Exposure
ID
GRAVI.2025-07-08T01:12:17.183_2
Header ID
GRAVI.2025-07-08T01:12:17.183
Date updated
2025-07-08 01:25:45 UTC+0000
Release date
2025-07-08 01:12:17 UTC+0000
UTC Start
2025-07-08 01:12:17.183
UTC End
2025-07-08 01:18:17.183
MJD Start
60864.05019888
MJD End
60864.05436554667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.007932
Ambient temperature (°C)
15.46
Seeing (arcsec)
0.505
Observation
ID
68251
Category
calibrator
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 56.3440 56.3650 9.5000 10.4000
U1-U3 101.4220 101.5140 15.1000 16.1000
U1-U4 122.1520 122.8750 41.2290 42.3900
U2-U3 45.6760 45.7630 22.0000 23.1000
U2-U4 79.9010 80.7660 62.9800 64.0690
U3-U4 54.3920 55.1270 96.3840 97.0750
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27WT.003
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,DUAL
MJD-OBS 60864.05019888
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME IRS16C
HIERARCH ESO INS SOBJ NAME R2
RA 266.41619
DEC -29.00744
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 56.344
HIERARCH ESO ISS PBL12 END 56.365
HIERARCH ESO ISS PBLA12 START 9.5
HIERARCH ESO ISS PBLA12 END 10.4
HIERARCH ESO ISS PBL13 START 101.422
HIERARCH ESO ISS PBL13 END 101.514
HIERARCH ESO ISS PBLA13 START 15.1
HIERARCH ESO ISS PBLA13 END 16.1
HIERARCH ESO ISS PBL14 START 122.152
HIERARCH ESO ISS PBL14 END 122.875
HIERARCH ESO ISS PBLA14 START 41.229
HIERARCH ESO ISS PBLA14 END 42.39
HIERARCH ESO ISS PBL23 START 45.676
HIERARCH ESO ISS PBL23 END 45.763
HIERARCH ESO ISS PBLA23 START 22.0
HIERARCH ESO ISS PBLA23 END 23.1
HIERARCH ESO ISS PBL24 START 79.901
HIERARCH ESO ISS PBL24 END 80.766
HIERARCH ESO ISS PBLA24 START 62.98
HIERARCH ESO ISS PBLA24 END 64.069
HIERARCH ESO ISS PBL34 START 54.392
HIERARCH ESO ISS PBL34 END 55.127
HIERARCH ESO ISS PBLA34 START 96.384
HIERARCH ESO ISS PBLA34 END 97.075
HIERARCH ESO ISS AMBI TAU0 START 0.008849
HIERARCH ESO ISS AMBI TAU0 END 0.007015
HIERARCH ESO ISS AMBI TEMP 15.46
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.49
HIERARCH ESO FT ROBJ NAME IRS16C
HIERARCH ESO FT ROBJ ALPHA 174540.0990
HIERARCH ESO FT ROBJ DELTA -290027.6520