Exposure
ID
GRAVI.2025-07-08T05:07:23.782_2
Header ID
GRAVI.2025-07-08T05:07:23.782
Date updated
2025-07-08 05:25:30 UTC+0000
Release date
2026-07-08 05:25:30 UTC+0000
UTC Start
2025-07-08 05:07:23.782
UTC End
2025-07-08 05:13:23.782
MJD Start
60864.2134697
MJD End
60864.217636366666
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.010359
Ambient temperature (°C)
15.57
Seeing (arcsec)
0.28
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 54.4550 54.2280 35.5000 35.9000
U1-U3 97.6770 97.1530 41.8000 42.2000
U1-U4 119.9190 118.6960 71.1710 71.7600
U2-U3 43.9660 43.6640 49.6000 50.1000
U2-U4 82.1030 81.2040 93.9440 94.7780
U3-U4 59.2240 58.8130 125.1750 126.2480
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 60864.2134697
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME IRS16C
HIERARCH ESO INS SOBJ NAME SGRA
RA 266.416494
DEC -29.0074
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 54.455
HIERARCH ESO ISS PBL12 END 54.228
HIERARCH ESO ISS PBLA12 START 35.5
HIERARCH ESO ISS PBLA12 END 35.9
HIERARCH ESO ISS PBL13 START 97.677
HIERARCH ESO ISS PBL13 END 97.153
HIERARCH ESO ISS PBLA13 START 41.8
HIERARCH ESO ISS PBLA13 END 42.2
HIERARCH ESO ISS PBL14 START 119.919
HIERARCH ESO ISS PBL14 END 118.696
HIERARCH ESO ISS PBLA14 START 71.171
HIERARCH ESO ISS PBLA14 END 71.76
HIERARCH ESO ISS PBL23 START 43.966
HIERARCH ESO ISS PBL23 END 43.664
HIERARCH ESO ISS PBLA23 START 49.6
HIERARCH ESO ISS PBLA23 END 50.1
HIERARCH ESO ISS PBL24 START 82.103
HIERARCH ESO ISS PBL24 END 81.204
HIERARCH ESO ISS PBLA24 START 93.944
HIERARCH ESO ISS PBLA24 END 94.778
HIERARCH ESO ISS PBL34 START 59.224
HIERARCH ESO ISS PBL34 END 58.813
HIERARCH ESO ISS PBLA34 START 125.175
HIERARCH ESO ISS PBLA34 END 126.248
HIERARCH ESO ISS AMBI TAU0 START 0.010159
HIERARCH ESO ISS AMBI TAU0 END 0.010559
HIERARCH ESO ISS AMBI TEMP 15.57
HIERARCH ESO ISS AMBI FWHM START 0.28
HIERARCH ESO ISS AMBI FWHM END 0.28
HIERARCH ESO FT ROBJ NAME IRS16C
HIERARCH ESO FT ROBJ ALPHA 174540.0990
HIERARCH ESO FT ROBJ DELTA -290027.6520