174540.1000
HIERARCH ESO FT ROBJ DELTA -290027.6541