Exposure
ID
GRAVI.2024-06-23T03:34:30.262_2
Header ID
GRAVI.2024-06-23T03:34:30.262
Date updated
2024-06-23 03:50:28 UTC+0000
Release date
2025-06-23 03:50:28 UTC+0000
UTC Start
2024-06-23 03:34:30.262
UTC End
2024-06-23 03:40:30.262
MJD Start
60484.14896136
MJD End
60484.1531280267
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.002264
Ambient temperature (°C)
10.82
Seeing (arcsec)
0.525
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 56.5590 56.5580 20.7000 21.5000
U1-U3 102.4040 102.4250 26.9000 27.7000
U1-U4 129.3650 129.6380 54.5360 55.4060
U2-U3 46.5810 46.6100 34.4000 35.3000
U2-U4 88.2210 88.5460 75.4660 76.3050
U3-U4 61.2490 61.5240 105.4090 106.1220
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 60484.14896136
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME IRS16C
HIERARCH ESO INS SOBJ NAME SGRA
RA 266.416842
DEC -29.00726
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 56.559
HIERARCH ESO ISS PBL12 END 56.558
HIERARCH ESO ISS PBLA12 START 20.7
HIERARCH ESO ISS PBLA12 END 21.5
HIERARCH ESO ISS PBL13 START 102.404
HIERARCH ESO ISS PBL13 END 102.425
HIERARCH ESO ISS PBLA13 START 26.9
HIERARCH ESO ISS PBLA13 END 27.7
HIERARCH ESO ISS PBL14 START 129.365
HIERARCH ESO ISS PBL14 END 129.638
HIERARCH ESO ISS PBLA14 START 54.536
HIERARCH ESO ISS PBLA14 END 55.406
HIERARCH ESO ISS PBL23 START 46.581
HIERARCH ESO ISS PBL23 END 46.61
HIERARCH ESO ISS PBLA23 START 34.4
HIERARCH ESO ISS PBLA23 END 35.3
HIERARCH ESO ISS PBL24 START 88.221
HIERARCH ESO ISS PBL24 END 88.546
HIERARCH ESO ISS PBLA24 START 75.466
HIERARCH ESO ISS PBLA24 END 76.305
HIERARCH ESO ISS PBL34 START 61.249
HIERARCH ESO ISS PBL34 END 61.524
HIERARCH ESO ISS PBLA34 START 105.409
HIERARCH ESO ISS PBLA34 END 106.122
HIERARCH ESO ISS AMBI TAU0 START 0.002264
HIERARCH ESO ISS AMBI TAU0 END 0.002264
HIERARCH ESO ISS AMBI TEMP 10.82
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.53
HIERARCH ESO FT ROBJ NAME IRS16C
HIERARCH ESO FT ROBJ ALPHA 174540.1000
HIERARCH ESO FT ROBJ DELTA -290027.6541