Exposure
ID
GRAVI.2024-03-29T09:14:36.291_2
Header ID
GRAVI.2024-03-29T09:14:36.291
Date updated
2024-03-29 09:30:26 UTC+0000
Release date
2025-03-29 09:30:26 UTC+0000
UTC Start
2024-03-29 09:14:36.291
UTC End
2024-03-29 09:20:36.291
MJD Start
60398.38514226
MJD End
60398.3893089267
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.006484
Ambient temperature (°C)
13.0
Seeing (arcsec)
0.57
Observation
ID
58832
Category
science
Program ID
112.25CV.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/ WIDMANN/ DRESCHER/ RIBEIRO/ SADUN BORDONI/ STRAUBMEIER/ BRANDNER/ PERRIN/ ROUSSELET-PERRAUT/ GARCIA/ MANG/ PAUMARD/ ECKART/ VINCENT/ BOURDAROT/ LUTZ/ STURM/ CAO/ HORROBIN/ DE ZEEUW
Target
ID
43560
Name
IRS16C
RA
266.417083333333
DEC
-29.0076816944444
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 56.5600 56.5570 20.9000 21.7000
U1-U3 102.4120 102.4300 27.1000 27.9000
U1-U4 129.4570 129.7130 54.8060 55.6660
U2-U3 46.5910 46.6170 34.7000 35.5000
U2-U4 88.3290 88.6380 75.7250 76.5560
U3-U4 61.3400 61.6030 105.6260 106.3380
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 112.25CV.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 60398.38514226
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME IRS16C
HIERARCH ESO INS SOBJ NAME SGRA
RA 266.416809
DEC -29.00729
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 56.56
HIERARCH ESO ISS PBL12 END 56.557
HIERARCH ESO ISS PBLA12 START 20.9
HIERARCH ESO ISS PBLA12 END 21.7
HIERARCH ESO ISS PBL13 START 102.412
HIERARCH ESO ISS PBL13 END 102.43
HIERARCH ESO ISS PBLA13 START 27.1
HIERARCH ESO ISS PBLA13 END 27.9
HIERARCH ESO ISS PBL14 START 129.457
HIERARCH ESO ISS PBL14 END 129.713
HIERARCH ESO ISS PBLA14 START 54.806
HIERARCH ESO ISS PBLA14 END 55.666
HIERARCH ESO ISS PBL23 START 46.591
HIERARCH ESO ISS PBL23 END 46.617
HIERARCH ESO ISS PBLA23 START 34.7
HIERARCH ESO ISS PBLA23 END 35.5
HIERARCH ESO ISS PBL24 START 88.329
HIERARCH ESO ISS PBL24 END 88.638
HIERARCH ESO ISS PBLA24 START 75.725
HIERARCH ESO ISS PBLA24 END 76.556
HIERARCH ESO ISS PBL34 START 61.34
HIERARCH ESO ISS PBL34 END 61.603
HIERARCH ESO ISS PBLA34 START 105.626
HIERARCH ESO ISS PBLA34 END 106.338
HIERARCH ESO ISS AMBI TAU0 START 0.006484
HIERARCH ESO ISS AMBI TAU0 END 0.006484
HIERARCH ESO ISS AMBI TEMP 13.0
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.57
HIERARCH ESO FT ROBJ NAME IRS16C
HIERARCH ESO FT ROBJ ALPHA 174540.1000
HIERARCH ESO FT ROBJ DELTA -290027.6541