Exposure
ID
GRAVI.2025-07-07T03:51:13.059_2
Header ID
GRAVI.2025-07-07T03:51:13.059
Date updated
2025-07-07 04:05:55 UTC+0000
Release date
2026-07-07 04:05:54 UTC+0000
UTC Start
2025-07-07 03:51:13.059
UTC End
2025-07-07 03:57:13.059
MJD Start
60863.16056781
MJD End
60863.16473447667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0096055
Ambient temperature (°C)
14.36
Seeing (arcsec)
0.46499999999999997
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 56.2140 56.1360 28.6000 29.2000
U1-U3 101.7550 101.5780 35.0000 35.6000
U1-U4 129.3030 128.9330 63.1850 63.8850
U2-U3 46.3120 46.2120 42.7000 43.3000
U2-U4 88.9650 88.7150 84.2180 84.9830
U3-U4 62.3700 62.2740 113.7040 114.5240
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 60863.16056781
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME IRS16C
HIERARCH ESO INS SOBJ NAME SGRA
RA 266.416475
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 56.214
HIERARCH ESO ISS PBL12 END 56.136
HIERARCH ESO ISS PBLA12 START 28.6
HIERARCH ESO ISS PBLA12 END 29.2
HIERARCH ESO ISS PBL13 START 101.755
HIERARCH ESO ISS PBL13 END 101.578
HIERARCH ESO ISS PBLA13 START 35.0
HIERARCH ESO ISS PBLA13 END 35.6
HIERARCH ESO ISS PBL14 START 129.303
HIERARCH ESO ISS PBL14 END 128.933
HIERARCH ESO ISS PBLA14 START 63.185
HIERARCH ESO ISS PBLA14 END 63.885
HIERARCH ESO ISS PBL23 START 46.312
HIERARCH ESO ISS PBL23 END 46.212
HIERARCH ESO ISS PBLA23 START 42.7
HIERARCH ESO ISS PBLA23 END 43.3
HIERARCH ESO ISS PBL24 START 88.965
HIERARCH ESO ISS PBL24 END 88.715
HIERARCH ESO ISS PBLA24 START 84.218
HIERARCH ESO ISS PBLA24 END 84.983
HIERARCH ESO ISS PBL34 START 62.37
HIERARCH ESO ISS PBL34 END 62.274
HIERARCH ESO ISS PBLA34 START 113.704
HIERARCH ESO ISS PBLA34 END 114.524
HIERARCH ESO ISS AMBI TAU0 START 0.009023
HIERARCH ESO ISS AMBI TAU0 END 0.010188
HIERARCH ESO ISS AMBI TEMP 14.36
HIERARCH ESO ISS AMBI FWHM START 0.51
HIERARCH ESO ISS AMBI FWHM END 0.42
HIERARCH ESO FT ROBJ NAME IRS16C
HIERARCH ESO FT ROBJ ALPHA 174540.0990
HIERARCH ESO FT ROBJ DELTA -290027.6520