Exposure
ID
GRAVI.2022-04-24T10:20:20.663_1
Header ID
GRAVI.2022-04-24T10:20:20.663
Date updated
2022-04-24 10:35:37 UTC+0000
Release date
2022-04-24 10:20:20 UTC+0000
UTC Start
2022-04-24 10:20:20.663
UTC End
2022-04-24 10:25:40.663
MJD Start
59693.43079471
MJD End
59693.4344984137
Exposure time (s)
320.0
Validation level
1
Tau 0: Coherence time (s)
0.001886
Ambient temperature (°C)
10.24
Seeing (arcsec)
1.215
Observation
ID
50593
Category
calibrator
Program ID
109.22ZA.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/ STRAUBMEIER/ ROUSSELET-PERRAUT/ BRANDNER/ GARCIA/ ECKART/ DE ZEEUW/ STADLER/ VON FELLENBERG/ WIDMANN/ PERRIN/ PAUMARD/ HORROBIN/ VINCENT/ HEIßEL/ DRESCHER/ BOURDAROT/ STRAUB/ CAO
Target
ID
37786
Name
R2
RA
266.416938
DEC
-29.00708
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 53.8240 53.5920 36.6000 37.0000
U1-U3 96.2170 95.6830 42.9000 43.3000
U1-U4 116.5120 115.2820 72.7260 73.2290
U2-U3 43.1230 42.8180 50.8000 51.2000
U2-U4 79.6040 78.7080 96.1940 96.9580
U3-U4 58.0910 57.6930 128.0910 129.0940
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 109.22ZA.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,DUAL
MJD-OBS 59693.43079471
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME IRS16C
HIERARCH ESO INS SOBJ NAME R2
RA 266.416938
DEC -29.00708
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 342.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 32
HIERARCH ESO ISS PBL12 START 53.824
HIERARCH ESO ISS PBL12 END 53.592
HIERARCH ESO ISS PBLA12 START 36.6
HIERARCH ESO ISS PBLA12 END 37.0
HIERARCH ESO ISS PBL13 START 96.217
HIERARCH ESO ISS PBL13 END 95.683
HIERARCH ESO ISS PBLA13 START 42.9
HIERARCH ESO ISS PBLA13 END 43.3
HIERARCH ESO ISS PBL14 START 116.512
HIERARCH ESO ISS PBL14 END 115.282
HIERARCH ESO ISS PBLA14 START 72.726
HIERARCH ESO ISS PBLA14 END 73.229
HIERARCH ESO ISS PBL23 START 43.123
HIERARCH ESO ISS PBL23 END 42.818
HIERARCH ESO ISS PBLA23 START 50.8
HIERARCH ESO ISS PBLA23 END 51.2
HIERARCH ESO ISS PBL24 START 79.604
HIERARCH ESO ISS PBL24 END 78.708
HIERARCH ESO ISS PBLA24 START 96.194
HIERARCH ESO ISS PBLA24 END 96.958
HIERARCH ESO ISS PBL34 START 58.091
HIERARCH ESO ISS PBL34 END 57.693
HIERARCH ESO ISS PBLA34 START 128.091
HIERARCH ESO ISS PBLA34 END 129.094
HIERARCH ESO ISS AMBI TAU0 START 0.001886
HIERARCH ESO ISS AMBI TAU0 END 0.001886
HIERARCH ESO ISS AMBI TEMP 10.24
HIERARCH ESO ISS AMBI FWHM START 1.28
HIERARCH ESO ISS AMBI FWHM END 1.15
HIERARCH ESO FT ROBJ NAME IRS16C
HIERARCH ESO FT ROBJ ALPHA 174540.1070
HIERARCH ESO FT ROBJ DELTA -290027.5310