Exposure
ID
GRAVI.2024-03-26T09:22:15.709_2
Header ID
GRAVI.2024-03-26T09:22:15.709
Date updated
2024-03-26 09:40:26 UTC+0000
Release date
2025-03-26 09:40:26 UTC+0000
UTC Start
2024-03-26 09:22:15.709
UTC End
2024-03-26 09:28:15.709
MJD Start
60395.3904596
MJD End
60395.3946262667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.010414
Ambient temperature (°C)
14.62
Seeing (arcsec)
0.54
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 56.5590 56.5590 20.4000 21.2000
U1-U3 102.3940 102.4200 26.6000 27.4000
U1-U4 129.2680 129.5540 54.2480 55.1150
U2-U3 46.5700 46.6020 34.2000 35.0000
U2-U4 88.1060 88.4450 75.1900 76.0240
U3-U4 61.1540 61.4380 105.1770 105.8800
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 60395.3904596
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME IRS16C
HIERARCH ESO INS SOBJ NAME S4
RA 266.416828
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 56.559
HIERARCH ESO ISS PBL12 END 56.559
HIERARCH ESO ISS PBLA12 START 20.4
HIERARCH ESO ISS PBLA12 END 21.2
HIERARCH ESO ISS PBL13 START 102.394
HIERARCH ESO ISS PBL13 END 102.42
HIERARCH ESO ISS PBLA13 START 26.6
HIERARCH ESO ISS PBLA13 END 27.4
HIERARCH ESO ISS PBL14 START 129.268
HIERARCH ESO ISS PBL14 END 129.554
HIERARCH ESO ISS PBLA14 START 54.248
HIERARCH ESO ISS PBLA14 END 55.115
HIERARCH ESO ISS PBL23 START 46.57
HIERARCH ESO ISS PBL23 END 46.602
HIERARCH ESO ISS PBLA23 START 34.2
HIERARCH ESO ISS PBLA23 END 35.0
HIERARCH ESO ISS PBL24 START 88.106
HIERARCH ESO ISS PBL24 END 88.445
HIERARCH ESO ISS PBLA24 START 75.19
HIERARCH ESO ISS PBLA24 END 76.024
HIERARCH ESO ISS PBL34 START 61.154
HIERARCH ESO ISS PBL34 END 61.438
HIERARCH ESO ISS PBLA34 START 105.177
HIERARCH ESO ISS PBLA34 END 105.88
HIERARCH ESO ISS AMBI TAU0 START 0.010414
HIERARCH ESO ISS AMBI TAU0 END 0.010414
HIERARCH ESO ISS AMBI TEMP 14.62
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.54
HIERARCH ESO FT ROBJ NAME IRS16C
HIERARCH ESO FT ROBJ ALPHA 174540.1000
HIERARCH ESO FT ROBJ DELTA -290027.6541