Exposure
ID
GRAVI.2024-06-24T02:49:26.745_2
Header ID
GRAVI.2024-06-24T02:49:26.745
Date updated
2024-06-24 03:05:28 UTC+0000
Release date
2025-06-24 03:05:28 UTC+0000
UTC Start
2024-06-24 02:49:26.745
UTC End
2024-06-24 02:55:26.745
MJD Start
60485.11767066
MJD End
60485.1218373267
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.002264
Ambient temperature (°C)
10.41
Seeing (arcsec)
0.605
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 56.4840 56.5030 15.4000 16.3000
U1-U3 102.0290 102.1080 21.4000 22.3000
U1-U4 126.5630 127.1110 48.5250 49.5250
U2-U3 46.2290 46.3000 28.7000 29.7000
U2-U4 85.0350 85.6560 69.7930 70.7280
U3-U4 58.6560 59.1590 100.9770 101.6640
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 60485.11767066
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 56.484
HIERARCH ESO ISS PBL12 END 56.503
HIERARCH ESO ISS PBLA12 START 15.4
HIERARCH ESO ISS PBLA12 END 16.3
HIERARCH ESO ISS PBL13 START 102.029
HIERARCH ESO ISS PBL13 END 102.108
HIERARCH ESO ISS PBLA13 START 21.4
HIERARCH ESO ISS PBLA13 END 22.3
HIERARCH ESO ISS PBL14 START 126.563
HIERARCH ESO ISS PBL14 END 127.111
HIERARCH ESO ISS PBLA14 START 48.525
HIERARCH ESO ISS PBLA14 END 49.525
HIERARCH ESO ISS PBL23 START 46.229
HIERARCH ESO ISS PBL23 END 46.3
HIERARCH ESO ISS PBLA23 START 28.7
HIERARCH ESO ISS PBLA23 END 29.7
HIERARCH ESO ISS PBL24 START 85.035
HIERARCH ESO ISS PBL24 END 85.656
HIERARCH ESO ISS PBLA24 START 69.793
HIERARCH ESO ISS PBLA24 END 70.728
HIERARCH ESO ISS PBL34 START 58.656
HIERARCH ESO ISS PBL34 END 59.159
HIERARCH ESO ISS PBLA34 START 100.977
HIERARCH ESO ISS PBLA34 END 101.664
HIERARCH ESO ISS AMBI TAU0 START 0.002264
HIERARCH ESO ISS AMBI TAU0 END 0.002264
HIERARCH ESO ISS AMBI TEMP 10.41
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.62
HIERARCH ESO FT ROBJ NAME IRS16C
HIERARCH ESO FT ROBJ ALPHA 174540.1000
HIERARCH ESO FT ROBJ DELTA -290027.6541