Exposure
ID
GRAVI.2025-07-08T04:37:29.706_2
Header ID
GRAVI.2025-07-08T04:37:29.706
Date updated
2025-07-08 04:55:36 UTC+0000
Release date
2026-07-08 04:55:36 UTC+0000
UTC Start
2025-07-08 04:37:29.706
UTC End
2025-07-08 04:43:29.706
MJD Start
60864.19270493
MJD End
60864.196871596665
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.011446999999999999
Ambient temperature (°C)
15.77
Seeing (arcsec)
0.24
Observation
ID
68254
Category
science
Program ID
115.27WT.003
Program Title
THE GALACTIC CENTER WITH GRAVITY(+) - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
Program Type
GTO
PI / COI
EISENHAUER / GILLESSEN / GENZEL / OTT / MANG / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / GARCIA / PAUMARD / BOURDAROT / STURM / LUTZ / LE BOUQUIN / CAO / KREIDBERG / HOENIG / FOSCHI / PERRIN / CARDOSO / AIMAR / URSO / ABD EL DAYEM / ROUSSELET-PER
Target
ID
50720
Name
IRS16C
RA
266.4170791666666
DEC
-29.00768111111111
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 55.3250 55.1610 33.2000 33.7000
U1-U3 99.7000 99.3170 39.5000 40.0000
U1-U4 124.6530 123.7580 68.3570 68.9780
U2-U3 45.1350 44.9140 47.3000 47.9000
U2-U4 85.6030 84.9400 90.2260 91.0130
U3-U4 60.8550 60.5430 120.5400 121.4990
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27WT.003
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 60864.19270493
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME IRS16C
HIERARCH ESO INS SOBJ NAME SGRA
RA 266.416488
DEC -29.00738
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 55.325
HIERARCH ESO ISS PBL12 END 55.161
HIERARCH ESO ISS PBLA12 START 33.2
HIERARCH ESO ISS PBLA12 END 33.7
HIERARCH ESO ISS PBL13 START 99.7
HIERARCH ESO ISS PBL13 END 99.317
HIERARCH ESO ISS PBLA13 START 39.5
HIERARCH ESO ISS PBLA13 END 40.0
HIERARCH ESO ISS PBL14 START 124.653
HIERARCH ESO ISS PBL14 END 123.758
HIERARCH ESO ISS PBLA14 START 68.357
HIERARCH ESO ISS PBLA14 END 68.978
HIERARCH ESO ISS PBL23 START 45.135
HIERARCH ESO ISS PBL23 END 44.914
HIERARCH ESO ISS PBLA23 START 47.3
HIERARCH ESO ISS PBLA23 END 47.9
HIERARCH ESO ISS PBL24 START 85.603
HIERARCH ESO ISS PBL24 END 84.94
HIERARCH ESO ISS PBLA24 START 90.226
HIERARCH ESO ISS PBLA24 END 91.013
HIERARCH ESO ISS PBL34 START 60.855
HIERARCH ESO ISS PBL34 END 60.543
HIERARCH ESO ISS PBLA34 START 120.54
HIERARCH ESO ISS PBLA34 END 121.499
HIERARCH ESO ISS AMBI TAU0 START 0.010926
HIERARCH ESO ISS AMBI TAU0 END 0.011968
HIERARCH ESO ISS AMBI TEMP 15.77
HIERARCH ESO ISS AMBI FWHM START 0.26
HIERARCH ESO ISS AMBI FWHM END 0.22
HIERARCH ESO FT ROBJ NAME IRS16C
HIERARCH ESO FT ROBJ ALPHA 174540.0990
HIERARCH ESO FT ROBJ DELTA -290027.6520