Exposure
ID
GRAVI.2024-06-24T03:18:05.818_2
Header ID
GRAVI.2024-06-24T03:18:05.818
Date updated
2024-06-24 03:35:31 UTC+0000
Release date
2025-06-24 03:35:31 UTC+0000
UTC Start
2024-06-24 03:18:05.818
UTC End
2024-06-24 03:24:05.818
MJD Start
60485.13756734
MJD End
60485.1417340067
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.002264
Ambient temperature (°C)
10.14
Seeing (arcsec)
0.645
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 56.5490 56.5560 19.1000 19.9000
U1-U3 102.3280 102.3720 25.3000 26.1000
U1-U4 128.7020 129.0670 52.8050 53.7110
U2-U3 46.5030 46.5470 32.8000 33.7000
U2-U4 87.4550 87.8730 73.8150 74.6760
U3-U4 60.6180 60.9610 104.0520 104.7530
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 60485.13756734
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 56.549
HIERARCH ESO ISS PBL12 END 56.556
HIERARCH ESO ISS PBLA12 START 19.1
HIERARCH ESO ISS PBLA12 END 19.9
HIERARCH ESO ISS PBL13 START 102.328
HIERARCH ESO ISS PBL13 END 102.372
HIERARCH ESO ISS PBLA13 START 25.3
HIERARCH ESO ISS PBLA13 END 26.1
HIERARCH ESO ISS PBL14 START 128.702
HIERARCH ESO ISS PBL14 END 129.067
HIERARCH ESO ISS PBLA14 START 52.805
HIERARCH ESO ISS PBLA14 END 53.711
HIERARCH ESO ISS PBL23 START 46.503
HIERARCH ESO ISS PBL23 END 46.547
HIERARCH ESO ISS PBLA23 START 32.8
HIERARCH ESO ISS PBLA23 END 33.7
HIERARCH ESO ISS PBL24 START 87.455
HIERARCH ESO ISS PBL24 END 87.873
HIERARCH ESO ISS PBLA24 START 73.815
HIERARCH ESO ISS PBLA24 END 74.676
HIERARCH ESO ISS PBL34 START 60.618
HIERARCH ESO ISS PBL34 END 60.961
HIERARCH ESO ISS PBLA34 START 104.052
HIERARCH ESO ISS PBLA34 END 104.753
HIERARCH ESO ISS AMBI TAU0 START 0.002264
HIERARCH ESO ISS AMBI TAU0 END 0.002264
HIERARCH ESO ISS AMBI TEMP 10.14
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.64
HIERARCH ESO FT ROBJ NAME IRS16C
HIERARCH ESO FT ROBJ ALPHA 174540.1000
HIERARCH ESO FT ROBJ DELTA -290027.6541