Exposure
ID
GRAVI.2025-07-07T05:45:46.351_2
Header ID
GRAVI.2025-07-07T05:45:46.351
Date updated
2025-07-07 06:00:34 UTC+0000
Release date
2026-07-07 06:00:34 UTC+0000
UTC Start
2025-07-07 05:45:46.351
UTC End
2025-07-07 05:51:46.351
MJD Start
60863.2401198
MJD End
60863.24428646667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.00615
Ambient temperature (°C)
13.79
Seeing (arcsec)
0.51
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 53.0840 52.7830 37.7000 38.1000
U1-U3 94.5140 93.8240 44.0000 44.3000
U1-U4 112.5920 111.0100 74.2490 74.8060
U2-U3 42.1470 41.7520 51.9000 52.2000
U2-U4 76.7620 75.6240 98.5670 99.4850
U3-U4 56.8460 56.3610 131.2230 132.4440
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 60863.2401198
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME IRS16C
HIERARCH ESO INS SOBJ NAME SGRA
RA 266.416466
DEC -29.00751
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 53.084
HIERARCH ESO ISS PBL12 END 52.783
HIERARCH ESO ISS PBLA12 START 37.7
HIERARCH ESO ISS PBLA12 END 38.1
HIERARCH ESO ISS PBL13 START 94.514
HIERARCH ESO ISS PBL13 END 93.824
HIERARCH ESO ISS PBLA13 START 44.0
HIERARCH ESO ISS PBLA13 END 44.3
HIERARCH ESO ISS PBL14 START 112.592
HIERARCH ESO ISS PBL14 END 111.01
HIERARCH ESO ISS PBLA14 START 74.249
HIERARCH ESO ISS PBLA14 END 74.806
HIERARCH ESO ISS PBL23 START 42.147
HIERARCH ESO ISS PBL23 END 41.752
HIERARCH ESO ISS PBLA23 START 51.9
HIERARCH ESO ISS PBLA23 END 52.2
HIERARCH ESO ISS PBL24 START 76.762
HIERARCH ESO ISS PBL24 END 75.624
HIERARCH ESO ISS PBLA24 START 98.567
HIERARCH ESO ISS PBLA24 END 99.485
HIERARCH ESO ISS PBL34 START 56.846
HIERARCH ESO ISS PBL34 END 56.361
HIERARCH ESO ISS PBLA34 START 131.223
HIERARCH ESO ISS PBLA34 END 132.444
HIERARCH ESO ISS AMBI TAU0 START 0.006131
HIERARCH ESO ISS AMBI TAU0 END 0.006169
HIERARCH ESO ISS AMBI TEMP 13.79
HIERARCH ESO ISS AMBI FWHM START 0.5
HIERARCH ESO ISS AMBI FWHM END 0.52
HIERARCH ESO FT ROBJ NAME IRS16C
HIERARCH ESO FT ROBJ ALPHA 174540.0990
HIERARCH ESO FT ROBJ DELTA -290027.6520