Exposure
ID
GRAVI.2024-07-18T01:51:15.281_1
Header ID
GRAVI.2024-07-18T01:51:15.281
Date updated
2024-07-18 08:10:38 UTC+0000
Release date
2025-07-18 08:10:37 UTC+0000
UTC Start
2024-07-18 01:51:15.281
UTC End
2024-07-18 01:57:15.281
MJD Start
60509.0772602
MJD End
60509.0814268667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.00539
Ambient temperature (°C)
17.34
Seeing (arcsec)
0.57
Observation
ID
60146
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
44649
Name
SGRA
RA
266.416896
DEC
-29.00733
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
LOW-SPLIT
Instrument sub-mode
DUAL
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 56.5570 56.5600 20.1000 20.9000
U1-U3 102.3790 102.4100 26.3000 27.1000
U1-U4 129.1240 129.4360 53.8590 54.7470
U2-U3 46.5540 46.5890 33.8000 34.7000
U2-U4 87.9390 88.3040 74.8180 75.6690
U3-U4 61.0160 61.3190 104.8690 105.5800
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 60509.0772602
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME IRS16C
HIERARCH ESO INS SOBJ NAME SGRA
RA 266.416896
DEC -29.00733
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 56.557
HIERARCH ESO ISS PBL12 END 56.56
HIERARCH ESO ISS PBLA12 START 20.1
HIERARCH ESO ISS PBLA12 END 20.9
HIERARCH ESO ISS PBL13 START 102.379
HIERARCH ESO ISS PBL13 END 102.41
HIERARCH ESO ISS PBLA13 START 26.3
HIERARCH ESO ISS PBLA13 END 27.1
HIERARCH ESO ISS PBL14 START 129.124
HIERARCH ESO ISS PBL14 END 129.436
HIERARCH ESO ISS PBLA14 START 53.859
HIERARCH ESO ISS PBLA14 END 54.747
HIERARCH ESO ISS PBL23 START 46.554
HIERARCH ESO ISS PBL23 END 46.589
HIERARCH ESO ISS PBLA23 START 33.8
HIERARCH ESO ISS PBLA23 END 34.7
HIERARCH ESO ISS PBL24 START 87.939
HIERARCH ESO ISS PBL24 END 88.304
HIERARCH ESO ISS PBLA24 START 74.818
HIERARCH ESO ISS PBLA24 END 75.669
HIERARCH ESO ISS PBL34 START 61.016
HIERARCH ESO ISS PBL34 END 61.319
HIERARCH ESO ISS PBLA34 START 104.869
HIERARCH ESO ISS PBLA34 END 105.58
HIERARCH ESO ISS AMBI TAU0 START 0.00539
HIERARCH ESO ISS AMBI TAU0 END 0.00539
HIERARCH ESO ISS AMBI TEMP 17.34
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.57
HIERARCH ESO FT ROBJ NAME IRS16C
HIERARCH ESO FT ROBJ ALPHA 174540.1000
HIERARCH ESO FT ROBJ DELTA -290027.6541