Exposure
ID
GRAVI.2025-05-14T04:15:44.741_1
Header ID
GRAVI.2025-05-14T04:15:44.741
Date updated
2025-05-14 06:24:44 UTC+0000
Release date
2025-05-14 04:15:44 UTC+0000
UTC Start
2025-05-14 04:15:44.741
UTC End
2025-05-14 04:21:44.741
MJD Start
60809.17760117
MJD End
60809.181767836664
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.00385
Ambient temperature (°C)
15.75
Seeing (arcsec)
1.06
Observation
ID
67388
Category
calibrator
Program ID
115.27WT.001
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
50121
Name
R2
RA
266.416848
DEC
-29.00646
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 56.2600 56.2730 4.9000 5.8000
U1-U3 100.9910 101.0670 10.0000 11.1000
U1-U4 118.3020 119.0680 34.8980 36.1980
U2-U3 45.2460 45.3270 16.5000 17.6000
U2-U4 75.0800 76.0730 56.9290 58.1890
U3-U4 50.1400 51.0410 92.7690 93.4950
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27WT.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,DUAL
MJD-OBS 60809.17760117
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME IRS16C
HIERARCH ESO INS SOBJ NAME R2
RA 266.416848
DEC -29.00646
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 56.26
HIERARCH ESO ISS PBL12 END 56.273
HIERARCH ESO ISS PBLA12 START 4.9
HIERARCH ESO ISS PBLA12 END 5.8
HIERARCH ESO ISS PBL13 START 100.991
HIERARCH ESO ISS PBL13 END 101.067
HIERARCH ESO ISS PBLA13 START 10.0
HIERARCH ESO ISS PBLA13 END 11.1
HIERARCH ESO ISS PBL14 START 118.302
HIERARCH ESO ISS PBL14 END 119.068
HIERARCH ESO ISS PBLA14 START 34.898
HIERARCH ESO ISS PBLA14 END 36.198
HIERARCH ESO ISS PBL23 START 45.246
HIERARCH ESO ISS PBL23 END 45.327
HIERARCH ESO ISS PBLA23 START 16.5
HIERARCH ESO ISS PBLA23 END 17.6
HIERARCH ESO ISS PBL24 START 75.08
HIERARCH ESO ISS PBL24 END 76.073
HIERARCH ESO ISS PBLA24 START 56.929
HIERARCH ESO ISS PBLA24 END 58.189
HIERARCH ESO ISS PBL34 START 50.14
HIERARCH ESO ISS PBL34 END 51.041
HIERARCH ESO ISS PBLA34 START 92.769
HIERARCH ESO ISS PBLA34 END 93.495
HIERARCH ESO ISS AMBI TAU0 START 0.004134
HIERARCH ESO ISS AMBI TAU0 END 0.003566
HIERARCH ESO ISS AMBI TEMP 15.75
HIERARCH ESO ISS AMBI FWHM START 1.03
HIERARCH ESO ISS AMBI FWHM END 1.09
HIERARCH ESO FT ROBJ NAME IRS16C
HIERARCH ESO FT ROBJ ALPHA 174540.099
HIERARCH ESO FT ROBJ DELTA -290027.653