Exposure
ID
GRAVI.2023-07-01T02:02:08.775_1
Header ID
GRAVI.2023-07-01T02:02:08.775
Date updated
2023-07-01 02:18:04 UTC+0000
Release date
2023-07-01 02:02:08 UTC+0000
UTC Start
2023-07-01 02:02:08.775
UTC End
2023-07-01 02:08:08.775
MJD Start
60126.08482379
MJD End
60126.0889904567
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.005969
Ambient temperature (°C)
19.33
Seeing (arcsec)
0.875
Observation
ID
56086
Category
calibrator
Program ID
111.24H1.003
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/ STRAUBMEIER/ BRANDNER/ ROUSSELET-PERRAUT/ PERRIN/ GARCIA/ ECKART/ DE ZEEUW/ WIDMANN/ PAUMARD/ HORROBIN/ VINCENT/ DRESCHER/ BOURDAROT/ CAO/ LUTZ/ STURM/ RIBEIRO
Target
ID
41537
Name
R2
RA
266.416858
DEC
-29.00732
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 56.4110 56.4330 12.4000 13.3000
U1-U3 101.7180 101.8110 18.2000 19.1000
U1-U4 124.3830 125.0450 44.8280 45.9190
U2-U3 45.9490 46.0330 25.3000 26.3000
U2-U4 82.5380 83.3030 66.3480 67.3640
U3-U4 56.6090 57.2400 98.5710 99.2610
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 111.24H1.003
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,DUAL
MJD-OBS 60126.08482379
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME IRS16C
HIERARCH ESO INS SOBJ NAME R2
RA 266.416858
DEC -29.00732
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 56.411
HIERARCH ESO ISS PBL12 END 56.433
HIERARCH ESO ISS PBLA12 START 12.4
HIERARCH ESO ISS PBLA12 END 13.3
HIERARCH ESO ISS PBL13 START 101.718
HIERARCH ESO ISS PBL13 END 101.811
HIERARCH ESO ISS PBLA13 START 18.2
HIERARCH ESO ISS PBLA13 END 19.1
HIERARCH ESO ISS PBL14 START 124.383
HIERARCH ESO ISS PBL14 END 125.045
HIERARCH ESO ISS PBLA14 START 44.828
HIERARCH ESO ISS PBLA14 END 45.919
HIERARCH ESO ISS PBL23 START 45.949
HIERARCH ESO ISS PBL23 END 46.033
HIERARCH ESO ISS PBLA23 START 25.3
HIERARCH ESO ISS PBLA23 END 26.3
HIERARCH ESO ISS PBL24 START 82.538
HIERARCH ESO ISS PBL24 END 83.303
HIERARCH ESO ISS PBLA24 START 66.348
HIERARCH ESO ISS PBLA24 END 67.364
HIERARCH ESO ISS PBL34 START 56.609
HIERARCH ESO ISS PBL34 END 57.24
HIERARCH ESO ISS PBLA34 START 98.571
HIERARCH ESO ISS PBLA34 END 99.261
HIERARCH ESO ISS AMBI TAU0 START 0.005646
HIERARCH ESO ISS AMBI TAU0 END 0.006292
HIERARCH ESO ISS AMBI TEMP 19.33
HIERARCH ESO ISS AMBI FWHM START 0.97
HIERARCH ESO ISS AMBI FWHM END 0.78
HIERARCH ESO FT ROBJ NAME IRS16C
HIERARCH ESO FT ROBJ ALPHA 174540.1060
HIERARCH ESO FT ROBJ DELTA -290027.5231