Exposure
ID
GRAVI.2024-07-25T00:08:24.494_1
Header ID
GRAVI.2024-07-25T00:08:24.494
Date updated
2024-07-25 00:15:35 UTC+0000
Release date
2025-07-25 00:15:35 UTC+0000
UTC Start
2024-07-25 00:08:24.494
UTC End
2024-07-25 00:10:24.494
MJD Start
60516.00583905
MJD End
60516.0072279389
Exposure time (s)
120.0
Validation level
1
Tau 0: Coherence time (s)
0.001593
Ambient temperature (°C)
13.4
Seeing (arcsec)
1.65
Observation
ID
60169
Category
science
Program ID
113.268P.004
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
44672
Name
IRS16NE
RA
266.417163
DEC
-29.00744
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-SPLIT
Instrument sub-mode
DUAL
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 56.3570 56.3640 10.1000 10.4000
U1-U3 101.4800 101.5110 15.7000 16.1000
U1-U4 122.6050 122.8500 41.9560 42.3490
U2-U3 45.7300 45.7600 22.7000 23.0000
U2-U4 80.4440 80.7360 63.6620 64.0310
U3-U4 54.8540 55.1010 96.8160 97.0510
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.268P.004
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 60516.00583905
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME IRS16C
HIERARCH ESO INS SOBJ NAME IRS16NE
RA 266.417163
DEC -29.00744
HIERARCH ESO INS SPEC RES MEDIUM
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 135.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 56.357
HIERARCH ESO ISS PBL12 END 56.364
HIERARCH ESO ISS PBLA12 START 10.1
HIERARCH ESO ISS PBLA12 END 10.4
HIERARCH ESO ISS PBL13 START 101.48
HIERARCH ESO ISS PBL13 END 101.511
HIERARCH ESO ISS PBLA13 START 15.7
HIERARCH ESO ISS PBLA13 END 16.1
HIERARCH ESO ISS PBL14 START 122.605
HIERARCH ESO ISS PBL14 END 122.85
HIERARCH ESO ISS PBLA14 START 41.956
HIERARCH ESO ISS PBLA14 END 42.349
HIERARCH ESO ISS PBL23 START 45.73
HIERARCH ESO ISS PBL23 END 45.76
HIERARCH ESO ISS PBLA23 START 22.7
HIERARCH ESO ISS PBLA23 END 23.0
HIERARCH ESO ISS PBL24 START 80.444
HIERARCH ESO ISS PBL24 END 80.736
HIERARCH ESO ISS PBLA24 START 63.662
HIERARCH ESO ISS PBLA24 END 64.031
HIERARCH ESO ISS PBL34 START 54.854
HIERARCH ESO ISS PBL34 END 55.101
HIERARCH ESO ISS PBLA34 START 96.816
HIERARCH ESO ISS PBLA34 END 97.051
HIERARCH ESO ISS AMBI TAU0 START 0.001593
HIERARCH ESO ISS AMBI TAU0 END 0.001593
HIERARCH ESO ISS AMBI TEMP 13.4
HIERARCH ESO ISS AMBI FWHM START 1.65
HIERARCH ESO ISS AMBI FWHM END 1.65
HIERARCH ESO FT ROBJ NAME IRS16C
HIERARCH ESO FT ROBJ ALPHA 174540.100
HIERARCH ESO FT ROBJ DELTA -290027.654