Exposure
ID
GRAVI.2024-05-29T06:57:10.600_2
Header ID
GRAVI.2024-05-29T06:57:10.600
Date updated
2024-05-29 07:15:26 UTC+0000
Release date
2025-05-29 07:15:26 UTC+0000
UTC Start
2024-05-29 06:57:10.600
UTC End
2024-05-29 07:03:10.600
MJD Start
60459.28970602
MJD End
60459.2938726867
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0045265
Ambient temperature (°C)
14.79
Seeing (arcsec)
0.48
Observation
ID
59423
Category
science
Program ID
113.268P.002
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 55.6940 55.5610 31.7000 32.3000
U1-U3 100.5590 100.2480 38.1000 38.7000
U1-U4 126.6500 125.9300 66.7100 67.3560
U2-U3 45.6300 45.4510 45.9000 46.5000
U2-U4 87.0750 86.5460 88.2160 88.9920
U3-U4 61.5440 61.2970 118.1540 119.0640
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.268P.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 60459.28970602
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME IRS16C
HIERARCH ESO INS SOBJ NAME SGRA
RA 266.416878
DEC -29.00732
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 55.694
HIERARCH ESO ISS PBL12 END 55.561
HIERARCH ESO ISS PBLA12 START 31.7
HIERARCH ESO ISS PBLA12 END 32.3
HIERARCH ESO ISS PBL13 START 100.559
HIERARCH ESO ISS PBL13 END 100.248
HIERARCH ESO ISS PBLA13 START 38.1
HIERARCH ESO ISS PBLA13 END 38.7
HIERARCH ESO ISS PBL14 START 126.65
HIERARCH ESO ISS PBL14 END 125.93
HIERARCH ESO ISS PBLA14 START 66.71
HIERARCH ESO ISS PBLA14 END 67.356
HIERARCH ESO ISS PBL23 START 45.63
HIERARCH ESO ISS PBL23 END 45.451
HIERARCH ESO ISS PBLA23 START 45.9
HIERARCH ESO ISS PBLA23 END 46.5
HIERARCH ESO ISS PBL24 START 87.075
HIERARCH ESO ISS PBL24 END 86.546
HIERARCH ESO ISS PBLA24 START 88.216
HIERARCH ESO ISS PBLA24 END 88.992
HIERARCH ESO ISS PBL34 START 61.544
HIERARCH ESO ISS PBL34 END 61.297
HIERARCH ESO ISS PBLA34 START 118.154
HIERARCH ESO ISS PBLA34 END 119.064
HIERARCH ESO ISS AMBI TAU0 START 0.004868
HIERARCH ESO ISS AMBI TAU0 END 0.004185
HIERARCH ESO ISS AMBI TEMP 14.79
HIERARCH ESO ISS AMBI FWHM START 0.47
HIERARCH ESO ISS AMBI FWHM END 0.49
HIERARCH ESO FT ROBJ NAME IRS16C
HIERARCH ESO FT ROBJ ALPHA 174540.1000
HIERARCH ESO FT ROBJ DELTA -290027.6541