Exposure
ID
GRAVI.2025-07-08T02:28:35.378_2
Header ID
GRAVI.2025-07-08T02:28:35.378
Date updated
2025-07-08 02:45:37 UTC+0000
Release date
2026-07-08 02:45:37 UTC+0000
UTC Start
2025-07-08 02:28:35.378
UTC End
2025-07-08 02:34:35.378
MJD Start
60864.10318724
MJD End
60864.107353906664
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.006934
Ambient temperature (°C)
15.39
Seeing (arcsec)
0.615
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 56.5550 56.5590 19.7000 20.5000
U1-U3 102.3600 102.3970 25.9000 26.7000
U1-U4 128.9600 129.2940 53.4300 54.3240
U2-U3 46.5350 46.5740 33.4000 34.2000
U2-U4 87.7510 88.1370 74.4090 75.2630
U3-U4 60.8600 61.1800 104.5320 105.2380
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 60864.10318724
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME IRS16C
HIERARCH ESO INS SOBJ NAME SGRA
RA 266.416187
DEC -29.00743
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 56.555
HIERARCH ESO ISS PBL12 END 56.559
HIERARCH ESO ISS PBLA12 START 19.7
HIERARCH ESO ISS PBLA12 END 20.5
HIERARCH ESO ISS PBL13 START 102.36
HIERARCH ESO ISS PBL13 END 102.397
HIERARCH ESO ISS PBLA13 START 25.9
HIERARCH ESO ISS PBLA13 END 26.7
HIERARCH ESO ISS PBL14 START 128.96
HIERARCH ESO ISS PBL14 END 129.294
HIERARCH ESO ISS PBLA14 START 53.43
HIERARCH ESO ISS PBLA14 END 54.324
HIERARCH ESO ISS PBL23 START 46.535
HIERARCH ESO ISS PBL23 END 46.574
HIERARCH ESO ISS PBLA23 START 33.4
HIERARCH ESO ISS PBLA23 END 34.2
HIERARCH ESO ISS PBL24 START 87.751
HIERARCH ESO ISS PBL24 END 88.137
HIERARCH ESO ISS PBLA24 START 74.409
HIERARCH ESO ISS PBLA24 END 75.263
HIERARCH ESO ISS PBL34 START 60.86
HIERARCH ESO ISS PBL34 END 61.18
HIERARCH ESO ISS PBLA34 START 104.532
HIERARCH ESO ISS PBLA34 END 105.238
HIERARCH ESO ISS AMBI TAU0 START 0.006934
HIERARCH ESO ISS AMBI TAU0 END 0.006934
HIERARCH ESO ISS AMBI TEMP 15.39
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.6
HIERARCH ESO FT ROBJ NAME IRS16C
HIERARCH ESO FT ROBJ ALPHA 174540.0990
HIERARCH ESO FT ROBJ DELTA -290027.6520