Exposure
ID
GRAVI.2024-03-29T08:51:21.233_2
Header ID
GRAVI.2024-03-29T08:51:21.233
Date updated
2024-03-29 09:05:26 UTC+0000
Release date
2025-03-29 09:05:26 UTC+0000
UTC Start
2024-03-29 08:51:21.233
UTC End
2024-03-29 08:57:21.233
MJD Start
60398.36899575
MJD End
60398.3731624167
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.006484
Ambient temperature (°C)
13.11
Seeing (arcsec)
0.535
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 56.5350 56.5460 18.0000 18.8000
U1-U3 102.2530 102.3100 24.1000 25.0000
U1-U4 128.1310 128.5580 51.5320 52.4670
U2-U3 46.4310 46.4850 31.6000 32.5000
U2-U4 86.8070 87.2920 72.6110 73.4940
U3-U4 60.0920 60.4850 103.0970 103.7930
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 60398.36899575
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME IRS16C
HIERARCH ESO INS SOBJ NAME SGRA
RA 266.416809
DEC -29.00729
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 56.535
HIERARCH ESO ISS PBL12 END 56.546
HIERARCH ESO ISS PBLA12 START 18.0
HIERARCH ESO ISS PBLA12 END 18.8
HIERARCH ESO ISS PBL13 START 102.253
HIERARCH ESO ISS PBL13 END 102.31
HIERARCH ESO ISS PBLA13 START 24.1
HIERARCH ESO ISS PBLA13 END 25.0
HIERARCH ESO ISS PBL14 START 128.131
HIERARCH ESO ISS PBL14 END 128.558
HIERARCH ESO ISS PBLA14 START 51.532
HIERARCH ESO ISS PBLA14 END 52.467
HIERARCH ESO ISS PBL23 START 46.431
HIERARCH ESO ISS PBL23 END 46.485
HIERARCH ESO ISS PBLA23 START 31.6
HIERARCH ESO ISS PBLA23 END 32.5
HIERARCH ESO ISS PBL24 START 86.807
HIERARCH ESO ISS PBL24 END 87.292
HIERARCH ESO ISS PBLA24 START 72.611
HIERARCH ESO ISS PBLA24 END 73.494
HIERARCH ESO ISS PBL34 START 60.092
HIERARCH ESO ISS PBL34 END 60.485
HIERARCH ESO ISS PBLA34 START 103.097
HIERARCH ESO ISS PBLA34 END 103.793
HIERARCH ESO ISS AMBI TAU0 START 0.006484
HIERARCH ESO ISS AMBI TAU0 END 0.006484
HIERARCH ESO ISS AMBI TEMP 13.11
HIERARCH ESO ISS AMBI FWHM START 0.5
HIERARCH ESO ISS AMBI FWHM END 0.57
HIERARCH ESO FT ROBJ NAME IRS16C
HIERARCH ESO FT ROBJ ALPHA 174540.1000
HIERARCH ESO FT ROBJ DELTA -290027.6541