Exposure
ID
GRAVI.2023-06-04T05:47:14.930_2
Header ID
GRAVI.2023-06-04T05:47:14.930
Date updated
2023-06-04 06:01:08 UTC+0000
Release date
2023-06-04 05:47:14 UTC+0000
UTC Start
2023-06-04 05:47:14.930
UTC End
2023-06-04 05:53:14.930
MJD Start
60099.24114502
MJD End
60099.2453116867
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.009095
Ambient temperature (°C)
13.95
Seeing (arcsec)
0.45
Observation
ID
55614
Category
calibrator
Program ID
111.24H1.002
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
41180
Name
IRS16C
RA
266.417108333333
DEC
-29.0076453055556
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 56.3660 56.3100 27.0000 27.6000
U1-U3 102.0940 101.9690 33.3000 34.0000
U1-U4 129.9350 129.7190 61.4260 62.1630
U2-U3 46.4960 46.4300 41.0000 41.7000
U2-U4 89.3490 89.2280 82.3410 83.1200
U3-U4 62.4710 62.4520 111.7590 112.5550
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 111.24H1.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,DUAL
MJD-OBS 60099.24114502
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME IRS16C
HIERARCH ESO INS SOBJ NAME R2
RA 266.416752
DEC -29.00711
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 56.366
HIERARCH ESO ISS PBL12 END 56.31
HIERARCH ESO ISS PBLA12 START 27.0
HIERARCH ESO ISS PBLA12 END 27.6
HIERARCH ESO ISS PBL13 START 102.094
HIERARCH ESO ISS PBL13 END 101.969
HIERARCH ESO ISS PBLA13 START 33.3
HIERARCH ESO ISS PBLA13 END 34.0
HIERARCH ESO ISS PBL14 START 129.935
HIERARCH ESO ISS PBL14 END 129.719
HIERARCH ESO ISS PBLA14 START 61.426
HIERARCH ESO ISS PBLA14 END 62.163
HIERARCH ESO ISS PBL23 START 46.496
HIERARCH ESO ISS PBL23 END 46.43
HIERARCH ESO ISS PBLA23 START 41.0
HIERARCH ESO ISS PBLA23 END 41.7
HIERARCH ESO ISS PBL24 START 89.349
HIERARCH ESO ISS PBL24 END 89.228
HIERARCH ESO ISS PBLA24 START 82.341
HIERARCH ESO ISS PBLA24 END 83.12
HIERARCH ESO ISS PBL34 START 62.471
HIERARCH ESO ISS PBL34 END 62.452
HIERARCH ESO ISS PBLA34 START 111.759
HIERARCH ESO ISS PBLA34 END 112.555
HIERARCH ESO ISS AMBI TAU0 START 0.01076
HIERARCH ESO ISS AMBI TAU0 END 0.00743
HIERARCH ESO ISS AMBI TEMP 13.95
HIERARCH ESO ISS AMBI FWHM START 0.41
HIERARCH ESO ISS AMBI FWHM END 0.49
HIERARCH ESO FT ROBJ NAME IRS16C
HIERARCH ESO FT ROBJ ALPHA 174540.1060
HIERARCH ESO FT ROBJ DELTA -290027.5231