Exposure
ID
GRAVI.2024-06-26T03:00:16.733_2
Header ID
GRAVI.2024-06-26T03:00:16.733
Date updated
2024-06-26 03:15:26 UTC+0000
Release date
2025-06-26 03:15:26 UTC+0000
UTC Start
2024-06-26 03:00:16.733
UTC End
2024-06-26 03:06:16.733
MJD Start
60487.12519367
MJD End
60487.1293603367
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.003414
Ambient temperature (°C)
11.4
Seeing (arcsec)
0.59
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 56.5320 56.5440 17.9000 18.7000
U1-U3 102.2410 102.3000 24.0000 24.8000
U1-U4 128.0490 128.4830 51.3610 52.2990
U2-U3 46.4210 46.4760 31.4000 32.3000
U2-U4 86.7140 87.2060 72.4500 73.3350
U3-U4 60.0160 60.4150 102.9720 103.6670
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 60487.12519367
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME IRS16C
HIERARCH ESO INS SOBJ NAME SGRA
RA 266.416811
DEC -29.00723
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 56.532
HIERARCH ESO ISS PBL12 END 56.544
HIERARCH ESO ISS PBLA12 START 17.9
HIERARCH ESO ISS PBLA12 END 18.7
HIERARCH ESO ISS PBL13 START 102.241
HIERARCH ESO ISS PBL13 END 102.3
HIERARCH ESO ISS PBLA13 START 24.0
HIERARCH ESO ISS PBLA13 END 24.8
HIERARCH ESO ISS PBL14 START 128.049
HIERARCH ESO ISS PBL14 END 128.483
HIERARCH ESO ISS PBLA14 START 51.361
HIERARCH ESO ISS PBLA14 END 52.299
HIERARCH ESO ISS PBL23 START 46.421
HIERARCH ESO ISS PBL23 END 46.476
HIERARCH ESO ISS PBLA23 START 31.4
HIERARCH ESO ISS PBLA23 END 32.3
HIERARCH ESO ISS PBL24 START 86.714
HIERARCH ESO ISS PBL24 END 87.206
HIERARCH ESO ISS PBLA24 START 72.45
HIERARCH ESO ISS PBLA24 END 73.335
HIERARCH ESO ISS PBL34 START 60.016
HIERARCH ESO ISS PBL34 END 60.415
HIERARCH ESO ISS PBLA34 START 102.972
HIERARCH ESO ISS PBLA34 END 103.667
HIERARCH ESO ISS AMBI TAU0 START 0.003243
HIERARCH ESO ISS AMBI TAU0 END 0.003585
HIERARCH ESO ISS AMBI TEMP 11.4
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.54
HIERARCH ESO FT ROBJ NAME IRS16C
HIERARCH ESO FT ROBJ ALPHA 174540.1000
HIERARCH ESO FT ROBJ DELTA -290027.6541