Exposure
ID
GRAVI.2025-07-08T06:16:53.958_1
Header ID
GRAVI.2025-07-08T06:16:53.958
Date updated
2025-07-08 06:35:33 UTC+0000
Release date
2025-07-08 06:16:53 UTC+0000
UTC Start
2025-07-08 06:16:53.958
UTC End
2025-07-08 06:22:53.958
MJD Start
60864.26173563
MJD End
60864.26590229667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.009899
Ambient temperature (°C)
15.61
Seeing (arcsec)
0.265
Observation
ID
68400
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
50835
Name
R2
RA
266.416494
DEC
-29.00744
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
LOW-SPLIT
Instrument sub-mode
DUAL
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 51.2680 50.8850 39.5000 39.7000
U1-U3 90.3660 89.4970 45.6000 45.9000
U1-U4 103.1770 101.2290 77.2430 77.7880
U2-U3 39.7810 39.2870 53.6000 53.9000
U2-U4 70.0890 68.7390 103.8640 104.9360
U3-U4 54.1260 53.6130 138.2700 139.6830
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 60864.26173563
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME IRS16C
HIERARCH ESO INS SOBJ NAME R2
RA 266.416494
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 51.268
HIERARCH ESO ISS PBL12 END 50.885
HIERARCH ESO ISS PBLA12 START 39.5
HIERARCH ESO ISS PBLA12 END 39.7
HIERARCH ESO ISS PBL13 START 90.366
HIERARCH ESO ISS PBL13 END 89.497
HIERARCH ESO ISS PBLA13 START 45.6
HIERARCH ESO ISS PBLA13 END 45.9
HIERARCH ESO ISS PBL14 START 103.177
HIERARCH ESO ISS PBL14 END 101.229
HIERARCH ESO ISS PBLA14 START 77.243
HIERARCH ESO ISS PBLA14 END 77.788
HIERARCH ESO ISS PBL23 START 39.781
HIERARCH ESO ISS PBL23 END 39.287
HIERARCH ESO ISS PBLA23 START 53.6
HIERARCH ESO ISS PBLA23 END 53.9
HIERARCH ESO ISS PBL24 START 70.089
HIERARCH ESO ISS PBL24 END 68.739
HIERARCH ESO ISS PBLA24 START 103.864
HIERARCH ESO ISS PBLA24 END 104.936
HIERARCH ESO ISS PBL34 START 54.126
HIERARCH ESO ISS PBL34 END 53.613
HIERARCH ESO ISS PBLA34 START 138.27
HIERARCH ESO ISS PBLA34 END 139.683
HIERARCH ESO ISS AMBI TAU0 START 0.011914
HIERARCH ESO ISS AMBI TAU0 END 0.007884
HIERARCH ESO ISS AMBI TEMP 15.61
HIERARCH ESO ISS AMBI FWHM START 0.25
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