Exposure
ID
GRAVI.2024-03-28T09:42:18.111_2
Header ID
GRAVI.2024-03-28T09:42:18.111
Date updated
2024-03-28 09:55:22 UTC+0000
Release date
2025-03-28 09:55:22 UTC+0000
UTC Start
2024-03-28 09:42:18.111
UTC End
2024-03-28 09:48:18.111
MJD Start
60397.40437628
MJD End
60397.4085429467
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.014902
Ambient temperature (°C)
13.16
Seeing (arcsec)
0.485
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 56.5260 56.5030 23.7000 24.5000
U1-U3 102.4080 102.3710 30.0000 30.8000
U1-U4 130.1430 130.2020 57.9170 58.7260
U2-U3 46.6400 46.6290 37.7000 38.5000
U2-U4 89.2190 89.3420 78.7650 79.5730
U3-U4 62.1360 62.2700 108.3100 109.0610
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 60397.40437628
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME IRS16C
HIERARCH ESO INS SOBJ NAME SGRA
RA 266.416909
DEC -29.00728
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 56.526
HIERARCH ESO ISS PBL12 END 56.503
HIERARCH ESO ISS PBLA12 START 23.7
HIERARCH ESO ISS PBLA12 END 24.5
HIERARCH ESO ISS PBL13 START 102.408
HIERARCH ESO ISS PBL13 END 102.371
HIERARCH ESO ISS PBLA13 START 30.0
HIERARCH ESO ISS PBLA13 END 30.8
HIERARCH ESO ISS PBL14 START 130.143
HIERARCH ESO ISS PBL14 END 130.202
HIERARCH ESO ISS PBLA14 START 57.917
HIERARCH ESO ISS PBLA14 END 58.726
HIERARCH ESO ISS PBL23 START 46.64
HIERARCH ESO ISS PBL23 END 46.629
HIERARCH ESO ISS PBLA23 START 37.7
HIERARCH ESO ISS PBLA23 END 38.5
HIERARCH ESO ISS PBL24 START 89.219
HIERARCH ESO ISS PBL24 END 89.342
HIERARCH ESO ISS PBLA24 START 78.765
HIERARCH ESO ISS PBLA24 END 79.573
HIERARCH ESO ISS PBL34 START 62.136
HIERARCH ESO ISS PBL34 END 62.27
HIERARCH ESO ISS PBLA34 START 108.31
HIERARCH ESO ISS PBLA34 END 109.061
HIERARCH ESO ISS AMBI TAU0 START 0.015042
HIERARCH ESO ISS AMBI TAU0 END 0.014762
HIERARCH ESO ISS AMBI TEMP 13.16
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.49
HIERARCH ESO FT ROBJ NAME IRS16C
HIERARCH ESO FT ROBJ ALPHA 174540.1000
HIERARCH ESO FT ROBJ DELTA -290027.6541