Exposure
ID
GRAVI.2024-04-30T07:55:50.049_2
Header ID
GRAVI.2024-04-30T07:55:50.049
Date updated
2024-04-30 08:10:43 UTC+0000
Release date
2025-04-30 08:10:43 UTC+0000
UTC Start
2024-04-30 07:55:50.049
UTC End
2024-04-30 08:01:50.049
MJD Start
60430.33044038
MJD End
60430.3346070467
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0040845
Ambient temperature (°C)
15.36
Seeing (arcsec)
0.445
Observation
ID
58934
Category
science
Program ID
113.268P.001
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 56.4120 56.3640 26.3000 27.0000
U1-U3 102.1920 102.0880 32.7000 33.4000
U1-U4 130.0810 129.9250 60.7200 61.4660
U2-U3 46.5470 46.4930 40.4000 41.1000
U2-U4 89.4130 89.3440 81.6050 82.3830
U3-U4 62.4590 62.4710 111.0220 111.8020
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.268P.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 60430.33044038
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME IRS16C
HIERARCH ESO INS SOBJ NAME SGRA
RA 266.41685
DEC -29.00736
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 56.412
HIERARCH ESO ISS PBL12 END 56.364
HIERARCH ESO ISS PBLA12 START 26.3
HIERARCH ESO ISS PBLA12 END 27.0
HIERARCH ESO ISS PBL13 START 102.192
HIERARCH ESO ISS PBL13 END 102.088
HIERARCH ESO ISS PBLA13 START 32.7
HIERARCH ESO ISS PBLA13 END 33.4
HIERARCH ESO ISS PBL14 START 130.081
HIERARCH ESO ISS PBL14 END 129.925
HIERARCH ESO ISS PBLA14 START 60.72
HIERARCH ESO ISS PBLA14 END 61.466
HIERARCH ESO ISS PBL23 START 46.547
HIERARCH ESO ISS PBL23 END 46.493
HIERARCH ESO ISS PBLA23 START 40.4
HIERARCH ESO ISS PBLA23 END 41.1
HIERARCH ESO ISS PBL24 START 89.413
HIERARCH ESO ISS PBL24 END 89.344
HIERARCH ESO ISS PBLA24 START 81.605
HIERARCH ESO ISS PBLA24 END 82.383
HIERARCH ESO ISS PBL34 START 62.459
HIERARCH ESO ISS PBL34 END 62.471
HIERARCH ESO ISS PBLA34 START 111.022
HIERARCH ESO ISS PBLA34 END 111.802
HIERARCH ESO ISS AMBI TAU0 START 0.005017
HIERARCH ESO ISS AMBI TAU0 END 0.003152
HIERARCH ESO ISS AMBI TEMP 15.36
HIERARCH ESO ISS AMBI FWHM START 0.42
HIERARCH ESO ISS AMBI FWHM END 0.47
HIERARCH ESO FT ROBJ NAME IRS16C
HIERARCH ESO FT ROBJ ALPHA 174540.1000
HIERARCH ESO FT ROBJ DELTA -290027.6541