Exposure
ID
GRAVI.2025-07-08T00:06:05.015_2
Header ID
GRAVI.2025-07-08T00:06:05.015
Date updated
2025-07-08 00:20:35 UTC+0000
Release date
2025-07-08 00:06:05 UTC+0000
UTC Start
2025-07-08 00:06:05.015
UTC End
2025-07-08 00:12:05.015
MJD Start
60864.00422471
MJD End
60864.008391376665
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0071825
Ambient temperature (°C)
15.78
Seeing (arcsec)
0.585
Observation
ID
68251
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
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 56.2280 56.2290 0.0000 1.0000
U1-U3 100.6970 100.7390 4.7000 5.7000
U1-U4 114.4310 115.1510 27.6970 29.1430
U2-U3 44.8880 44.9480 10.5000 11.7000
U2-U4 69.7160 70.7660 49.6990 51.1890
U3-U4 44.9870 46.0400 88.7870 89.5880
Invalid fields
Key
PROJECTED_BASELINES
Header: validation messages
Message
Invalid value for 'HIERARCH ESO ISS PBLA12 START' : '0.0'
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 60864.00422471
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME IRS16C
HIERARCH ESO INS SOBJ NAME R2
RA 266.416192
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 56.228
HIERARCH ESO ISS PBL12 END 56.229
HIERARCH ESO ISS PBLA12 START 0.0
HIERARCH ESO ISS PBLA12 END 1.0
HIERARCH ESO ISS PBL13 START 100.697
HIERARCH ESO ISS PBL13 END 100.739
HIERARCH ESO ISS PBLA13 START 4.7
HIERARCH ESO ISS PBLA13 END 5.7
HIERARCH ESO ISS PBL14 START 114.431
HIERARCH ESO ISS PBL14 END 115.151
HIERARCH ESO ISS PBLA14 START 27.697
HIERARCH ESO ISS PBLA14 END 29.143
HIERARCH ESO ISS PBL23 START 44.888
HIERARCH ESO ISS PBL23 END 44.948
HIERARCH ESO ISS PBLA23 START 10.5
HIERARCH ESO ISS PBLA23 END 11.7
HIERARCH ESO ISS PBL24 START 69.716
HIERARCH ESO ISS PBL24 END 70.766
HIERARCH ESO ISS PBLA24 START 49.699
HIERARCH ESO ISS PBLA24 END 51.189
HIERARCH ESO ISS PBL34 START 44.987
HIERARCH ESO ISS PBL34 END 46.04
HIERARCH ESO ISS PBLA34 START 88.787
HIERARCH ESO ISS PBLA34 END 89.588
HIERARCH ESO ISS AMBI TAU0 START 0.007152
HIERARCH ESO ISS AMBI TAU0 END 0.007213
HIERARCH ESO ISS AMBI TEMP 15.78
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.57
HIERARCH ESO FT ROBJ NAME IRS16C
HIERARCH ESO FT ROBJ ALPHA 174540.0990
HIERARCH ESO FT ROBJ DELTA -290027.6520